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Slide #1
Panasonic Service and Technology CompanyNational Training
Revised Troubleshooting Handbook2009-Plasma HD and FHD TV (12th Generation)
Model TC-P42PX1
TC-P42X1TC-P50X1TC-P42C1TC-P50C1TC-P42S1TC-P46S1TC-P50S1TC-P54S1TC-P42U1TC-P46U1TC-P50U1
TC-P42G10TC-P46G10TC-P50G10TC-P54G10TC-P42G15TC-P46G15TC-P50G15TC-42PS14TC-50PS14TC-P50V10TC-P54V10
Applies to models:
TTG090507CP\REV091117
New 7 blinksTroubleshooting
Procedure
Slide #2
Prepared byCesar Perdomo
Panasonic Service and Technology CompanyNational Training
Warning This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
Copyright
2009 by Panasonic Service and Technology CompanyAll rights reserved. Unauthorized copying and distribution is a violation of law.
"HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.
Slide #3
Table of ContentSubject Slide
Table of Contents 3 Introduction 4 HD Boards Layout (TC-P42X1) 5 Full HD Boards Layout (TC-42PS1) 6 Full-HD Connectors Location (TC-P42S1) 7 Troubleshooting Shutdown Problems 8 Power LEDs Response to Shutdown Operation 9 Shutdown Detect Block Diagram 10 HD Panel Drive SOS Detect Block Diagram (TC-P42X1) 11 Full-HD Panel Drive SOS Detect Block Diagram (TC-P42S1) 12 Power LEDs Response to Connectors Removal (42 HD) 13 Power LEDs Response to Connectors Removal (42 HD) 14 Power LEDs Response to Connectors Removal (50 HD) 15 Power LEDs Response to Connectors Removal (Full HD) 16 Power LEDs Response to Connectors Removal (Full HD) 17 SU and SD board Isolation Procedure 18 Procedure to Isolate Bothe SU and SD at the Same Time 19 Procedure to Isolate Bothe SU and SD at the Same Time 20 SU Board Isolation Procedure 21 SD Board Isolation Procedure 22 How to Easily Gain Access to the SS board 23 Front Cabinet Removal 24 SU and SD Boards Isolation Procedure 25 SU, SD, and SC Boards Resistance Test Procedure 26 SU Board Resistance Test (All Models) 27 SD Board Resistance Test (All Models Except TC-50PX14, TC-P50X1, TC-P50C1) 28 SD Board Resistance Test ( Models: TC-50PX14, TC-P50X1, TC-P50C1) 29 SC Board Resistance Test (All Models Except TC-50PX14, TC-P50X1, TC-P50C1) 30 SC Board Resistance Test ( Models: TC-50PX14, TC-P50X1, TC-P50C1) 31 1 Blink Error Code (All Models) 32 2 Blinks Error Code (All Models) 33 2 Blinks Error Code (All Models) 34 3 Blinks Error Code (All Models) 35 4 Blinks Error Code (All Models) 36
Subject Slide 5 Blinks Error Code 37 5 Blinks Error Code (All Models) 38 5 Blinks Error Code (All Models) 39 5 Blinks Error Code Continue 40 6 Blinks Error Code (HD Models) 41 6 Blinks Error Code (42 HD Models) Flowchart 42 6 Blinks Error Code (50 HD Models) Flowchart 43 6 Blinks Error Code (Full-HD Models) 44 6 Blinks Error Code (Full-HD Models) Flowchart 45 7 Blinks Error Code 46 7 Blinks Error Code 47 7 Blinks Error Code 48 7 Blinks Error Code 49 8 Blinks Error Code (HD Models) 50 8 Blinks Error Code (HD Models) 51 8 Blinks Error Code (HD Models) Flowchart 52 8 Blinks Error Code (Full-HD Models) 53 8 Blinks Error Code (Full-HD Models) 54 8 Blinks Error Code (Full-HD Models) Flowchart 55 9 Blinks Error Code 56 10 Blinks Error Code (HD Models) 57 10 Blinks Error Code (HD Models) Flowchart 58 10 Blinks Error Code (Full-HD Models) 59 10 Blinks Error Code (Full-HD Models) Flowchart 60 11 Blinks Error Code (Full-HD Models) 61 12 Blinks Error Code (Full-HD Models) 62 13 Blinks Error Code 63 No Power Flowchart 64 Service Mode 65 Self Check 66 Reset Procedure 67 SOS History 68 Diagnostic Method for Troubleshooting PDP Television 69 Picture Problem Solution 70 The End 71
Slide #4
Introduction
1. Basic concept of how to determine the defective board
1) Verification of voltages
Normally, when there is a power problem, shutdown occurs immediately.
So, to resolve a power problem, voltage checks are necessary before shutdown.
2) Check if the power comes up after disconnecting the board under suspicion.
If power comes up (*) after disconnecting a board, the board is defective.
(*) Power comes up equals no shutdown.
2. Troubleshooting Video and Audio problems
3. Examples of video problems
4. Adjustment after PCB exchange
1) After exchanging the following boards, voltage adjustment is required.
P board, SC board, SS board => Please refer to the Service Manual.
Slide #5
HD boards Layout (TC-P42X1)
Slide #6
Full-HD boards Layout (TC-P42S1)
Slide #7
Full-HD Connectors Location (TC-P42S1)
Slide #8
Troubleshooting Shutdown Problems
CAUTION: Some steps require removal of connectors and sometimes PC boards removal. Do not let the TV run for more than 30 seconds while connectors or boards are disconnected.
