Pioneer VSX-520-K Service Manual

ORDER NO.

RRV4043VSX-820-K

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-820-KVSX-520-KModelVSX-820-K VSX-520-K

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).TypeCUXCNSM CUXCNSM AC 120 V AC 120 V

Power Requirement

Remarks

For details, refer to "Important Check Points for good servicing". PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2010K-IZK MAR. 2010 Printed in Japan

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SAFETY INFORMATIONA

This service manual is intended for qualified service technicians ; it is not meant for the casual do-ityourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNINGB

This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65 NOTICE (FOR CANADIAN MODEL ONLY) Fuse symbols (fast operating fuse) and/or be of identical designation.

(slow operating fuse) on PCB indicate that replacement parts must

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REMARQUE (POUR MODLE CANADIEN SEULEMENT) Les symboles de fusible (fusible de type rapide) et/ou de remplacement doivent avoir la mme dsignation. (FOR USA MODEL ONLY)

(fusible de type lent) sur CCI indiquent que les pices

1. SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.

ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER.

LEAKAGE CURRENT CHECKMeasure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Plug the AC line cord of the appliance directly into a 120V AC 60 Hz outlet and turn the AC power switch on. Any current measured must not exceed 0.5 mA.

2. PRODUCT SAFETY NOTICEMany electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual. Electrical components having such features are identified by marking with a > on the schematics and on the parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current PIONEER Service Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER.

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Device under test Test all exposed metal surfaces

Reading should Leakage not be above current 0.5 mA tester

Also test with plug reversed (Using AC adapter plug as required)

Earth ground

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AC Leakage Test

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[Important Check Points for Good Servicing]In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures.

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1. Product safetyPlease conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual. 1 Use specified parts for repair. Use genuine parts. Be sure to use important parts for safety. 2 Do not perform modifications without proper instructions. Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as radio/TV interference and foreign noise. 3 Make sure the soldering of repaired locations is properly performed. When you solder while repairing, please be sure that there are no cold solder and other debris. Soldering should be finished with the proper quantity. (Refer to the example) 4 Make sure the screws are tightly fastened. Please be sure that all screws are fastened, and that there are no loose screws. 5 Make sure each connectors are correctly inserted. Please be sure that all connectors are inserted, and that there are no imperfect insertion. 6 Make sure the wiring cables are set to their original state. Please replace the wiring and cables to the original state after repairs. In addition, be sure that there are no pinched wires, etc. 7 Make sure screws and soldering scraps do not remain inside the product. Please check that neither solder debris nor screws remain inside the product. 8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord. Damaged power cords may lead to fire accidents, so please be sure that there are no damages. If you find a damaged power cord, please exchange it with a suitable one. 9 There should be no spark traces or similar marks on the power plug.D C B

When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure connections and suitable usage. Please exchange the power cord if necessary. a Safe environment should be secured during servicing. When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries. Please pay attention to your surroundings and repair safely.

2. AdjustmentsTo keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification. Adjustments should be performed in accordance with the procedures/instructions described in this manual.

3. Lubricants, Glues, and Replacement partsUse grease and adhesives that are equal to the specified substance. Make sure the proper amount is applied.

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4. CleaningFor parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper cleaning should be performed to restore their performances.

5. Shipping mode and Shipping screwsTo protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual.F

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CONTENTSA

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SAFETY INFORMATION ..........................................................................................................................................................2 1. SERVICE PRECAUTIONS ....................................................................................................................................................5 1.1 NOTES ON SOLDERING ...............................................................................................................................................5 1.2 CAUTION ........................................................................................................................................................................5 2. SPECIFICATIONS .................................................................................................................................................................6 2.1 SPECIFICATIONS...........................................................................................................................................................6 2.2 PANEL FACILITIES .........................................................................................................................................................8 3. BASIC ITEMS FOR SERVICE.............................................................................................................................................16 3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................16 3.2 PCB LOCATIONS .........................................................................................................................................................17 3.3 JIGS LIST......................................................................................................................................................................19 4. BLOCK DIAGRAM...............................................................................................................................................................20 4.1 OVERALL WIRING DIAGRAM......................................................................................................................................20 4.2 OVERALL BLOCK DIAGRAM .......................................................................................................................................22 4.3 POWER SUPPLY and MAIN UCOM BLOCK DIAGRAM ..............................................................................................24 5. DIAGNOSIS.........................................................................................................................................................................26 5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................26 5.2 ADAPTER ERROR MESSAGE.....................................................................................................................................42 5.3 DETECTION CIRCUIT..................................................................................................................................................43 6. SERVICE MODE .................................................................................................................................................................46 6.1 SERVICE MODE...........................................................................................................................................................46 7. DISASSEMBLY....................................................................................................................................................................49 8. EACH SETTING AND ADJUSTMENT ................................................................................................................................59 8.1 HOW TO UPDATE FIRMWARE ....................................................................................................................................59 8.2 IDLE CURRENT ADJUSTMENT ..................................................................................................................................62 9. EXPLODED VIEWS AND PARTS LIST ...............................................................................................................................64 9.1 PACKING SECTION......................................................................................................................................................64 9.2 EXTERIOR SECTION (VSX-820-K) .............................................................................................................................66 9.3 EXTERIOR SECTION (VSX-520-K) .............................................................................................................................70 10. SCHEMATIC DIAGRAM ....................................................................................................................................................74 10.1 INPUT ASSY...............................................................................................................................................................74 10.2 AMP ASSY..................................................................................................................................................................76 10.3 SPEAKER, HEADPHONE and MIC ASSYS...............................................................................................................78 10.4 PORTABLE, PT, HP_GUIDE, CNT1, CNT2, GUIDE_L and GUIDE_R ASSYS..........................................................79 10.5 VIDEO ASSY ..............................................................................................................................................................80 10.6 F-VIDEO, FRONT and FUNCTION ASSYS................................................................................................................82 10.7 MAIN and REG ASSYS ..............................................................................................................................................84 10.8 HDMI ASSY ................................................................................................................................................................86 10.9 DSP ASSY (1/2)..........................................................................................................................................................88 10.10 DSP ASSY (2/2)........................................................................................................................................................90 10.11 USB ASSY (VSX-820-K ONLY).................................................................................................................................92 10.12 BT ASSY ...................................................................................................................................................................94 11. PCB CONNECTION DIAGRAM ........................................................................................................................................95 11.1 INPUT ASSY...............................................................................................................................................................96 11.2 AMP ASSY..................................................................................................................................................................98 11.3 SPEAKER, HEADPHONE, MIC and PORTABLE ASSYS ........................................................................................100 11.4 PT, HP_GUIDE, CNT1, CNT2, GUIDE_L and GUIDE_R ASSYS ............................................................................102 11.5 VIDEO ASSY ............................................................................................................................................................104 11.6 F-VIDEO, FRONT and FNCTION ASSYS ................................................................................................................106 11.7 MAIN and REG ASSYS ............................................................................................................................................110 11.8 HDMI ASSY ..............................................................................................................................................................114 11.9 DSP ASSY ................................................................................................................................................................116 11.10 USB ASSY (VSX-820-K ONLY)...............................................................................................................................118 11.11 BT ASSY .................................................................................................................................................................120 12. PCB PARTS LIST ............................................................................................................................................................121

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1. SERVICE PRECAUTIONS1.1 NOTES ON SOLDERING For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering. Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 C. Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 C in general, although the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron. Do NOT use a soldering iron whose tip temperature cannot be controlled. Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden). The following lead-free solders are available as service parts: Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia.A

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1.2 CAUTIOND

Discharging For more detail, please refer to 7. DISASSEMBLY - 1. Discharging.

Notes on Ground Points Connection For more detail, please refer to 7. DISASSEMBLY - 2. Notes on Ground Points Connection.

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2. SPECIFICATIONS2.1 SPECIFICATIONS2.1.1 VSX-820-KA

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Accessories

AM loop antenna (E601016000010-IL)

FM wire antenna (E605010070001-IL)

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Microphone (for Auto MCACC setup) (M040000300200-IL)

iPod cable (L308102013010-IL)

Dry cell batteries (AAA size IEC R03) x2

Remote control (8300758300010-IL)

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2.1.2 VSX-520-K

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B

C

D

E

Accessories

F

AM loop antenna (E601016000010-IL)

FM wire antenna (E605010070001-IL)

Dry cell batteries (AAA size IEC R03) x2

Remote control (8300758600010-IL)

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2.2 PANEL FACILITIES2.2.1 VSX-820-KA

Front panel

B

C

D

E

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Display

A

B

C

D

E

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Remote control

B

C

D

E

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B

C

D

E

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2.2.2 VSX-520-K

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Front panel

B

C

D

E

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Display

A

B

C

D

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Remote control

B

C

D

E

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B

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3. BASIC ITEMS FOR SERVICE3.1 CHECK POINTS AFTER SERVICINGA

Items to be checked after servicing / VSX, SCTo keep the product quality after servicing, confirm recommended check points shown below. No.1

ProceduresConfirm whether the customer complain has been solved. If the customer complain occurs with the particular source, such as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for the operation check. Check the analog audio playback. (Make the analog connections with a DVD player.) Check the digital audio playback. (Make the digital connections with a DVD player.) Check surround playback. (Select Surround mode and check the multichannel operations via the DSP circuit.) Check the video outputs. (Connect with a DVD player.) Check the tuner (AM and FM) operations.

Check pointsThe customer complain must not be reappeared. Video, Audio and operations must be normal.

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Each channel audio and operations must be normal.

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Video and operations must be normal.

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Audio and operations must be normal.

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Check the sound from headphone output.

Sound must be normal, without noise.

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Check the appearance of the product.

No scratches or dirt on its appearance after receiving it for service.