Slide #9
Power LEDs Response to Shutdown OperationWhen an abnormality occurs in the TV, the SOS Detect circuit is triggered and the TV shuts down. The power LED on the front panel will flash a pattern indicating the circuit that has failed.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
CAUTION: Some steps require removal of connectors and sometimes PC boards removal. Do not let the TV run for more than 30 seconds while
connectors or boards are disconnected.
Slide #10
Shutdown Detect Block Diagram
Slide #11
HD Panel Drive SOS Detect Block Diagram (TC-P42X1)
Slide #12
Full-HD Panel Drive SOS Detect Block Diagram (TC-P42S1)
Slide #13
Power LEDs Response to Connectors Removal (42 HD Models)
Model: TC-P42X1
Connector Connector Connector Result
A20 Unplugged
OK
A31 Unplugged SOS 6 Blinks
A32 Unplugged SOS 6 Blinks
A20 Unplugged
A31 Unplugged OK
A20 Unplugged
A32 Unplugged OK
A31 Unplugged
A32 Unplugged SOS 6 Blinks
A20 Unplugged
A31 Unplugged
A32 Unplugged TV Stays On With Black Screen
HD Models
Do not remove any connectors from any of the PC boards unless instructed to do so.
CAUTION: Some steps require removal of connectors and
sometimes PC boards removal. Do not let the TV run for more
than 30 seconds while connectors or boards are
disconnected.CAUTION: The TV power should not be
turned on while SC2 is disconnected. This could damage the SS board.
Slide #14
Power LEDs Response to Connectors Removal (42 HD Models)
Model: TC-P42X1 (SS Board Isolation)
Connector Connector Connector Result
SS11 Unplugged
SOS 6 Blinks
SS3 Unplugged SOS 6 Blinks
SS23 Unplugged OK
SS11 Unplugged
SS3 Unplugged SOS 6 Blinks
SS11 Unplugged
SS23 Unplugged SOS 6 Blinks
SS3 Unplugged
SS23 Unplugged SOS 6 Blinks
SS11 Unplugged
SS3 Unplugged
SS23 Unplugged SOS 6 Blinks
SC2 Unplugged
SC3 Unplugged
SC20 Unplugged
SS11 Unplugged
OK
SC2 Unplugged
SC20 Unplugged
SS11 Unplugged
OK
SC20 Unplugged
SS11 Unplugged
OK
Model: TC-P42X1 (SC Board Isolation)
Connector Connector Connector Connector
On SS board
Result
SC2 Unplugged
SOS 7 Blinks
SC3 Unplugged SOS 6 Blinks
SC20 Unplugged OK
SC2 Unplugged
SC3 Unplugged SOS 7 Blinks
SC2 Unplugged
SC20 Unplugged SOS 8 Blinks
SC3 Unplugged
SC20 Unplugged SOS 8 Blinks
42HD Models
CAUTION: Some steps require removal of connectors and
sometimes PC boards removal. Do not let the TV run for more
than 30 seconds while connectors or boards are
disconnected.
Do not remove any connectors from any of the PC boards unless instructed to do so.
CAUTION: The TV power should not be turned on while SC2 is disconnected. This
could damage the SS board.
Slide #15
Power LEDs Response to Connectors Removal (50 HD Models)
Model: TC-P42X1 (SS Board Isolation)
Connector Connector Connector Result
SS11 Unplugged
SOS 6 Blinks
SS3 Unplugged SOS 6 Blinks
SS23 Unplugged OK
SS11 Unplugged
SS3 Unplugged SOS 6 Blinks
SS11 Unplugged
SS23 Unplugged SOS 6 Blinks
SS3 Unplugged
SS23 Unplugged SOS 6 Blinks
SS11 Unplugged
SS3 Unplugged
SS23 Unplugged SOS 6 Blinks
SC3 Unplugged
SC20 Unplugged
SS11 Unplugged
SOS 6 Blinks
SC20 Unplugged
SS11 Unplugged
SOS 6 Blinks
SC20
Unplugged SS11
Unplugged SOS 6 Blinks
Model: TC-P50X1 (SC Board Isolation) Connector
On C1 board
Connector Connector Connector
On SS board
Result
SC3 Unplugged SOS 6 Blinks
SC20 Unplugged SOS 6 Blinks
SC3 Unplugged
SC20 Unplugged
SS11 Unplugged SOS 8 Blinks
C10 Unplugged
SC20 Unplugged
SS11 Unplugged OK
50HD Models
CAUTION: Some steps require removal of connectors and
sometimes PC boards removal. Do not let the TV run for more
than 30 seconds while connectors or boards are
disconnected.
Do not remove any connectors from any of the PC boards unless instructed to do so.
CAUTION: The TV power should not be turned on while SC2 is disconnected. This
could damage the SS board.
Slide #16
Power LEDs Response to Connectors Removal (Full HD Models)
Model: TC-P42S1
Connector Connector Connector Results
A33 Unplugged
SOS 6 Blinks
A31 Unplugged
Left Half of Screen is OK (Right Side is Black)
A32 Unplugged SOS 6 Blinks
A33 Unplugged
A31 Unplugged SOS 6 Blinks *
A33 Unplugged
A32 Unplugged OK
A31 Unplugged
A32 Unplugged SOS 6 Blinks
A33 Unplugged
A31 Unplugged
A32 Unplugged TV Stays On With Black Screen
Full HD Models
CAUTION: Some steps require removal of connectors and sometimes PC boards removal. Do not let the TV run for more than 30 seconds while
connectors or boards are disconnected.