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See the table below for the items to be checked regarding video and audio. Item to be checked regarding videoBlock noise Horizontal noise Flicker Disturbed image (video jumpiness) Too dark Too brightE

Item to be checked regarding audioDistortion Noise Volume too low Volume too high Volume fluctuating Sound interrupted

Mottled color

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3.2 PCB LOCATIONS3.2.1 VSX-820-KA

SPEAKER ASSY

C

V

BT ASSY

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CNT2 ASSY

VIDEO ASSY

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MAIN ASSY HP_GUIDE ASSY

Q H K

S HDMI ASSY T DSP ASSY I CNT1 ASSY A INPUT ASSY G PT ASSY R REG ASSY B AMP ASSY L GUIDE_R ASSY

B

GUIDE_L ASSY

HEADPHONE ASSY FUNCTION ASSY

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N F-VIDEO ASSY E MIC ASSY

C

FRONT ASSY

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USB ASSY

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NOTES:

-

Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

Mark No.NSP

Description

Part No.7025HK0916010-IL 7028069111010-IL 7028069112010-IL 7028069113010-IL 7028069114010-IL 7028069115010-IL 7028069116010-IL 7028069117010-IL 7028069118010-IL 7028069119010-IL 7025HK0916013-IL 7028069141010-IL 7025HK0916011-IL 7028069121010-IL 7028069122010-IL 7028069123010-IL

Mark No.NSP

Description

Part No.7025HK0916012-IL 7028069131010-IL 7025HK0916014-IL 7028069151010-IL 7025HK0916015-IL 7028069161010-IL 7028069162010-IL 7025HK0916018-IL 7028069191010-IL 7025HK0916016-IL 7028069171010-IL 7025HK0916017-IL 7028069181010-IL 7025HK0916019-IL 7028067523010-IL

LIST OF ASSEMBLIES1..MAIN ASSY 2..MAIN ASSY 2..PT ASSY 2..CNT2 ASSY 2..HEADPHONE ASSY 2..HP_GUIDE ASSY 2..MIC ASSY 2..GUIDE_L ASSY 2..GUIDE_R ASSY 2..CNT1 ASSY NSP 1..VIDEO ASSY 2..VIDEO ASSY 1..FRONT ASSY 2..FRONT ASSY 2..FUNCTION ASSY 2..F-VIDEO ASSY 1..INPUT ASSY 2..INPUT ASSY 1..SPEAKER ASSY 2..SPEAKER ASSY 1..DSP ASSY 2..DSP ASSY 2..REG ASSY 1..HDMI ASSY 2..HDMI ASSY 1..USB ASSY 2..USB ASSY 1..BT ASSY 2..BT ASSY 1..AMP ASSY 2..AMP ASSY

NSP

E

NSP

NSP

NSP

NSP

NSP

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NSP

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3.2.2 VSX-520-K

A

SPEAKER ASSY

C

V

BT ASSY

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CNT2 ASSY

VIDEO ASSY

M

B

MAIN ASSY HP_GUIDE ASSY

Q H K

S HDMI ASSY T DSP ASSY I CNT1 ASSY A INPUT ASSY G PT ASSY R REG ASSY B AMP ASSY L GUIDE_R ASSY

GUIDE_L ASSY

HEADPHONE ASSY

D FPORTABLE ASSY

C

FUNCTION ASSY

P

O

FRONT ASSY

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NOTES:

-

Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

Mark No.NSPE

Description

Part No.7025HK0915010-IL 7028069111060-IL 7028069112010-IL 7028069113010-IL 7028069114010-IL 7028069115010-IL 7028069117010-IL 7028069118010-IL 7028069119010-IL 702806911A010-IL 7025HK0915013-IL 7028069141040-IL 7025HK0915011-IL 7028069121020-IL 7028069122010-IL

Mark No.NSP

Description

Part No.7025HK0915012-IL 7028069131020-IL 7025HK0915014-IL 7028069151030-IL 7025HK0915015-IL 7028069161020-IL 7028069162010-IL 7025HK0915016-IL 7028069191020-IL 7025HK0916017-IL 7028069181010-IL 7025HK0916019-IL 7028067523010-IL

LIST OF ASSEMBLIES1..MAIN ASSY 2..MAIN ASSY 2..PT ASSY 2..CNT2 ASSY 2..HEADPHONE ASSY 2..HP_GUIDE ASSY 2..GUIDE_L ASSY 2..GUIDE_R ASSY 2..CNT1 ASSY 2..PORTABLE ASSY NSP 1..VIDEO ASSY 2..VIDEO ASSY 1..FRONT ASSY 2..FRONT ASSY 2..FUNCTION ASSY 1..INPUT ASSY 2..INPUT ASSY 1..SPEAKER ASSY 2..SPEAKER ASSY 1..DSP ASSY 2..DSP ASSY 2..REG ASSY 1..HDMI ASSY 2..HDMI ASSY 1..BT ASSY 2..BT ASSY 1..AMP ASSY 2..AMP ASSY

NSP

NSP

NSP

NSP

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NSP

NSP

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3.3 JIGS LISTJigs ListJig Name 10P extension jig cable 8P extension jig cable Board to board extension jig cable RS-232C update jig 10P to 8P FFC Part No. GGD1628 GGD1629 GGD1673 GGF1642 GGD1676 Remarks Diagnosis (AMP Assy INPUT Assy) Diagnosis (AMP Assy MAIN Assy) Diagnosis (DSP Assy MAIN Assy) Firmware update (RS-232C Rear panel)A

B

Lubricants and Glues List

Name Silicon grease Silicon adhesive

Part No. GEM1057 GYA1011 (KE40RTV-W)

Remarks Refer to 9.2 EXTERIOR SECTION (VSX-820-K) and 9.3 EXTERIOR SECTION (VSX-520-K). Refer to 9.2 EXTERIOR SECTION (VSX-820-K) and 9.3 EXTERIOR SECTION (VSX-520-K).

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4. BLOCK DIAGRAM4.1 OVERALL WIRING DIAGRAMA

VSX-820-K ONLY

NF-VIDEO ASSY (7028069123010-IL)CN701 1,2,3 PIN 4,5 PIN

MVIDEO ASSY (7028069141010-IL: VSX-820-K) (7028069141040-IL: VSX-520-K)CN1001 CN1002 CP122 CP123

B

CP110 CP804 CN807 CP117

QMAIN ASSY (7028069111010-IL: VSX-820-K) (7028069111060-IL: VSX-520-K)VS

CN803

CP118

C

CN806

CP120

CNT1 ASSY (7028069119010-IL)CN121B CP805

D

INPUT ASSY (7028069131010-IL: VSX-820-K) (7028069131020-IL: VSX-520-K)CN502

I

CN121A

A

CP121

GPT ASSY (7028069112010-IL)CN201 CN202 C

BT ASSY (7028069181010-IL)CP502

V

CP501

CN501

CP125 CP126

F

CN601

CP801

H

CP128 CP107

VSX-820-K ONLY CN106 CN104 CN103 CP301 CP109

E

CP802

HP_GUIDE ASSY (7028069115010-IL)VSX-820-K ONLY CN201 CN202 CP405 CP403 CP402

AC CORD OR INLET

CN707

EF

MIC ASSY (7028069116010-IL)VSX-520-K ONLY CN703

B

CP203

CN401

CP404

C(7028069151030-IL: VSX-520-K)

F

PORTABLE ASSY (702806911A010-IL)2

SPEAKER ASSY H AMP ASSY (7028069151010-IL: VSX-820-K) ( (7028067523010-IL)

201

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A

When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". - The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. : The power supply is shown with the marked box.-

CP111

CN702

SHDMI ASSY (7028069191010-IL: VSX-820-K) CP703 (7028069191020-IL: VSX-520-K)

J

CNT2 ASSY GUIDE_L ASSY (7028069113010-IL) (7028069117010-IL)B

K

CP112

CN701

CN703A

VSX-820-K ONLY

LCN200

X-820-K) X-520-K)

CP200

T T 1/2, T 2/2DSP ASSY (7028069161010-IL: VSX-820-K) (7028069161020-IL: VSX-520-K)CN205 UPGRADE

GUIDE_R ASSY (7028069118010-IL)

CP114

CN202

CP115

CN203

C

VSX-820-K ONLY CP105

CP116

CN204

CP105

CN207B

CN207A

RREG ASSY (7028069162010-IL)CP704 CN807 CN805D

UCN802

FPC101

OCP702

USB ASSY (7028069171010-IL)CP802 CP703

CP303 CP101 CP301 CP109 CP102

FRONT ASSY (7028069121010-IL: VSX-820-K) (7028069121020-IL: VSX-520-K)CN706

PFUNCTION ASSY (7028069122010-IL)POWER TRANSFORMER

E

AC CORD OR INLET

CN702

DVSX-820-K) (7028069114010-IL) VSX-520-K)VSX-820-K5 6 7 8

HEADPHONE ASSY

F

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4.2 OVERALL BLOCK DIAGRAMA

SBD (VSX-820-K ONLY) DVD(VSX-820-K) BD(VSX-520-K) TV/SAT(VSX-820-K) DVD(VSX-520-K) DVR/VCR(VSX-820-K) TV/SAT(VSX-520-K)

HDMI ASSY

U USB ASSYMAIN ASSY

73 HDMI OUT 76 67 71 69

BVSX-820-K ONLYF_AUX L

6559 63 61 79

86 84 82 72 75 66

VSX-820-K ONLYVSX-820-K ONLYF_AUX R

70 68 6458 62 60 78

85 83 81

QC

MAIN ASSY

D

E

T V

DSP ASSY

INPUT ASSY

EBT ASSYMAIN ASSY INPUT ASSY

MIC ASSY

VSX-820-K ONLY

FINPUT ASSY

PORTABLE ASSYVSX-520-K ONLY

F

INPUT ASSY

221 2

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5

6

7

8

VSX-820-K ONLY

OFRONT ASSYMAIN ASSY

A

VSX-520-K ONLY

B AMP ASSYMAIN ASSYB

A INPUT ASSY

VSX-820-K ONLY

CSPEAKER ASSY

C

D

GPT ASSY

VSX-820-K ONLY

E

VIDEO INPUT ASSY ASSY

N F-VIDEO ASSYVSX-820-K ONLY

D HEADPHONE ASSYThe > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

SPEAKER ASSY

F

M VIDEO ASSYVSX-820-K5 6 7

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4.3 POWER SUPPLY and MAIN UCOM BLOCK DIAGRAMA

Q MAIN ASSYS1(AMP B+/B-)

BS2(+12V,-12V)

MAIN TRANS

CS3(DSP, HDMI)

RREG ASSYAC CORDDS4(DIR/CODEC, HDMI, USB)

VSX-820-K ONLYS4(FLT)

E

SUB TRANS

F

241 2

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5

6

7

8

VSX-820-K ONLY INPUT ASSY

A

B

VSX-820-K ONLY

C

RREG ASSY

D

E

The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

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5. DIAGNOSIS5.1 DIAGNOSIS FLOWCHARTA

[1] DSP TROUBLESHOOTINGStep 0: Preliminary confirmationConfirm the following items before checking

Step 3: Regulator ICREG101, REG102 (Pin 3) (to chassis)

Do screws of COAX Jack securely tighten? OR connect GND wire of DSP JIG B'D to chassis. YesB

No

Tighten screws securely.

Is the voltage of around 3.3 V input? Yes

No Check the REG101, REG102 and MAIN Assy Note: REG101, REG102 is made of parallel connection.

To Step 1

REG101, REG102 (Pin 2) (to chassis)

Step 1: BtoB connector, wireCN200,CN202,CN203, CN204,CP105 BtoB connector, wire

Is the voltage of 1.2 V output? Yes To Step 4

No

Replace REG101 and REG102.

*The DSP IC CORE power of DSP Assy

C

Are the connectors securely inserted? Yes To Step 2

No Turn the power off and insert the connectors securely.

Step 4: X'tal*CP105 connectors doesn't connection in case of DSP JIG B'D use. IC109 (Pin 6, 7)

Is there a 24.576 MHz output? Yes

No Check the path to pins 6, 7 of IC109. Replace XTAL101.

Step 2: Regulator ICD

IC102 (Pin 17)

XMCK

REG103 (Pin 3)

(to chassis) Is there a 24.576 MHz input? Yes To Step 5 (to chassis) No Check the path to XTAL101.

Is the voltage of around 5 V input? Yes REG103 (Pin 2)

No Check the REG103 and MAIN Assy.

E

Is the voltage of 3.3 V output? Yes ZD200 cathode

No

Replace REG103.

*The I/O power of DSP Assy is OK.

Is the voltage of 2.5 V output? YesF

No Check the ZD200 2.4 VB and IC106.

To Step 3

*The IC106 power of DSP Assy

261 2

VSX-820-K3 4

5

6

7

8

Step 5: DIRCheck that the S/PDIF signal is output. Check that changes by pulling out and inserting the digital input lines. IC110 (Pins 3, 5) OPTICAL (Pin 3: OPT2, Pin 5: OPT1) IC109 (Pin 15) DIR_BCK (Bit clock)

A

Can No Check the path to OUTPUT PIN of observe the JACK105, JACK106. digital signal ? (0 V 3.3 V) Yes IC109 (Pins 61, 63) OPTICAL (Pin 61: OPT2, Pin 63: OPT1) Can observe the digital signal ? Yes

Is there a bit clock output? Yes

No

Replace IC109.B

(0 V 3.3 V)

No

Check the path to pins 4, 6 of IC110 or replace IC110.

SwitchIC106 (Pin 4) DAI_MCK (Master clock)

(0 V 3.3 V) COAX

IC109 (Pin 67) Can observe the digital signal ? Yes

Is there a master clock output? Yes IC106 (Pin 7)

No (0 V 2.5 V) DAI_LRCK (LR clock)C

No

Check the path to pins 10-13 of IC110 or replace IC110.

(0 V 3.3 V) Is there a LR clock output? Yes IC106 (Pin 9) DAI_BCK (Bit clock) No (0 V 2.5 V)

VSX-820-K ONLY Check that it changes in the Playback and Pause modes of the USB (iPod). IC109 (Pin 71) From USB Assy

Can No observe the Check the path to CP105 connector. digital signal ? No (0 V 3.3 V) Yes Check the USB Assy. Check that the data and clock signals are output. IC109 (Pin 10) DIR_MCK (Master clock)

Is there a bit clock output? Yes

No (0 V 2.5 V)D

Is the Is there No No voltage of PDN a master clock IC109-pin 31 output? 3.3 V? (0 V 3.3 V) Check the MAIN Assy. Yes IC109 (Pin 16) DIR_LRCK (LR clock)

Is the voltage of IC106-pin 1 0 V? Yes

No Check the path between IC106-pin 1 and MAIN Assy. *IC106 Pin 1 0 V : DIR 3.3 V : HDMIE

Replace IC106.

Is there a LR clock output? Yes

No

Replace IC109.

To Step 6

(0 V 3.3 V) DIR_SDTO (Data)

IC109 (Pin 14)

Is there a data output? Yes

No

Replace IC109.F

(0 V 3.3 V)

VSX-820-K5 6 7 8

27

1

2

3

4

A

Step 6: DSP output (digital)Digital output of each CH when inputting the digital signal with audio. IC109 (Pin 18) DSP_BCK (Bit clock)

Is there a bit clock input? Yes

No (0 V 3.3 V) DSP_LRCK (LR clock)

IC109 (Pin 19)B

Is there a LR clock output? Yes

No (0 V 3.3 V) Front L/R data

IC109 (Pin 28)

Is there a data input?C

No (0 V 3.3 V)

Yes IC109 (Pin 27) Surround L/R data

Is there a data input? Yes IC109 (Pin 26)

No (0 V 3.3 V) Center/LFE data

D

Is there a data input? Yes IC109 (Pin 25)

No (0 V 3.3 V) Surround back L/R data

Is there a data input? Yes

No (0 V 3.3 V) Check the path between IC102 and data & address lines. SDRAM (IC100), FLASH ROM (IC101)

E

To Step 7

F

281 2

VSX-820-K3 4

5

6

7

8

Step 7: Codec output (analog)Analog output of each CH when inputting the digital signal with audio.

A

IC109 (Pin 49)

Front R out

Analog output of each CH when inputting the digital signal (- dB (no signal)). IC109 (Pin 49) Front R out

Is there a audio signal output? Yes IC109 (Pin 47)

No

Replace IC109.

Front L out

Is the output 2.5 V fixing? Yes

No

Replace IC109.B


No

Replace IC109.

IC109 (Pin 47)

Front L out

Surround R out


No

Replace IC109.


No

Replace IC109.

IC109 (Pin 45)

Surround R out

Is the output 2.5 V fixing? Surround L out Yes

No

Replace IC109.

C


No

Replace IC109.

IC109 (Pin 43)

Surround L out

Is the output 2.5 V fixing? Center out Yes

No

Replace IC109.


No

Replace IC109.

IC109 (Pin 41)

Center out

D

LFE out


No

Replace IC109.

Is there a audio signal output? Yes

No

Replace IC109.

IC109 (Pin 39)

LFE out

Is the output 2.5 V fixing? Yes End

No

Replace IC109.E

F

VSX-820-K5 6 7 8

29

1

2

3

4

A

[2] HDMI TROUBLESHOOTING1. Causes for noncompletion of HDMI authentication between the source equipment and this unit (the HDMI indicator is unlit or flashes)

HDMI Simple DiagnosisCauses for no display or sound from the monitorOKB

Replace the HDMI cable. NG Connect the source equipment (player) to the Sink equipment (monitor) directly. NG OK Replace the Player. OK

Replace the HDMI cable.

Repare the Receiver.

Repare the Player.

C

NG OK Replace the Monitor. Repare the Monitor.

D

HDMI TroubleshootingStep 0: Preliminary confirmationConfirm the following items before checking

Step 1: Connect the HDMI equipmentSource equipment: Connect a DVD player to BD or DVD or TV or DVR.

Do screws of COAX jack securely tighten? YesE

No


Sink equipment: Connect a TV to HDMI OUT.

To Step 1

POWER ONTurn on the power of the Receiver and equipments which was connected with HDMI.

Function switch (BD or DVD or TV or DVR)Switch the function that HDMI was assigned. Factory shipments setting: For VSX-520-K For VSX-820-K HDMI 1: BD HDMI 1: BD HDMI 2: DVD HDMI 2: DVD HDMI 3: TV/SAT HDMI 3: TV/SAT HDMI 4: DVR/VCR To Step 2

F

301 2

VSX-820-K3 4

5

6

7

8

Step 2: Power supplyCN701 (Pin 1) SUB_ON IC704 (Pin 3) Is the voltage 0 to 3.3 V? Yes CN701 (Pin 9) SUB MICOM 3.3V No Diagnose the MAIN Assy. Is the voltage 3.3 V? Yes IC704 (Pin 2) Is the voltage 3.3 V? Yes CN701 (Pin 12) HDMI_5V No Diagnose the MAIN Assy. Is the voltage 1.8 V? Yes No Is IC704 abnormally hot? Yes The output and GND may be short-circuited. Check the path between them. No Replace IC704. HDMI 1.8V No Check the parts and patterns in the path. HDMI 3.3V

A

B

Is the voltage 5 V? Yes

No

Diagnose the MAIN Assy.

IC701 (Pin 3)

HDMI 3.3V

C

CN701 (Pins 13, 14) HDMI_3.3V Is the voltage 3.3 V? Yes IC701 (Pin 2) HDMI 1.2V No Check the parts and patterns in the path.

Is the voltage 3.3 V? Yes Q711 (collector)

No

Diagnose the MAIN Assy.

SUB MICOM 3.3V

Is the voltage 3.3 V? Yes

No

Is Q711 base voltage 2.6 V? Yes Check the parts and patterns in the path. Replace Q711, IC706, etc.

No

Is the voltage 1.2 V? Yes

No

Is IC701 abnormally hot? Yes

No Replace IC701.

D

The output and GND may be short-circuited. Check the path between them.

To Step 3

Is Q714 No Replace Q714. collector voltage 0 V? (base is 3.3 V) Yes Check the parts and patterns in the path Q711, Q714, etc.

E

F

VSX-820-K5 6 7 8

31

1

2

3

4

A

Step 3: DiagnosisEach data lines confirmation checks it after standby OFF/ON. CN701 (Pin 5) SUB_RESET IC703 (Pin 21) Is the voltage 0 to 3.3 V? Yes No Diagnose the MAIN Assy. Is the voltage 0 to 3.3 V? Yes SUB_PDN IC702 (Pin 25) Is the voltage 0 to 3.3 V? Yes CN701 (Pin 3) MAIN_IRQ No Diagnose the MAIN Assy. Is there a data 0 to 3.3 V? Yes To Step 4 Diagnose the MAIN Assy. No Check the parts and patterns in the path of pin 89 of IC706. No Check the parts and patterns in the path of pin 87 of IC706. HR_RST

B

CN701 (Pin 4)

C

Is there a data input? (0 to 3.3 V) Yes CN701 (Pin 2)

No

SUB_IRQ

Step 4: X'TALIC706 (Pin 15)

Is there a data output? (0 to 3.3 V) Yes CN701 (Pin 8)D

No

Check the parts and patterns in the path of IC706.