Do not remove any connectors from any of the PC boards unless instructed to do so.
Slide #17
Power LEDs Response to Connectors Removal (Full HD Models)
Model: TC-P42S1 (SS Board Isolation)
Connector Connector Connector Results
SC20 Unplugged
6 Blinks *
SC2 Unplugged 7 Blinks *
SC20 Unplugged
SC2 Unplugged 6 Blinks *
Model: TC-P42S1 (SS Board Isolation)
Connector Connector Result
SS11 Unplugged
OK
SS33 Unplugged OK
SS11 Unplugged
SS33 Unplugged OK
Full HD Models
Model: TC-P42S1 Connectors Combination between SS and SC Boards)
SC Board SS Board
Connector Connector Connector Connector Result
SS11 Unplugged
SC2 Unplugged
7 Blinks
SS11 Unplugged
SC20 Unplugged 6 Blinks
SS11 Unplugged
SC2 Unplugged
SC20 Unplugged 6 Blinks
SS11 Unplugged
SS33 Unplugged
SC2 Unplugged 7 Blinks
SS11 Unplugged
SS33 Unplugged
SC20 Unplugged 6 Blinks
SS11 Unplugged
SS33 Unplugged
SC2 Unplugged
SC20 Unplugged 6 Blinks
SS33 Unplugged
SC2 Unplugged 7 Blinks
SS33 Unplugged
SC20 Unplugged 6 Blinks
SS33 Unplugged
SC2 Unplugged
SC20 Unplugged 6 Blinks
CAUTION: Some steps require removal of connectors and sometimes PC boards removal. Do not let the TV run for more than 30 seconds while connectors or boards are disconnected.
Do not remove any connectors from any of the PC boards unless instructed to do so.
Slide #18
SU and SD Boards Isolation Procedure
Beginning last year (2008), the plasma TV are designed to shutdown if either the SU or SD board is disconnected.
Disconnecting either board causes the unit to shutdown and the power LED to blink 7 times.
Unplugging any of the connectors SC41/SU41, SU11/SD11, andSC42/SD42, opens the interlocked connection between VF_GND and CHA on the SC board. This floats point CHA triggering the SOS7 detect circuit. This outputs a high to the A board through connector SC20 triggering shutdown.
A new SC test fixture (Jig) can be used when the SU and SD boards are isolated. The jig is a small connector with a jumper between pin 1 and pin 2. The part number is TZSC09187.
It plugs into connector SC50 on the SC board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #19
Procedure to Isolate both SU & SD at the Same Time
To isolate the SU and SD boards at the same time is not necessary to remove any
of the boards:
Remove the 4 VF_GND screws (2 on the SU board and 2 on the SD board).
Unplug connectors SC41, SC46, and SC42 on the SC board.
Place the SC jig cable (TZSC09187) between pins 1 and 2 of connector SC50 on
the SC board.
Note: If the SC jig is not available, install a jumper between pins 1 and 2 of connector SC50 on the SC board. (Remove the jig or the jumper after completing isolation procedure). When this is done, the display is completely black (No picture)
Note: This procedure could be useful when troubleshooting 7 blinks problems.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #20
Procedure to Isolate both SU & SD at the Same TimeIf the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #21
SU Board Isolation Procedure
To isolate the SU board:
1. Remove the 2 VF_GND screws on the SU board only.
2. Unplug connector SC41 on the SC board and SU11 on SU board.
3. Place SC jig cable ZSC09187)between pins 1 and 2 of connector SC50 on the SC board.
Note: If the SC jig is not available, install a jumper between pins 1 and 2 of connector SC50 on the SC board. (Remove the jig or jumper after completing isolation procedure)
Note: This procedure could be useful when troubleshooting 7 blinks problems.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #22
SD Board Isolation Procedure
To isolate the SD board:
1. Remove the 2 VF_GND screws on the SD board only.
2. Unplug connector SC42/SU42, SC46/SD46, and SU11/SD11 from the SD board.
3. Place SC jig cable (TZSC09187) between pins 1 and 2 of connector SC50 on the SC board.
Note: If the SC jig is not available, install a jumper between pins 1 and 2 of connector SC50 on the SC board. (Remove the jig or jumper after completing isolation procedure)
Note: This procedure could be useful when troubleshooting 7 blinks problems.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #23
How to Easily Gain Access to the SS board
SCREW
SCREW
SCREW
Remove the 3 screws that hold the A board assembly in place
Let the A board assembly rest on the speakers magnet to gain access to the SS board
1 2
Slide #24
Front Cabinet Removal
Remove the rear cover.
Remove the 4 screws holding the front panel in place.
Remove the cables from the speakers.
Remove the screws from the speakers (2 each).
Remove the speakers.
Remove the front cabinet.Note: To remove the front cabinet, pull the bottom slightly forward and then lift it up.
Slide #25
SU and SD Boards Visual InspectionCheck the ICs on the SU and SD boards for blown hole on the surface.Note: In some models it is not possible to check if these ICs are blown because they use surface-mount heat sinks that are glued to the surface of the ICs.
This is an example of what a blown IC looks
like
Slide #26
SU,SD, and SC Boards Resistance Test Procedure
SU,SD, and SC Boards Resistance Test Procedure
Note: The result of the resistance test determine if the boards are bad, but it does not determine if they are 100% good. For this reason, after performing a resistance test, we need to further check the boards that check OK using another procedure.