Is there a 12 MHz output? Yes IC706 (Pin 13)

No

Replace IC706 or X702.

CSCK_MAIN

Is there a data input? (0 to 3.3 V) Yes CN701 (Pin 7)

No

Diagnose the MAIN Assy. Is there a 12 MHz output? No Check the path to pin13 of IC706. Replace IC706.

SCDO_MAIN

Yes IC703 (Pin 5)

Is there a data input? (0 to 3.3 V)E

No

Diagnose the MAIN Assy. Is there a 27 MHz output? No Replace IC703 or X701.

Yes CN701 (Pin 6) SCDI_MAIN

Yes IC703 (Pin 4)

Is there a data output? (0 to 3.3 V) Yes

No

Check the parts and patterns in the path of IC706. Is there a 27 MHz output? Yes No Check the path to pin4 of IC703. Replace IC703.

F

To Step 5

321 2

VSX-820-K3 4

5

6

7

8

Step 5: IN/OUTPUT Diagnosis (VSX-820-K)* When connected the equipment to IN1(BD); JACK701 (Pin 18) +5V_R3

Step 5: IN/OUTPUT Diagnosis (VSX-520-K)* When connected the equipment to IN1(BD); JACK703 (Pin 18) +5V_R3

A


No Check the JACK705. If JACK705 is failure, replace JACK705.



* When connected the equipment to IN2(DVD); +5V_R2

* When connected the equipment to IN2(DVD); +5V_R2B

JACK703 (Pin 18)

JACK704 (Pin 18)





* When connected the equipment to IN3(TV/SAT); +5V_R1

* When connected the equipment to IN3(TV/SAT); +5V_R1

JACK704 (Pin 18)

JACK705 (Pin 18)


No

Check the JACK704. If JACK704 is failure, replace JACK704.

Is the voltage 5 V? Yes To Step 6

No

Check the JACK705. If JACK705 is failure, replace JACK705.C

* When connected the equipment to IN4(DVR/VCR); +5V_R0

JACK705 (Pin 18)

Is the voltage 5 V? Yes To Step 6

No

Check the JACK705. If JACK705 is failure, replace JACK705.

D

E

F

VSX-820-K5 6 7 8

33

1

2

3

4

A

Step 6: Hot plug detect (VSX-820-K)JACK702 (Pin 19) HPD_SINK

Step 6: Hot plug detect (VSX-520-K)JACK702 (Pin 19) HPD_SINK

Is the voltage 5 V?


Is the voltage 5 V? Yes JACK703 (Pin 19) Is the voltage 5 V when selecting IN1? Yes


Yes * When connected the equipment to IN1 (BD); JACK701 (Pin 19) HPD3B

* When connected the equipment to IN1 (BD); HPD2

Is the voltage 5 V when selecting IN1? Yes

No

Check the JACK701 and IC703. If JACK701 or IC703 is failure, replace JACK701 or IC703.

No


* When connected the equipment to IN2 (DVD); JACK703 (Pin 19) HPD2 Is the voltage 5 V when selecting IN2?C

* When connected the equipment to IN2 (DVD); JACK704 (Pin 19) HPD1 Is the voltage 5 V when selecting IN2?

No


No


Yes * When connected the equipment to IN3 (TV/SAT); JACK704 (Pin 19) HPD1 Is the voltage 5 V when selecting IN3?

Yes * When connected the equipment to IN3 (TV/SAT); JACK705 (Pin 19) HPD0 Is the voltage 5 V when selecting IN3? Yes To Step 7

No


No


Yes * When connected the equipment to IN4 (DVR/VCR); JACK705 (Pin 19) HPD0D

Is the voltage 5 V when selecting IN4? Yes To Step 7

No


E

F

341 2

VSX-820-K3 4

5

6

7

8

Step 7: SDA /SCL (VSX-820-K)IC702 (Pin 47) Does a signal output in constant period (0 to 5 V) ? Yes IC702 (Pin 46) Does a clock output in constant period (0 to 5 V) ? Yes IC702 (Pin 49) SDA (HDMI OUT) IC703 (Pin 39) No Check the JACK702 and IC702. If JACK702 or IC702 is failure, replace JACK702 or IC702. SCL2 (HDMI IN2 (DVD))

A

SCL (HDMI OUT)

Is there a same No Check the IC702 and JACK703. signal as IC702-pin 48 If IC702 or JACK703 is failure, when selecting replace IC702 or JACK703. IN2? (0 to 5 V) Yes * When connected the equipment to IN3 (TV/SAT):B

No Check the JACK702 and IC702. If JACK702 or IC702 is failure, replace JACK702 or IC702.

IC703 (Pin 36)

SDA1 (HDMI IN3 (TV/SAT))

SDA_SINK

Is there a same No Check the IC702 and JACK704. signal as IC702-pin 49 If IC702 or JACK704 is failure, when selecting replace IC702 or JACK704. IN3? (0 to 5 V) Yes IC703 (Pin 35) SCL1 (HDMI IN3 (TV/SAT))C

Is Check the IC702 and IC703. there a same No If IC702 or IC703 is failure, signal as IC703-pin 24 (0 to 3.3V) replace IC702 or IC703. ? Yes IC702 (Pin 48) SCL_SINK

Is there a same No Check the IC702 and JACK704. signal as IC702-pin 48 If IC702 or JACK704 is failure, when selecting replace IC702 or JACK704. IN3? (0 to 5 V) Yes * When connected the equipment to IN4 (DVR/VCR): IC703 (Pin 32) SDA0 (HDMI IN4 (DVR/VCR))

Is Check the IC702 and IC703. there a same No If IC702 or IC703 is failure, signal as IC702-pin 23 (0 to 3.3V) replace IC702 or IC703. ? Yes * When connected the equipment to IN1(BD); IC703 (Pin 44) SDA3 (HDMI IN1(BD))

Is there a same No Check the IC702 and JACK701. signal as IC702-pin 49 If IC702 or JACK701 is failure, when selecting replace IC702 or JACK701. IN1? (0 to 5 V) Yes IC703 (Pin 43) SCL3 (HDMI IN1(BD))

Is there a same No Check the IC702 and JACK705. signal as IC702-pin 49 If IC702 or JACK705 is failure, when selecting replace IC702 or JACK705. IN4? (0 to 5 V) Yes IC703 (Pin 31) SCL0 (HDMI IN4 (DVR/VCR))

D

Is there a same No Check the IC702 and JACK701. signal as IC702-pin 48 If IC702 or JACK701 is failure, when selecting replace IC702 or JACK701. IN1? (0 to 5 V) Yes * When connected the equipment to IN2 (DVD): IC703 (Pin 40) Is there a same signal as IC702-pin 49 when selecting IN2? Yes SDA2 (HDMI IN2 (DVD))

Is there a same No Check the IC702 and JACK705. signal as IC702-pin 48 If IC702 or JACK705 is failure, when selecting replace IC702 or JACK705. IN4? (0 to 5 V) Yes To Step 8

E

No Check the IC702 and JACK703. If IC702 or JACK703 is failure, replace IC702 or JACK703.

F

VSX-820-K5 6 7 8

35

1

2

3

4

A

Step 7: SDA /SCL (VSX-520-K)IC702 (Pin 47) Does a signal output in constant period (0 to 5 V) ? Yes IC702 (Pin 46) SDA (HDMI OUT) IC703 (Pin 35) No Check the JACK702 and IC702. If JACK702 or IC702 is failure, replace JACK702 or IC702. SCL1 (HDMI IN2 (DVD))

SCL (HDMI OUT)

Is there a same No Check the IC702 and JACK704. signal as IC702-pin 48 If IC702 or JACK704 is failure, when selecting replace IC702 or JACK704. IN2? (0 to 5 V) Yes * When connected the equipment to IN3 (TV/SAT):

B

Does a clock output in constant period (0 to 5 V) ? Yes IC702 (Pin 49)

No Check the JACK702 and IC702. If JACK702 or IC702 is failure, replace JACK702 or IC702.

IC703 (Pin 32)

SDA0 (HDMI IN3 (TV/SAT))

SDA_SINK

Is there a same No Check the IC702 and JACK705. signal as IC702-pin 49 If IC702 or JACK705 is failure, when selecting replace IC702 or JACK705. IN3? (0 to 5 V) Yes IC703 (Pin 31) SCL0 (HDMI IN3 (TV/SAT))

C

Is Check the IC702 and IC703. there a same No If IC702 or IC703 is failure, signal as IC703-pin 24 (0 to 3.3V) replace IC702 or IC703. ? Yes IC702 (Pin 48) SCL_SINK

Is Check the IC702 and IC703. there a same No If IC702 or IC703 is failure, signal as IC702-pin 23 (0 to 3.3V) replace IC702 or IC703. ? Yes * When connected the equipment to IN1 (BD): IC703 (Pin 40)D

Is there a same No Check the IC702 and JACK705. signal as IC702-pin 48 If IC702 or JACK705 is failure, when selecting replace IC702 or JACK705. IN3? (0 to 5 V) Yes To Step 8

SDA2 (HDMI IN1 (BD))

Is there a same signal as IC702-pin 49 when selecting IN1? Yes IC703 (Pin 39)

No Check the IC702 and JACK703. If IC702 or JACK703 is failure, replace IC702 or JACK703.

Step 8: TMDSIC702 (Pins 30,31,33,34,36,37,39,40) TMDS OUTPUT

SCL2 (HDMI IN1 (BD))

E

Is there a same No Check the IC702 and JACK703. signal as IC702-pin 48 If IC702 or JACK703 is failure, when selecting replace IC702 or JACK703. IN1? (0 to 5 V) Yes * When connected the equipment to IN2 (DVD): IC703 (Pin 36) SDA1 (HDMI IN2 (DVD))

Are there signals(approx. 0.5 Vp-p) in all lines? Yes End

No

Check the IC702 or IC703. If IC702 or IC703 is failure, replace IC702 or IC703.

Is there a same No Check the IC702 and JACK704. signal as IC702-pin 49 If IC702 or JACK704 is failure, when selecting replace IC702 or JACK704. IN2? (0 to 5 V) YesF

361 2

VSX-820-K3 4

5

6

7

8

[3] USB iPod TROUBLESHOOTING (VSX-820-K ONLY)iPod Error MessageWhen the abnormality occurred, the error messages are indicated. Key Sequence Change Error 1 Communication Error When the communication is not possible normally. [Procedure] Disconnect a connector once, then connect a connector surely again after the main menu of the iPod was displayed. Nevertheless, reset the iPod when the iPod does not operate normally. Error 2 Generation Error (in the Type 1 operation only) When the non-support model for the iPod Mode Type 1 was connected. When the non-support function will be executed. When a version of the iPod software is old. [Procedure] Change the iPod Mode to Type2. Update the iPod software to the newest version.i P o d i Po d / U SB E r r o r 1

A

OSD Display

FL Display

I / U

ERR1B

i P o d i Po d / U SB E r r o r 2

I / U

ERR2

C

Error 3 Loading Error When there is no response from the iPod. [Procedure] The power is shut off once, then the unit back on. Reset the iPod. Update the iPod software to the newest version.

i P o d

i Po d / U SB

E r r o r 3

I / U

ERR3

Error 4 OverHeat Error

i P o d

Di Po d / U SB E r r o r 4

I / U

ERR4

No Track No Music Track Cautuion When a track does not exist in the selected category [Procedure] Select another category.

i P o d

N o

T r a c k

NO

TRACK

E

F

VSX-820-K5 6 7 8

37

1

2

3

4

A

iPod TroubleshootingStep 0: Preliminary confirmationConfirm the following items before checking. REG1 (pin 2) Do screws of COAX jack securely tighten ? Yes No Tighten screws securely. Is the voltage 1.8 V output? Yes No Is REG1 abnormally hot? Yes No 1.8 V output

B

To STEP 1

Replace REG1.

The output and GND may be short-circuited. Check the path between them.

Step 1: Power supplyCN807 (pins 1, 3) 5 V inputC

IC805 (pin 5)

5 V input

Is the voltage 5V? Yes

No

Is there any loose connection CP105 of MAIN Assy? Yes

No

Is the voltage 5 V input? Yes

No

Is pin 4 (EN) of IC805 Low? Yes

No

Check the MAIN Assy.

Is pin 3 (OC) of IC805 high? Yes

No

To STEP 1 REG2 (pin 3) (to chassis)

Replace IC805.

D

Is the voltage of 5 V input? Yes REG2 (pin 2) Is the voltage 3.3 V output? Yes

No

Check the patterns in the path.

Check the parts and patterns in the path (JACK801).

3.3 V output (to chassis) IC805 (pin 1) No Is REG2 abnormally hot? Yes No Is the voltage 5 V output? Yes The output and GND may be short-circuited. Check the path between them. To STEP 2 No Check the parts and patterns in the path of JACK801. USB Bus power

Replace REG2.

E

REG1 (pin 3)

5 V input

Is the voltage 5V?F

No


Yes

381 2

VSX-820-K3 4

5

6

7

8

Step 2: Operation of USB Media control ICIC801 (pins 54,55) XIN/XOUT

A

Is there a 12 MHz output? Yes

No

Is CP802 pins 1, 2 (RESET, RDY) high? Yes

No

Check CP105, CN802 of FRONT and MAIN Assy. Yes

No

Check the path to MAIN Assy.

Check the parts and patterns in the path. Replace XTAL1, etc. CP802 USB_RX, TX (Pins 4, 3)

B

Do USB_RX and USB_TX communication with main micom? Yes

No

USB_RX and USB_TX should be high during operation. Check the pattern in the path of the FRONT and MAIN Assys.

C

JACK801 (pins 2,3) D+/D-

D+ and D- should have waveform during normal condition. Check the pattern in the path of IC801, etc.

Fig. D+

Fig. D-

Are there the waveforms like figure? No

Yes

Operation of IC801 is OK. To STEP 3 X: 1 S/div, Y: 2 V/div Initial communication [SDCLK] X: 1 S/div, Y: 2 V/div

D

IC801 (pin 44) -> IC803 (pin 38)

After turning the power on and several seconds later, does SDCLK change 12 MHz to 80 MHz?

No

DATA and ADDRESS lines between SDRAM (IC803), FLASH ROM (IC802) and IC801 are may not be connected.

Yes Operation of IC801 is OK. To STEP 3E

F

VSX-820-K5 6 7 8

39

1

2

3

4

A

Step 3: Operation of iPod (Authentication process)IC804 (pins 12, 13) SCL, SDA (I2C between IC801 and IC804)

Do SCL and SDA communicate? YesB

No

When SCL and SDA are normal operation = High (3.3 V), No connect iPod, and communicate it about 10 seconds later (authentication starts). And communicate it about 60 seconds later (authentication is complete).

Does RESET_AUTH (pin 4) reset it? High after the reset Yes Replace IC804.

No Check the path between IC801 (pin 120).

Operation of IC804 is OK. To STEP 4

C

Step 4 Audio Out checkCN805 (pin 1) S/PDIF output

Is there a S/PDIF signal ? Yes

No

Check the path between IC801 (pin 105) Yes Check the parts and pattern of CN805 and IC801.

No

Replace IC801.

D

Refer to the [1] DSP TROUBLESHOOTING.

E

F

401 2

VSX-820-K3 4

5

6

7

8

[4] BT (BlueTooth) TROUBLESHOOTINGStep 0: Preliminary confirmationConfirm the following items before checking. CN500 (pin 17) 5 V input

A

Do screws of Plate_Screw securely tighten ? Yes To STEP 1

No


Is the voltage 5 V? Yes To STEP 3

No


B

Step 1: BT_DETCP501 (pin 2) BT_DET

Step 3: BT_DETCP501 (pin 2) BT_DET

Is the voltage 0 V? Yes To STEP 2

No

Check the patterns in the path and MAIN Assy.

Is the voltage 0.7 V to 12 V ? Yes To STEP 4

No

Check the patterns in the path and MAIN Assy.C

Step 2: Power supplyCP501 (pin 4) 5 V input

Is the voltage 5V? Yes

No

Is there any loose connection CN501 of MAIN Assy? Yes To STEP 2

No

Step 4: CommunicaionCP501 (pins 6,7) BT_RXD, BT_TXD

Check the patterns inthe path and MAIN Assy.

IC500 (pin 1)

(to chassis)

Do BT_RXD and BT_TXD communicate with the main UCOM? Yes

No

BT_RXD and BT_TXD should be high during operation. Check the patterns in the path and MAIN Assy.

D

Is the voltage of 5 V input? Yes IC500 (pin 6) Is the voltage 5 V output? Yes

No


To STEP 5

5 V output (to chassis) Is IC500-pin 3 (EN) 3.3 V? 3.3 V

Step 5: Audio Out checkCP502 (pins 1,4) 0V Check the patterns in the path and replace IC500. Is there a audio signal? Yes Check the INPUT Assy. NoE

No

Check the parts in the path.

Is 3.3 V Q500-base (BT_ON/OFF/CE) 0 V? Check the patterns 0V in the path and replace Q500. Check the MAIN Assy and CP501 (8P).

F

VSX-820-K5 6 7 8

41

1

2

3

4

5.2 ADAPTER ERROR MESSAGEA

Functional NameAdapter port overcurrent detection

OutlineWhen the BT adapter is inserted in Adapter port, turn off the power of the Adapter port forcibly when it detects an overcurrent. And display ERROR state in FL.

Basic OperationFront Key Sequence ChangeWhen the overcurrent is detected

Character Display1 2 3 4 5 6 7 8 1 2

Time (sec.)

B

Icon Display LED Display (FL)

ADP*1

ERR

The display continues until the power is turned off.

Check it after turning the power once off then back on again, and it becomes the normal operation if normal.

*1 Return the "ADP ERR" display to the normal display if you change it into other FUNCTION only in the APAPTER PORT FUNCTION. Also display "ADP ERR" if the APAPTER PORT FUNCTION is ERROR state.C

Explain Operation DetailFor detection method Confirm a detection port at intervals of 20 msec to 50 msec (*2), and judge it as an overcurrent when you detected an error consecutively three times. *2 It is assumed that it is fixed value of the 20 msec to 50 msec degree.

D

E

F

421 2

VSX-820-K3 4

5

6

7

8

5.3 DETECTION CIRCUIT[1] DC Protection Circuit DiagramA

MAIN ASSY

Q

B

C

G

PT ASSY

D

C

SPEAKER ASSY

E

AMP ASSY

F

B

VSX-820-K5 6 7 8

43

1

2

3

4

A

[2] Overload Protection Circuit Diagram

B

C

D

E

F

441 2

B

AMP ASSY

G

PT ASSY

Q

MAIN ASSY

VSX-820-K3 4

GPT ASSY

5

C231

C232

R235

C110

C113

R236

[3] Power DC Protection Circuit Diagram

R220 22k

R219 47k

C211

C225

C222

5

QMAIN ASSY

IC114 KIA7805API +5V R237

6

6-5V IC102 KIA7905PI HDMI_3.3V R218 22k Q203 KTC107S

VSX-820-KVSX-820-K ONLYE D C

7

7 B A

Q106 KTB778

R105

IC111 KIA78R33API

8

8

45

F

1

2

3

4

6. SERVICE MODE6.1 SERVICE MODEA

[1] Display mode for numbers of protection detections[Purpose]The numbers of detections for various protection processes are displayed.

[How to enter/exit]During Standby mode, simultaneously press and hold the [PRESET ] and [STANDBY/ON] keys for 2 seconds to enter this mode. The display will return to the normal indication when no key operation is performed for 5 seconds.B

[Basic operations]Key Operation FL Display Time (sec.) Description of Indications

(STANDBY state) [PRESET ] + [STANDBY/ON] (Initial display) [ENTER key] *2 [ENTER key] [ENTER key] (Initial display) Counter *2 Counter 5 (-> normal) *1 Number of abnormal-temperature error detections 5 (-> normal) *1 Number of OVERLOAD error detections

*2 Counter

5 (-> normal) *1

Number of DC error detections

C

*1 5 (-> normal) denotes that the display will return to the normal indication when no key operation is performed for 5 seconds. *2 Variable range: 0-255D

E

F

461 2

VSX-820-K3 4

5

6

7

8

[2] Reset mode for numbers of protection detections[Purpose]For clearing all the counts of protection detections. (This mode resets the counts of protection detections.)