Slide #27
SU Board Resistance Test (All Models)
Procedure:
Using a digital meter measure the resistance between VF-ground (Floating ground) and pin 2 of connector SU41 on the SU board.
The normal resistance should be approximately 2.1Mega-ohms.
Note: A low resistance reading indicates a defective SU board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Unplug connector SU41 and SU11. Remove the 2 floating ground screws from the SU board.
Slide #28
SD Board Resistance Test (All Models, Except TC-50PX14, TC-P50C1, TC-P50X1)
Procedure:
Using a digital meter, measure the resistance between VF-ground (Floating ground) and pin 9 of connector SD42 on the SD board.
The normal resistance should be approximately 2.1Mega-ohms.
Note: A low resistance reading indicates a defective SD board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Unplug connectors SD42, SD46 and SD11. Remove the 2 floating ground screws from the SD board.
Slide #29
SD Board Resistance Test ( Models: TC-50PX14, TC-P50C1, TC-P50X1)
Procedure:
Using a digital meter, measure the resistance between VF-ground (Floating ground) and pin 1 of connector SD42 on the SD board.
The normal resistance should be approximately 2.1Mega-ohms.
Note: A low resistance reading indicates a defective SD board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Unplug connectors SD42, SD46 and SD11. Remove the 2 floating ground screws from the SD board.
Slide #30
SC Board Resistance Test (All Models, Except TC-50PX14, TC-P50C1, TC-P50X1)
Procedure:
Using a digital meter measure the resistance between the VF-ground screw (Floating ground) and pin 3 of connector SC42.
Also measure the resistance between the VF-ground screw (Floating ground) and pin 5 of connector SC42 on the SC board.
The normal resistance for pin 3 is approximately 2.9Kilo-ohms and approx. 5.7Kilo-ohms for pin 5.
Note: A low resistance reading indicates a defective SC board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Unplug connectors SD42, SD46, SU41 and SD11. Out of all 4 floating ground screws on the SU and SD boards, remove 3 and leave only one in.
Slide #31
SC Board Resistance Test ( Models: TC-50PX14, TC-P50C1, TC-P50X1)
Procedure:
Using a digital meter measure the resistance between the VF-ground screw (Floating ground) and pin 5 of connector SC42.
Also measure the resistance between the VF-ground screw (Floating ground) and pin 7 of connector SC42 on the SC board.
The normal resistance for pin 5 is approximately 2.9Kilo-ohms and approx. 5.7Kilo-ohms for pin 7.
Note: A low resistance reading indicates a defective SC board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Unplug connectors SD42, SD46, SU41 and SD11. Out of all 4 floating ground screws on the SU and SD boards, remove 3 and leave only one in.
Slide #32
1 Blink Error Code
Trouble Mode
Communication Error
Defective Board
A, P, Loose connections
Plug in the TV
Warning: Disconnect AC Power prior to making any disconnection or connection.
No Yes
Replace the A board
Is there 5V at pin 9 of
connector P25/A25?
Make sure that connectors P25 and D25 are properly seated
Replace the P board
Is there continuity between pin 9 of connector P25 and pin 5 of connector P7 on
the P board?
No Yes
Reseat P25/A25 or Replace the cable
Unplug in the TV
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #33
2 Blinks Error Code (All Models)
Trouble Mode
P15V
Defective Board
A, SC, SS
Warning: Disconnect AC Power prior to making any disconnection or connection.
1. Missing P15V
2. A short of the P15V
3. Wrong diagnostic by the A board
These 3 conditions can cause the TV to shutdown and the power LED to blink 2 times
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #34
2 Blinks Error Code (All Models)
No Yes
Reconnect P25 and measure the resistance between pin 1 of connector P6 and ground (Chassis)
Is there a short
circuit?
Unplug the TV and check the resistance between pin 1 of connector P6 and ground (Chassis)
Is there a short
circuit?
YesNoPlug in the TV and turn it on. Measure the voltage at pin 1 of connector P6
Is there 15V
present?
No Yes
ReplaceThe P board
ReplaceThe A board
Unplug connectors P6, P11, and P25 on the P board. Measure the resistance between pin 1 of connector P6 and ground (Chassis)
Is there a short
circuit?
No Yes
ReplaceThe P board
Reconnect P11 and measure the resistance between pin 1 of connector P6 and ground (Chassis)
Is there a short
circuit?
No YesReplace
The SS board
Disconnect SC20 on the SC board and measure the resistance between pin 1 of connector P6 and ground (ChassisReplace
The A board
Is there a short
circuit?
No Yes
ReplaceThe A board
ReplaceThe SC board
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Start Here
Slide #35
3 Blinks Error Code
Trouble Mode
3.3V down SOS
Defective Board
A Board
Replace the A board
Warning: Disconnect AC Power prior to making any disconnection or connection.
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #36
4 Blinks Error Code
Trouble Mode
Power Supply SOS
Defective Board
Primarily P board or possible A board
No
Warning: Disconnect AC Power prior to making any disconnection or connection.
A BoardP Board
Turn the TV on
YesIs pin
12 of CN P25 on the P board high
before the TV shuts down?
Does the power supply
makes a chirp noise at plug in?
Start Here
Yes No
Yes NoIs there a short to ground?
Replacethe SS board
Replacethe SC board
Disconnect the TV. Disconnect P2 and P11 on the P board
Measure the resistance between pin 1 of connector SS11 on the
SS board and ground (Chassis).
Yes NoIs there a short to ground?
All other 2009 ModelsTC-P42G10 TC-P46G10 TC-50G10 TC-P54G10
Measure the resistance between pin 1 of connector SC2 on the SC
board and ground (Chassis).
Replacethe P board
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #37
5 Blinks Error Code
Trouble Mode
5V SOS
Defective Board
P, C, SC, SS board or PanelWarning: Disconnect AC Power prior to making any disconnection or connection.
1. Missing P5V
2. A short of the P5V
3. A short of the Vda line (Note: missing Vda from the P board does not cause 5 blinks)
4. Wrong diagnostic by the A board
These 4 conditions can cause the TV to shut down and the power LED to blink 5 times
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #38
5 Blinks Error Code (All Models)
Trouble Mode
5V SOS
Defective Board
P, C, A,SC, SS board or Panel
Disconnect the TV. Measure the resistance between pin 1 of connector P35 on the P
board and ground (Chassis).
Yes
Proceed to more extensive troubleshooting of the slides that follow.
NoIs there a short to ground?
Panel
Note: Even though it does not happen often, the 5 blinks shutdowncan also be caused by
one of the C boards
Warning: Disconnect AC Power prior to making any disconnection or connection.
Does the power supply
makes a chirp noise at plug in?
Start Here
Yes No
Yes NoIs there a short to ground?
Replacethe SS board
Replacethe SC board
Disconnect the TV. Disconnect P2 and P11 on the P board
Measure the resistance between pin 1 of connector SS11 on the
SS board and ground (Chassis).
Yes NoIs there a short to ground?
All other 2009 ModelsTC-P42G10 TC-P46G10 TC-50G10 TC-P54G10
Measure the resistance between pin 1 of connector SC2 on the SC
board and ground (Chassis).
Replacethe P board
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #39
5 Blinks Error Code (All Models)
Disconnect the TV and measure the resistance between pin 5 of connector P25 on
the P board and ground (Chassis).
YesNo
Is there a short to ground?
Use a volt-meter and place the positive probe on pin 5 of connector P25 on the P board while the negative probe is grounded. Plug in the TV and turn it on
Is there 5V?
Yes NoReplacethe A board
Replacethe P board
Disconnect P25 on the P board. Measure the resistance between pin 5 of connector P25 on
the P board and ground (Chassis).
Yes NoIs there a short to ground?
Replacethe P board
Reconnect P25 and disconnect SC20 on the SC board. Measure the resistance
between pin 5 of connector P25 on the P board and ground (Chassis). Yes No
Is there a short to ground?
Replacethe SC board
Reconnect SC20 and disconnect SS23 (HD models)/SS33 (Full- HD models) on the SS board. Measure the resistance between pin 5 of connector P25 on the P board and ground (Chassis).
Disconnect SC46 and reconnect SC20 on the SC board. Measure the resistance between pin 5 of
connector P25 on the P board and ground Chassis).
YesNoIs there a
short to ground?
Replacethe SD board
Go to the next slide (A)
Yes NoIs there a short to ground?
Replacethe SS board
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #40
5 Blinks Error Code Continue
Continue from the previous slide (A)
Reconnect SS23/SS33 and disconnect A31, A32, and A20 for HD models/A33 on the A board. Measure the resistance between pin 5 of connector P25 on the P board and ground
(Chassis).
Yes NoIs there a short to ground?
Replacethe A board
Check the C boards (See Note: B)If the C boards are ok, replace
the Panel
Note B: The C board can be checked individually. Reconnect the ribbon cables from the A board (A31, A32, and A20 for HD models/A33). Disconnect the flex cables between the panel and the C boards tested. Measure the
resistance between pin 5 of connector P25 on the P board and ground (Chassis). If there is still a short circuit,
change the C board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #41
6 Blinks Error Code (HD Models)
Trouble Mode
SC Energy Recovery Circuit
Defective Board
SC, SS, A, SU,SD, and Loose connectionsWarning: Disconnect AC Power prior to making any
disconnection or connection.
LIST OF MODELS: TC-P42X1 TC-P42C1 TC-42PX14 TC-P50X1 TC-P50C1 TC-50PX14
CAUTION: The TV power should not be turned on while SC2 is disconnected. This could damage the SS board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #42
6 Blinks Error Code (42 HD Models) Flowchart
No Yes
Verify that all the cables plugged in to the SC and SS boards are properly seated. Also check the ribbon cables and connectors on the A and C boards. Unplug the TV and disconnect connector SC20 on the SC board. Plug in the TV and turn it on
Does the TV power
up andstay on?
Replacethe SC board
Unplug the TV and reconnect connectors SC20. (Follow the
SU/SD boards isolation procedure shown on slides 17~19). Plug in
the TV and press the power switch
Does the TV power
up andstay on?
NoYes
The SU or/and the SD Boardscan be defective. Follow
procedure on slides 17~21 to determine which of the 2 boards
is defective.
No YesDid the
number of blinks
change?Replace
the A board
No Yes Is the power LED still blinking?
Unplug the TV and with SC20 still disconnected, disconnect SS11 on the SS board. Plug in the TV and
turn it on.