A

[How to enter/exit]During Standby mode, simultaneously press and hold the [STANDARD SURROUND] and [STANDBY/ON] keys for 10 seconds to enter this mode. The display will return to the normal indication when no key operation is performed for 5 seconds.B

[Basic operations]Key Operation FL Display Time (sec.) Description of Indications

(STANDBY state) [STANDARD SURROUND] + [STANDBY/ON] (press and hold the keys for 10 seconds.) [ENTER key] (Counter Clear end) 5 (-> normal) *1

5 (-> normal) *1

C

(Normal display) *2

usually

*1 5 (-> normal) denotes that the display will return to the normal indication when no key operation is performed for 5 seconds. *2 Indication when the BD function is selected

D

[Detailed explanations]1. When the procedures for Reset mode for numbers of protection detections are completed, all the counters will be reset to 000. 2. Prohibitions: The protection detection counts cannot be cleared (reset to 000) with the MEMORY CLEAR process. They can only be cleared when the procedures of Reset mode are completed.

E

F

VSX-820-K5 6 7 8

47

1

2

3

4

A

[3] The units operation when a error is detected[Purpose] The units operation when a DC/OVER/TEMP error is detected is described here. How to cancel the status after detection of a DC error is described here, because no key input will be accepted after a DC error detection.

[Basic operations] 3.1 DC (AMP is abnormality) error detectionKey OperationB

FL Display

Time (sec.)usually

Description of IndicationsNormal display

(Normal display) (DC detection) (Auto) (RECEIVER POWER OFF) *1, *2

3.2 OVERLOAD (overcurrent) error detectionKey OperationC

FL Display

Time (sec.)usually


(Normal display) (OVERLOAD detection) (Auto) (RECEIVER POWER OFF) *1

3.3 TEMP (AMP overheat) error detectionKey Operation(Normal display)D

FL Display

Time (sec.)usually


(TEMP detection) (Auto) (RECEIVER POWER OFF) *1

*1 The time required for the unit to be shut off after an error is detected depends on the circuit configuration. (However, 3 seconds after DC is internally detected, the unit will shut itself off.) *2 If the unit is automatically shut off after a DC error is detected, no key input will be accepted afterward. (The power will not be turned ON.) To turn it on again, see 3.4 How to cancel the status after detection of a DC error below. A key input will not be inhibited after an OVERLOAD/TEMP error is detected. (The unit can be turned ON.)E

3.4 How to cancel the status after detection of the DC errorKey Operation(STANDBY state) [ADVANCED SURROUND] + [STANDBY/ON] (press and hold the keys for 2 seconds.) (Normal display) usually Normal display

FL Display

Time (sec.)

Description of Indications

F

[Detailed explanations] Simultaneously holding the [ADVANCD SURROUND] and [STANDBY/ON] keys on thefront panel pressed for 2 seconds will cancel Key Input Inhibition mode after a DC error detection and turn the unit ON.481 2

VSX-820-K3 4

5

6

7

8

7. DISASSEMBLYNote: (1) Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures described here are common. (2) For performing the diagnosis shown below, the following jigs for service is required: 10P extension jig cable (GGD1628) 8P extension jig cable (GGD1629) Board to board extension jig cable (GGD1673)A

1. Discharging[1] MAIN Assy Capacitor (C179, C180)[Procedures] (1) Unplug the power cord. (2) Disconnect the 8P CONNECTOR that connects the CN202 of the AMP Assy and CP107 of the MAIN Assy from the CP107. (3) Connect CP107 B+ (pins 5 and 6) and B- (pins 7 and 8, respectively) terminals, using resistor leads with 47 - 100 ohms (2 W or higher), for discharging. Discharging time: 30 - 60 seconds, depending on the level of resistance. (4) Check that the voltage between the B+ and GND terminals, as well as that between the B- and GND terminals, is less than 1 V, using a tester. Be sure to connect the GND terminal of the tester to the chassis. If the voltage is still 1 V or higher, repeat Step (3).

B

C

C180 MAIN Assy

C179

B+ B

47 - 100 ohms (2 W or higher)

CP107D

[2] FL-30 V Capacitor[Procedures] (1) Unplug the power cord. (2) Connect CP704 -30 V (pins 1 and 2) of the FRONT Assy and GND (pins 3 and 4, respectively), using resistor leads with 47-100 ohms (2 W or higher), for discharging. Discharging time: 5 - 10 seconds, depending on the level of resistance. (3) Check that the voltage between the -30 V and GND terminals is less than 1 V, using a tester. Be sure to connect the GND terminal of the tester to the chassis. If the voltage is still 1 V or higher, repeat Step (2).47 - 100 ohms (2 W or higher)

E

FRONT AssyF

VSX-820-K5 6 7 8

49

1

2

3

4

A

2. Notes on Ground Points Connection

[Note]During repair, before checking the MAIN Assy, etc., with the rear chassis removed, be sure to connect the GND terminal of the main capacitor to the chassis back (TUNER PACK chassis), as shown below, then connect the power cord. Without grounding connection, the protection circuit will be activated. After repairing, be sure to remove the ground wire before reassembling.B

TUNER PACK chassis Chassis back GND wire (Be sure to disconnect the GND wire before reassembly.)C

Main capacitor GND

MAIN Assy (SIDE B)

D

E

F

501 2

VSX-820-K3 4

5

6

7

8

3. Disassembly [1] Front Panel SectionRemove the cabinet by removing the 10 screws. (1) Remove the six screws. (BBZ30P080FTB)

A

1

1

1

1 Bottom view

1

1

B

(2) Remove the four screws. (BBZ30P080FTC)

(VSX-820-K)

(VSX-520-K)

2

2

2 2 2GUIDE_R Assy

2

C

GUIDE_L Assy

GUIDE_R Assy

(3) Remove the two screws. (BBZ30P080FTC) (4) Unhook the two hooks.

(VSX-820-K)

(VSX-520-K)

D

3 4

3 4

3 4

(5) Arrange the front panel section as shown in the photo below.

Front panel section

E

5

F

VSX-820-K5 6 7 8

51

1

2

3

4

A

CABLE DRESSING (VSX-820-K ONLY)(1) Secure the wires from the USB Assy. Wire (USB DSP) (4) Style the 4P wire (F-VIDEO) so that it goes below the corresponding cables marked with circles in the figure below.

B

4P wire

GUIDE_R Assy

Wire (USB MAIN)

C

(2) Secure the card cable with the clamps. Clamp

(5) Style the remaining two wires above wire A, which connects the AMP and INPUT Assys.

D

Card cable

Style the wires so that they are placed above wire A.

(3) Wrap the remaining wires with CU tape foil then secure them with a cable tie. WiresE

Wire A CU tape foil

F

Cable tie

521 2

VSX-820-K3 4

5

6

7

8

A

(6) Secure the cables bound with CU tape foil to the chassis, using a cable tie for grounding.

B

Chassis

CU tape foil

Cable tie

The wires bound with CU tape foil (part No.: 1220-21087-900-0S) are shown below. Front side USB Assy F-VIDEO Assy MIC Assy Directly mounted wire Directly mounted wire Directly mounted wire Rear side DSP AssyC

MAIN Assy INPUT Assy

When repairing an assy on the front side, as the wires are secured to the assys, it is necessary to peel off CU tape foil to unbind the wires in order to disconnect them. After repair, wrap the wires again, using new CU tape foil. When repairing an assy on the rear side, as the wires are disconnected/connected with connectors, you don't have to peel off CU tape foil. After disconnecting the wires, style them again, following the procedures shown above.

D

E

F

VSX-820-K5 6 7 8

53

1

2

3

4

A

[2] Heatsink SectionCaution: Heatsink section in work becomes hot, and be careful with it. Remove the cabinet by removing the 10 screws. (1) Remove the seven screws. (BBZ30P080FTC) (VSX-820-K) (VSX-520-K)

B

1 1 1 1

1 1 1

1 1

C

Bottom view

(2) Remove the four screws. (BBZ30P080FTC)

(VSX-820-K)

(VSX-520-K)

D

2

2

2 2 2GUIDE_R Assy

2

GUIDE_L Assy

GUIDE_R Assy

(3) Disconnect the two connectors.

INPUT Assy

AMP Assy

Heatsink section

E

3CP801

MAIN Assy

3F

CP107

541 2

VSX-820-K3 4

5

6

7

8

A

(4) Connect the two extension jig cables. (5) Rotate the heatsink section in the direction of the arrow.

410P extension jig cable (GGD1628)

48P extension jig cable (GGD1629)

5

B

CP801

CP107

Heatsink section + AMP AssyC

Note: The power transistor on the AMP Assy and heatsink on the MAIN Assy come closer. Make sure that they will not come into contact.

AMP Assy Power transistor Heatsink

D

Heatsink section + AMP Assy

E

F

VSX-820-K5 6 7 8

55

1

2

3

4

A

[3] MAIN AssyRemove the cabinet by removing the 10 screws. (1) Remove the seven screws. (BBT30P100FTB) Rear view (VSX-820-K)

1

1

B

1

1

1 Rear view

1

1(VSX-520-K)

1

1

1C

1

1

1

1

(2) Remove the three screws. (BBZ30P080FTC) (3) Remove the six screws. (BBZ30P180FTC)

MAIN Assy

3 3D

3 3 3

2

3

2

2

E

(4) Arrange the unit as shown in the photo below. (5) Connect the chassis ground. See 2. Notes on Ground Points Connection.

4

5

F

MAIN Assy561 2

VSX-820-K3 4

5

6

7

8

[4] DSP Assy (for VSX-820-K)Remove the cabinet by removing the 10 screws. (1) (2) (3) (4) (5) Remove the five screws. (B020930083B10-IL) Remove the one screw. (BMZ30P100FTB) Remove the 24 screws. (BBT30P100FTB) Remove the seven screws. (BBT30P100FTB) Remove the chassis back. Chassis back24

A

1 5

3

4 4 4 2 4 5 Rear view

4 4 4B

(6) Remove the DSP Assy. (7) Remove the two connectors and remove the BT Assy.