Replacethe A board
Replacethe SS andA boards
6 times
8 times
Replacethe SS and SC
boards
LIST OF MODELS: TC-P42X1 TC-P42C1 TC-42PX14
Start Here
CAUTION: The TV power should not be turned on while SC2 is disconnected. This could damage the SS board.
10 times
8 times
Replacethe SS board
6 times
10 times
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #43
6 Blinks Error Code (50 HD Models) Flowchart
Verify that all the cables plugged in to the SC and SS boards are properly seated. Also check the ribbon cables and connectors on the A and C boards. Unplug the TV and disconnect connector SC20 on the SC board. Plug in the TV and turn it on
Replacethe SC board
Unplug the TV and reconnect connectors SC20, SS11, and C10.
(Follow the SU/SD boards isolation procedure shown on
slides 17~19). Plug in the TV and press the power switch
Does the TV power
up andstay on?
NoYes
The SU or/and the SD Boards can bedefective. Follow procedure on slides
17~21 to determine which of the 2 boardsis defective.
No YesDid the number of blinks
change?
Replacethe A board
Is the power LED still blinking?
NOTE: The SS board may had just become damaged (Shorted Vsus).
LIST OF MODELS: TC-P50X1 TC-P50C1 TC-50PX14
Start Here
10 times
CAUTION: The TV power should not be turned on while SC2 is disconnected. This could damage the SS board.
Unplug the TV and disconnect connector SC20 on the SC board,
SS11 on the SS board and C10 on the C1 board. Plug in the TV and turn it on
Replacethe SS board8 times
6 times
Replacethe SS andSC boards
No Yes Unplug the TV. Keep SC20 disconnected and disconnect connector SS11 on the SS board and C10 on the C1 board. Plug in the TV and turn it on
Is the power
LED still blinking?
No Yes
Replacethe SS andA boards
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #44
6 Blinks Error Code (Full-HD)
Trouble Mode
SC Energy Recovery Circuit
Defective Board
SC, A, SU,SD, and Loose connections
Warning: Disconnect AC Power prior to making any disconnection or connection.
LIST OF MODELS:
TC-P42S1 TC-P42G10 TC-P42U1 TC-P42U1 TC-42PS14 TC-P46S1 TC-P46G10
TC-P46U1 TC-P50S1 TC-P50G10 TC-P50U1 TC-P50V10 TC-50PS14 TC-P54S1 TC-54G10
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #45
6 Blinks Error Code (Full-HD Models) Flowchart
No
Verify that all the cables plugged in to the SC and SS boards are properly seated. Also check the ribbon cables and connectors on the A and C boards. Unplug the TV and disconnect connector SC20 on the SC board and the ribbon cable between connector C10 on the C1 board and
connector C20 of the C2 board. Plug in the TV and turn it on
Yes Did the number of blinks
change?
Is the power LED
still blinking?
Replacethe A board6 blinks8 blinks
6 blinks
8 blinks
Replace the Aboard
No Yes
Replace the SS
Start Here
LIST OF MODELS TC-P42S1 TC-P42G10 TC-P42U1 TC-P42U1 TC-42PS14 TC-P46S1 TC-P46G10
TC-P46U1 TC-P50S1 TC-P50G10 TC-P50U1 TC-P50V10 TC-50PS14 TC-P54S1 TC-54G10
Unplug the TV and reconnect connector SC20 and the ribbon cable between the C boards. Disconnect
connector SS33 on the SS board. Plug in the TV and press the power switch
Replacethe SC board
Unplug the TV and reconnect connector SS33 on the SS board. (Follow the SU/SD boards isolation procedure shown on slides 17~19). Plug in the TV
and press the power switch
Does the TV power
up andstay on?
NoYes
The SU board or/and the SD boardcan be defective. Follow
procedure on slides 17~21 to determine which of the 2 boards
is defective.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #46
Warning: Disconnect AC Power prior to making any disconnection or connection.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Remove the front cabinet and expose the panel to a bright light for a thorough visual inspection. Check for cracks and blown pixels or any other abnormalities.
Check the ICs on the SU and SD boards for blown hole on the surface.Note: In some models it is not possible to check if these ICs are blown because they use surface-mount heat sinks that are glued to the surface of the ICs.
Trouble mode Defective Boards (Possibility)
SC Floating Section SOS SU, SD, SC, A, P, & Panel
7 Blinks Error Code (1 of 4)
LIST OF MODELS:
All 2009 Models
Slide #47
Board Result
SU OK
SD OK
SC OK
Board Result
SU Bad
SD OK
SC OK
Board Result
SU OK
SD Bad
SC OK
Board Result
SU OK
SD OK
SC Bad
Board Result
SU Bad
SD Bad
SC OK
Board Result
SU Bad
SD OK
SC Bad
Board Result
SU OK
SD Bad
SC Bad
Board Result
SU Bad
SD Bad
SC Bad
A B C DA B C D
Follow this procedure if the SU board and/or the SD board are bad while the SC board measures OK
Follow this procedure if the SU board and/or the SD board are bad while the SC board is also bad
Follow this procedure if only the SC board is bad
Follow this procedure when all 3 boards check OK
Replace the SU, SD, and SC boards
Replace the SC board.
Go to the next slide
Go to the Slide #16
1. Remove the front cabinet and check for cracks and blown pixels. (For front cabinet removal procedure go to slide 24). 2. Check the ICs on the SU and SD boards for blown hole on the surface. (Go to slide 25 to see pictures)3. Perform the SU, SD, and SC boards resistance test procedure shown on slides 26~31. Match the result with one of the
following boxes (A~D) and follow the instructions at the bottom of the page.