DSP Assy

BT Assy

C

7 6

D

(8) Connect the board to board extension jig cable. (9) Reassembling the chassis back. Secure the HDMI, INPUT, and VIDEO Assys, using at least one screw each, and the chassis back and chassis, using at least two screws. (10) Remove the one connector and remove the CNT2 Assy.

Chassis back

910CNT2 AssyE

Notes: The soldered portions of the extension jigs may have become in poor connection, depending on usage environment, etc. Be sure to confirm soldered portions before use and enhance soldering, if necessary. During attaching/detaching the jig, be careful not to damage the connectors or injure yourself. During failure diagnosis using the extension jig, the cable connecting CP200 on the MAIN Assy and CN200 on the DSP Assy can be disconnected.

8Board to board extension jig cable (GGD1673)VSX-820-K

F

DSP Assy57

5

6

7

8

1

2

3

4

A

[4] DSP Assy (for VSX-520-K)Remove the cabinet by removing the 10 screws. (1) (2) (3) (4) Remove the four screws. (B020930083B10-IL) Remove the 22 screws. (BBT30P100FTB) Remove the seven screws. (BBT30P100FTB) Remove the chassis back. Chassis back22

2 1 4

3B

3 3 3 3 4 Rear view

3 3

(5) Remove the DSP Assy. (6) Remove the two connectors and remove the BT Assy.C

DSP Assy

BT Assy

6

5

D

E

(7) Connect the board to board extension jig cable. (8) Reassembling the chassis back. Secure the HDMI, INPUT, and VIDEO Assy, using at least one screw each, and the chassis back and chassis, using at least two screws. (9) Remove the one connector and remove the CNT2 Assy.

Chassis back

8 9CNT2 Assy

Notes: The soldered portions of the extension jigs may have become in poor connection, depending on usage environment, etc. Be sure to confirm soldered portions before use and enhance soldering, if necessary. During attaching/detaching the jig, be careful not to damage the connectors or injure yourself.F

7Board to board extension jig cable (GGD1673)581 2

DSP Assy

VSX-820-K3 4

5

6

7

8

8. EACH SETTING AND ADJUSTMENT8.1 HOW TO UPDATE FIRMWARE[1] MAIN, SUB, USB and DSP microcomputers[Purpose]Refer to this section when updating the firmware of each microcomputer is required by the service information, etc.A

[Necessary Tools] PC with a serial port RS-232C cable (9-pin to 9-pin, straight cable) RS-232C UPDATE jig : GGF1642 10P to 8P FFC : GGD1676 Firmware ("mot" extension) Firmware for updating USB (VSX_USB.rom)(VSX-820-K ONLY)

(Do not use FFC of GGF1642. Remove it and insert GGD1676 on 10 pin connector of board.)B

[Connections]Connect as shown in the figure below. Insert the FFC with its contact surface facing the " mark.UPDATE jig GGF1642 10P to 8P FFC GGD1676 (SUB microcomputer) RS-232C Straight cable 10PC

Rear side (VSX-820-K)

8P

PC

(MAIN microcomputer) 8P

1) MAIN and SUB microcomputers [Procedures]1 Start up the application on the PC before plugging in the power cord of the main unit. 4 Select the update file and enter ID.2 Enter ID. Enter "ff" in all field.D

1 Select the update file.

3 Press OK button to go to next step.

12 Plug the AC cord. For updating of the Main microcomputer, proceed with the following steps in STANDBY mode. In a case of the SUB microcomputer, turn the main unit on. 3 Press the OK button.

1 Select the update file.

E

Select "***.mot" file to update the MCU.

Press the OK button.

2 Enter ID. 3 Press OK button.

F

3VSX-820-K5 6 7 8

59

1

2

3

4

A

5 Set speed update and update the MCU.

1 Set speed of update. 2 Update the MCU. E.P.R=>Erase+Program+Read

B

1 Set speed of update.Set Baud rate to 38400.

2 Update the MCU. Press the E.P.R button.

Press OK button.C

6 Finished.

7 Press the EXIT button to terminate the updating program. Unplug the AC cord of the unit then disconnect the FFC of the updating jig.D

E

If the following messages are displayed, shut the update program down, and start the update again from step 1.

F

601 2

VSX-820-K3 4

5

6

7

8

2) How to Update the USB Microcomputer (VSX-820-K ONLY) [Procedures]1. Copy the VSX_USB.rom file to the root directory of a USB memory device. 2. Press the iPod USB key on the remote control unit to select iPod/USB function then connect the USB memory device. 3. After accessing the USB memory device, UPG? NO is displayed on the FL display and UPDATE? NO is displayed as an On-Screen display. 4. Press the iPod USB key on the remote control unit. 5. Send either iPod/USB Cursor Left or iPod/USB Cursor Right code. 6. UPG? YES is displayed on the FL display and UPDATE? YES is displayed as an On-Screen display. 7. After sending the iPod/USB Enter code, updating starts. (UPDATE is displayed on the FL display.) 8. When UPG? NO is displayed on the FL display and UPDATE? NO is displayed as the On-Screen display, updating is completed. 9. Disconnect the USB memory device then turn the unit off.

A

B

[How to Confirm the Version of the USB Microcomputer]1. Select the iPod/USB function then turn the unit off. 2. While holding the ENTER key on the front panel pressed, press the STNADBY/ON key. 3. When the receiver is turned on, press the ENTER key on the main unit three times. (Each time the ENTER key is pressed, the indications on the FL display change as follows: Main -> Sub -> DSP -> USB -> All segments lit.) 4. The version is displayed on the FL display, as USB:***.C

Notes on updating If you perform updating of the same software twice, it may fail. If the indication UPDATE on the FL display does not change, let it sit for a few minutes. If the indication on the FL display changes to one other than UPDATE, the unit becomes operable. Turn the unit off after it becomes operable.

3) How to update the DSP Microcomputer [Procedures]1. Select an Input Function that allows reception via Optical input 1 or 2 then set the unit to STBY_Off mode. 2. Press the SPEAKERS and STANDBY/ON keys simultaneously to enter DSP UpDate mode. (DSP UP is displayed.) 3. When PLAY is displayed, playback of the .wav file starts. (Play the file only once. NEVER repeat playback.) (PLAY is displayed.) 4. After playback is finished and ENTER is displayed, press the ENTER key on the front panel. (ENTER is displayed.) 5. WRITING is automatically displayed. 6. After writing is completed, COMPLETE is displayed. 7. Turn the unit off then confirm that the version has been updated.D

E

Reference[ Display of each UCOM (microcomputer) version]Make sure that the main unit is in Standby mode. Press and hold the [ENTER] and [STANDBY/ON] keys, then press the [ENTER] key to display each UCOM version. (Each time the ENTER key is pressed, the indications on the FL display change as follows:) MAIN UCOM[ENTER]

SUB UCOM

[ENTER]

DSP UCOM

[ENTER]

USB UCOM * The version of the USB microcomputer is displayed VSX-820-K ONLY only when USB/IPOD FUNCTION is selected.VSX-820-K 617 8

[ENTER]

Pressing the [ENTER] key returns the display to that for the version All segments lit. of the MAIN UCOM.

F

5

6

1

2

3

4

8.2 IDLE CURRENT ADJUSTMENTA

1. Idle Current Adjustment

Measurement Points TP201FL 3PIN : TEST POINT(+) TP201FL 1PIN : TEST POINT(-) TP201FR 3PIN : TEST POINT(+) TP201FR 1PIN : TEST POINT(-)B

Adjustment Points1 Turn on the power. VR201FL

Procedure

2 Perform aging for one minute. VR201FR 3 Connect a digital voltmeter to the measurement point. 4 Turn the adjustment VR so that the voltage becomes in 2.0 mV 0.2 mV. (Condition : No signal and no load) VR201SL

TP201C 3PIN : TEST POINT(+) TP201C 1PIN : TEST POINT(-) TP201SL 3PIN : TEST POINT(+) TP201SL 1PIN : TEST POINT(-) TP201SR 3PIN : TEST POINT(+) TP201SR 1PIN : TEST POINT(-)

VR201C

VR201SR

Adjustment Point and Measurement Points.... see fig1.C

B

AMP ASSYTP201SR 1PIN TEST POINT(-) TP201C 1PIN TEST POINT(-) TP201SL 1PIN TEST POINT(-)

SIDE ATP201FL 1PIN TEST POINT(-)

Idle current VR: VR201FRD

Idle current VR: VR201SR

Idle current VR: VR201C

Idle current VR: VR201SL

Idle current VR: VR201FL

E

TP201FR 3PIN TEST POINT(+) TP201FR 1PIN TEST POINT(-)F

TP201SR 3PIN TEST POINT(+)

TP201C 3PIN TEST POINT(+)

TP201SL 3PIN TEST POINT(+)

TP201FL 3PIN TEST POINT(+)

[Fig 1.]

621 2

VSX-820-K3 4

5

6

7

8

A

B

C

D

E

F

VSX-820-K5 6 7 8

63

1

2

3

4

9. EXPLODED VIEWS AND PARTS LISTNOTES:A

Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. - Screws adjacent to b mark on product are used for disassembly. - For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.)-

9.1 PACKING SECTIONPoly bag packing styleTape (clear)

B

Cord AC

VSX-820-K/CUXCNSM Only VSX-820-K/CUXCNSM Only

C

1/2

D

2/2

E

F

641 2

VSX-820-K3 4

5

6

7

8

(1) PACKING SECTION PARTS LISTMark No. NSP Description Part No. See Contrast table (2) G670001R50210-IL E601016000010-IL E605010070001-IL See Contrast table (2) See Contrast table (2) See Contrast table (2)A

1 Remote Control 2 Dry Cell Batteries (AAA size IEC R03) 3 AM Loop Antenna 4 FM Wire Antenna 5 Setup Microphone (for Auto MCACC setup) 6 iPod Cable 7 Operating Instructions (En, Frca, Es) 8 Poly Bag NSP 9 Poly Bag 10 Box, Gift 11 Cushion, Snow 12 PE, Sheet 13 Sheet NSP 14 Label 15 NSP 16 Label Getter

6330210059000-IL 6337040062010-IL See Contrast table (2) 6230212824000-IL 6327040059000-IL 5227000001050-IL VRW1629 See Contrast table (2)

B

C

(2) CONTRAST TABLEVSX-820-K/CUXCNSM and VSX-520-K/CUXCNSM are constructed the same except for the following:Mark No. 1 5 6 7 10 NSP 16 Remote Control Setup Microphone (for Auto MCACC setup) iPod Cable Operating Instructions (En, Frca, Es) Box, Gift Label Getter Symbol and Description VSX-820-K /CUXCNSM 8300758300010-IL M040000300200-IL L308102013010-IL 5707000003160-IL 6007211700060-IL 5507000004540-IL VSX-520-K /CUXCNSM 8300758600010-IL Not used Not used 5707000003110-IL 6007211700000-IL 5507000004530-ILD

E

F

VSX-820-K5 6 7 8

65

1

2

3

4

9.2 EXTERIOR SECTION (VSX-820-K)A

B

6 2C

K

2 5

D

P

3

14

O D O5

ENut

2/2 1/2

5

U2F

Nut

N6

E

661 2

VSX-820-K3 4

5

6

7

8

A

4

4

B

34 6 7 5

C

V C J M A T SD

2 14

6Silicon adhesive (GYA1011)

L H2 4 4A

3

Q

R I GA

4 15

5

E

1/2

B5 5 5

10

5

NON-CONTACT SIDE

N E

2

Silicon grease (GEM1057)

CONTACT SIDE

2

5

F

VSX-820-K5 6 7 8

67

1

2

3

4

EXTERIOR SECTION (VSX-820-K) PARTS LISTMark No.A

Description

Part No. 7028069131010-IL 7028067523010-IL 7028069151010-IL 7028069114010-IL 7028069116010-IL 7028069112010-IL 7028069115010-IL 7028069119010-IL 7028069113010-IL 7028069117010-IL 7028069118010-IL 7028069141010-IL 7028069123010-IL 7028069121010-IL 7028069122010-IL 7028069111010-IL 7028069162010-IL 7028069191010-IL 7028069161010-IL 7028069171010-IL 7028069181010-IL 8200960610590-IL J5011560Y0000-IL J502396400010-IL J5032390Y0000-IL L068125101710-IL N712232533810-IL XAM3006 1210210235000-IL 1210210762000-IL 4470211956000-IL 1217211152000-IL 2120211378000-IL 3007211276200-IL 3067214861000-IL 3070210626000-IL 3200212676000-IL 3207213456000-IL 4007210391000-IL 4010056906010-IL 4050211365000-IL 4050211385000-IL 4050211605000-IL 4050211745000-IL 4300040561010-IL

Mark No. 46 Cover

Description

Part No. 4317215111000-IL 4330000310000-IL 4330040343010-IL 4380040162010-IL 5077212953010-IL 5080212361000-IL 5090213741100-IL 5090214311000-IL 5090214321000-IL 5507000003270-IL

1 INPUT Assy 2 AMP Assy 3 SPEAKER Assy 4 HEADPHONE Assy 5 MIC Assy 6 PT Assy 7 HP_GUIDE Assy 8 CNT1 Assy 9 CNT2 Assy 10 GUIDE_L AssyB

47 Clamp MTG 48 Clamp 49 Stopper 50 Window Display 51 Knob 52 Button 53 Button 5 Key 54 Button 10 Key 55 Label Trans 56 57 58 59 Screw 60 Screw 61 Screw 62 Screw 63 Screw 64 Screw 65 Screw 66 Screw Tapping Assy 67 Screw, Tap Tite 68 Screw

11 GUIDE_R Assy 12 VIDEO Assy 13 F-VIDEO Assy 14 FRONT Assy 15 FUNCTION Assy 16 MAIN Assy 17 REG Assy 18 HDMI Assy 19 DSP Assy 20 USB Assy 21 BT Assy > > > > > 22 Power Trans. 23 Transistor (Q2071-Q2075) 24 Semi, Tr/Ge NPN 2SC (Q2051-Q2055) 25 Transistor (Q2011-Q2015) 26 Cord Assy 27 Cable, Flat Card 1.25 28 Pioneer Badge B (PLS) 29 Sheet 30 Sheet 31 Plate 32 Sheet NSP 33 Heatsink 34 Cabinet 35 Panel Front 36 Shield

1500001456010-IL BBT30P100FTB BBT40P080FTB BBZ30P080FTB BBZ30P080FTC BBZ30P180FTC BMZ30P100FTB B018230141H11-IL B020930083B10-IL B028940101B11-IL

C

D

E

NSP 37 Chassis 38 Chassis Back 39 Foot 40 Bracket 41 Cushion 42 Cushion 43 Cushion 44 Cushion 45 Spacer

F

681 2

VSX-820-K3 4

5

6

7

8

A

B

C

D

E

F

VSX-820-K5 6 7 8

69

1

2

3

4

9.3 EXTERIOR SECTION (VSX-520-K)A

B

6 2C

K

2 5

D

P

3

O D O5

14

ENut

2/2 1/2

F

F

Nut

6

701 2

VSX-820-K3 4

5

6

7

8

A

4

4

B

34

6

7

C V J M A T S

4

C

D

L14

2

6Silicon adhesive (GYA1011)

H2 4 4A

3

Q

R I GA

1/2

F

2

4 15

5

E

B5 5 5

10

5NON-CONTACT SIDESilicon grease (GEM1057)

CONTACT SIDE

F

VSX-820-K5 6 7 8

71

1

2

3

4

EXTERIOR SECTION (VSX-520-K) PARTS LISTMark No.A

Description

Part No. 7028069131020-IL 7028067523010-IL 7028069151030-IL 7028069114010-IL 702806911A010-IL 7028069112010-IL 7028069115010-IL 7028069119010-IL 7028069113010-IL 7028069117010-IL 7028069118010-IL 7028069141040-IL 7028069121020-IL 7028069122010-IL 7028069111060-IL 7028069162010-IL 7028069191020-IL 7028069161020-IL

Mark No.

Description

Part No. 4330000310000-IL 4330040343010-IL 4380040162010-IL 5077212953000-IL 5080212361000-IL 5090213741100-IL 5090214311000-IL 5090214321000-IL 5507000003270-IL

1 INPUT Assy 2 AMP Assy 3 SPEAKER Assy 4 HEADPHONE Assy 5 PORTABLE Assy 6 PT Assy 7 HP_GUIDE Assy 8 CNT1 Assy 9 CNT2 Assy 10 GUIDE_L AssyB

46 47 Clamp MTG 48 Clamp 49 Stopper 50 Window Display 51 Knob 52 Button 53 Button 5 Key 54 Button 10 Key 55 Label Trans 56 57 58 59 Screw 60 Screw 61 Screw 62 Screw 63 Screw 64 Screw 65 1500001456010-IL BBT30P100FTB BBT40P080FTB BBZ30P080FTB BBZ30P080FTC BBZ30P180FTC

11 GUIDE_R Assy 12 VIDEO Assy 13 14 FRONT Assy 15 FUNCTION Assy 16 MAIN Assy 17 REG Assy 18 HDMI Assy 19 DSP Assy 20 21 BT Assy > > > > > 22 Power Trans. 23 Transistor (Q2071-Q2075) 24 Semi, Tr/Ge NPN 2SC (Q2051-Q2055) 25 Transistor (Q2011-Q2015) 26 Cord Assy 28 Pioneer Badge B (PLS) 29 Sheet 30 Sheet 31 32 NSP 33 Heatsink 34 Cabinet 35 Panel Front 36 NSP 37 Chassis 38 Chassis Back 39 Foot (PLS) 40 Bracket 41 Cushion 42 Cushion 43 Cushion 44 Cushion 45 Spacer

C

7028069181010-IL 8200960610470-IL J5011560Y0000-IL J502396400010-IL J5032390Y0000-IL L068125101710-IL N712192533810-IL XAM3006 1210210235000-IL 1210210772000-IL

66 Screw Tapping Assy 67 Screw, Tap Tite 68 Screw

B018230141H11-IL B020930083B10-IL B028940101B11-IL

NSP 27 Cable, Flat Card 1.25D

2120211378000-IL 3007211276200-IL 3067214851000-IL

E

3200212676000-IL 3207213446000-IL 4000210391000-IL 4010056906010-IL 4050211365000-IL 4050211385000-IL 4050211605000-IL 4050211745000-IL 4300040561010-IL

F

721 2

VSX-820-K3 4

5

6

7

8

A

B

C

D

E

F

VSX-820-K5 6 7 8

73

1

2

3

4

10. SCHEMATIC DIAGRAM10.1 INPUT ASSYA

(SW)

(SW)

B(SW)

V

CP502

(SW)

C

D

VSX-820-K ONLY(SW)

E

VSX-820-K ONLY

F

A741

Q

CP117VSX-820-K2 3

Q

CP118

(SW)

4

5

6

7

8

A INPUT ASSY(SW)

AThe > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

(7028069131010-IL: VSX-820-K) (7028069131020-IL: VSX-520-K)(SW)

(FL)

B(FL)

(C)

(C) (SL)

B

CN201

(SL)

(SW) (SW)

C

D

-K ONLY VSX-820-K ONLY

N

CN701CP802(VSX-520-K)

VSX-520-K ONLY

VSX-520-K ONLY

F E

CN703 CN707

E

VSX-820-K ONLYCP802(VSX-820-K)

(FL) (SL) (C) (SW)

: Audio Signal Route (Front L ch) : Audio Signal Route (Surround L ch) : Audio Signal Route (Center ch) : Audio Signal Route (Subwoofer ch)F

I5

CN121B

Q

CP120VSX-820-K6 7 8

A75

1

2

3

4

10.2 AMP ASSYA

B AMP ASSY (7028067523010-IL)

IDLE CURRENT

B

(FL)

(FL)

(FL)

C

CP801

A

(SL)

IDLE CURRENT

(SL)

D

(SL)

E

(C)

(C)

(C)

(FL) (SL) (C)

: Audio Signal Route (Front L ch) : Audio Signal Route (Surround L ch) : Audio Signal Ro

Documents

Pioneer VSX-520-K Service Manual