Start Here
7 Blinks Error Code (2 of 4)If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #48
YesReplace the SU, SD, and SC boards
Follow the SU/SD boards isolation procedure shown on slides 18, 19, and 20. Plug in the TV and press the power
switch
NoReplace the SU
and the SD boards.
Does the TV shut down and the power
LEDblink 7 times?
AStart Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
7 Blinks Error Code (3 of 4)
Slide #49
D
Yes
Yes
Replace the A board.
No
With the SU board and the SD board still disconnected, remove connector SC20 from the SC board. Plug in the
TV and turn it on.
Did the number of
blinks change?
Follow the SU/SD boards isolation procedure shown on slides 18, 19, and 20. Plug in the TV and press the power
switch
Any other number of blinks besides 10 and 6.
6 times
10 times
Replace the SC board.
Does the TV shut down and the power
LEDblink 7 times?
7 times
Start Here
No
Replace the SU and the SD
boards.
Replace the SC and the A
boards.
Unplug the TV and reconnect connector SC20 and the SU and SD boards. Measure the resistance between pin 1 of P2/SC2
or P11/SS11 (Vsus) and ground.
Is there a short circuit?
Yes NoUnplug SS11 and measure the resistance between pin 1 of SC2/P2 (Vsus) and ground.
Is there a short circuit?
YesNo
Replace the SSAnd SC boards
Replace the SCand A boards
Replace the Pand SC boards
Caution: If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Warning: Disconnect AC Power prior to making any disconnection or connection.
7 Blinks Error Code (4 of 4)
Replace the SC board. LED stays ON TC-P42X1
Slide #50
8 Blinks Error Code (HD Models)
SS_Flexible Printed Circuit (FPC)_Detect (SOS8_SS) (TC-P42X1)
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #51
8 Blinks Error Code (HD Models)
50 HD
42 HD
Trouble Mode
Driver SOS3/SS_FPC_Detect
Defective Board
SS, A, SS2, P, and Loose connections
42 HD Models (TC-P42X1 - TC-P42C1 TC-42PX14) Make sure that connectors SS61, SS64, and SS21 on the SS board and connectors SS24, and SS58 on the SS2 board are properly seated.
50 HD Models (TC-P50X1 - TC-P50C1 TC-50PX14) Make sure that connectors SS53, SS55, SS56, and SS21 on the SS board and connectors SS24, and SS58 on the SS2 board are properly seated.
Note: D285 (D16285 on the Service Manual) is located approx. of an inch away from the left side of connector SS22.
ANODE
CATHODES
D285(D16285)
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #52
8 Blinks Error Code (HD Models) Flowchart
No Yes
Verify that all the flex-cables between the panel and the SS/SS2 boards are properly seated and the connectors are properly locked. Unplug the TV and disconnect connector SS23 from the SS board. Plug in the TV and turn it on
Does the TV power
up andstay on?
Replacethe A board
Unplug the TV and reconnect SS23. Remove the ribbon cables from connector A31, A32, and A20
on the A board. Plug in the TV and turn it on
No YesDoes the TV power up and
stay on with the SC LED on?
Replacethe P board
Note: Before replacing the panel,double check all the flex-cables between
the panel and the SS/SS2 boards.Make sure they are properly seated and that the connectors are properly locked.
Unplug the TV and reconnect SS23. Use a volt-meter and place the positive probe on the anode of D285 on the SS board (See
previous slide for location), while the negative probe is grounded.
Yes No Is there
approx. 7.2V at the anode of D285 on
the SS board?
Replacethe panel
ReplaceSS board
LIST OF MODELS: TC-P42X1 TC-P42C1 TC-42PX14 TC-P50X1 TC-P50C1 TC-50PX14
No YesDid the
number of blinks
change to 6 or 7 blinks? Replace
the A board8 blinks
Start Here
CAUTION: The TV power should not be turned on while SC2 is disconnected. This could damage the SS board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #53
8 Blinks Error Code (Full HD Models)If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #54
8 Blinks Error Code (Full-HD Models)
Trouble Mode
Driver SOS3/SS_FPC_Detect
Defective Board
SS, A, SS2, P, and Loose connectionsWarning: Disconnect AC Power prior
to making any disconnection or connection.
46 Full HD Models (TC-P46S1 - TC-P46G10 - TC-P46U1). Make sure that connectors SS61, SS63, SS64, and SS21 on the SS board and connectors SS24, and SS58 on the SS2 board are properly seated.
42 Full HD Models (TC-P42S1 - TC-P42G10 TC-P42U1 TC-42PS14). Make sure that connectors SS61, SS64, and SS21 on the SS board and connectors SS24, and SS58 on the SS2 board are properly seated.
50 and 54 Full HD Models (TC-P50S1 TC-P50G10 TC-P50U1 TC-P50V10 TC-50PS14 TC-P54S1 TC-54G10). Make sure that connectors SS53, SS55, SS56, and SS21 on the SS board and connectors SS24, and SS58 on the SS2 board are properly seated.
42 FHD 46 FHD 50 & 54 FHD
Note: D280 (D16280 on the Service Manual) is located less than inch away from the right side of connector SS33
D280 CATHODE
ANODE
(D16280)
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #55
8 Blinks Error Code (Full-HD Models) Flowchart
No Yes
Yes No
Verify that all the flex-cables between the panel and the SS/SS2 boards are properly seated and the connectors are properly locked. Unplug the TV and disconnect connector SS33 from the SS board. Plug in the TV and turn it on
Does the TV power
up andstay on?
Is there approx. 4V at the anode of D280 on the SS board?
At this point there are 2 possibilities, The SS board and the panel. The SS board is by far the number 1 suspect.To determine which of the 2 is causing the problem:
Disconnect the TV. Use a volt-meter and place the positive probe on the anode of D280 on the SS board (See previous
slide for location), while the negative probe is grounded. Plug in the TV and turn it on
Replacethe A board
Replacethe SS board
Replacethe panel
Unplug the TV and reconnect SS33. Remove the ribbon cables from connector A31, A32, and A33
on the A board. Plug in the TV and turn it on
No YesDoes the TV power up and
stay on with the SC and SS LED
on?Replace
the P board
No YesDid the
number of blinks
change to 6 or 7 blinks?
8 Blinks
Replacethe A board
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #56
9 Blinks Error Code
Trouble Mode
Panel Status/Communication
Defective Board
A Board
Replace the A board.
Warning: Disconnect AC Power prior to making any disconnection or connection
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #57
10 Blinks Error Code (HD Models)
Trouble Mode
F-STB15V, SUB9V, SUB5V, BT30V
Defective Board
A, P, Loose connections
Warning: Disconnect AC Power prior to making any disconnection or connection.
Make sure that connectors P6/A6 is properly seated
IMPORTANT: Unlike previous generations, theres no 10 blinks error code at plug-in for 2009 models. When the A board is replaced, the TV turns on in aging mode by itself at plug in.
What can possibly cause 10
blinks
A. Missing/Shorted F_15V
B. Shorted Vsus
C. Missing/Shorted SUB5V, SUB9V, BT30V.
D. IC1100, IC9003, IC9004
E. Possibly SU and SD boards
AB B
C
DD
D
C
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #58
10 Blinks Error Code (HD Models) Flowchart
LIST OF MODELS: TC-P42X1 TC-P42C1 TC-42PX14 TC-P50X1 TC-P50C1 TC-50PX14
Note 1: If the TV does not turn on at all, unplug it and
leave it unplugged for 3 minutes.
Plug in the TV and press the power switchUnplug SS11 and
measure the resistance between pin 1 of SC2/P2
(Vsus) and ground.
Unplug the TV. Measure the resistance between pin 1 of P2/SS2 or P11/SS11 (Vsus) and ground.
Is there a short circuit?
Yes No
Is there a short circuit?
YesNo
Replacethe SS board(See Note 2)(See Note 3)
Unplug SC2 and measure the
resistance between pin 1 of P2/P11
(Vsus) and ground.
Is there a short circuit?
YesNo
Replacethe SC board(See Note 2)(See Note 3)
Replacethe P board
Is there 15V at pin 7 of
connector P6 at the moment
the relay clicks ?
NoYes
Replacethe A board
Note 2: If the SS or SC board fail repeatedly with shorted Vsus, replace the A board also.
Disconnect the TV and unplug connector A1. Plug in the TV. Ground pin 8 of connector A1
momentarily.
Replacethe P board
Yes NoDoes the TV power
up andstay on?
Replacethe K board
Note 3: If after replacing the SS or SC board the blinking pattern changes, replace the A board also.
Start Here
CAUTION: The TV power should not be turned on while SC2 is disconnected. This could damage the SS board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #59
10 Blinks Error Code (Full-HD Models)
Trouble Mode
F-STB15V, SUB9V, SUB5V, BT30V, Shorted Vsus
Defective Board
SS, P, A, SC, SU, SD, KWarning: Disconnect AC Power prior to
making any disconnection or connection.
Make sure that connectors SC20/A33, SC2/P2, P6/A6 are properly seated
What can possibly cause 10 blinks
A. Missing/Shorted F_15V
B. Shorted Vsus
C. Missing/Shorted SUB5V, SUB9V, BT30V.
D. IC1100, IC9003, IC9004
E. Unplugged SC20, SC2
F. Possibly SU and SD boards
AB B
C
DD
D
E
E
C
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #60
10 Blinks Error Code (Full HD Models) Flowchart
Leave SS11 and SS33 unplugged. Remove connectors SC2, SC20 on the SC board. Then
plug in the TV and press the power switch
Unplug the TV and remove connectors SS11 and SS33 from the SS board. Plug in the TV and press the power switch
Does the TV power up and
stay on?
NoYes Note: If the TV does not turn on at all, unplug it and leave it unplugged for 3 minutes.
Replacethe SS board(See Note 2)
Did the number of
blinks change?
NoYes
Replacethe SC board
Unplug the TV and reconnect connectors SC2, SC20, SS11, and SS33. (Follow the SU/SD
boards isolation procedure shown on slides 17~19). Plug in the TV
and press the power switch
Does the TV power
up andstay on?
NoYes
Unplug the TV and reconnect connectors SS11, SS33, SC2, and SC20. Plug in the
TV and press the power switch
NoYes
Replacethe P board
LIST OF MODELS TC-P42S1 TC-P42G10 TC-P42U1 TC-P42U1 TC-42PS14 TC-P46S1 TC-P46G10
TC-P46U1 TC-P50S1 TC-P50G10 TC-P50U1 TC-P50V10 TC-50PS14 TC-P54S1 TC-54G10
6 blinks
10 Blinks
Replacethe A board
Disconnect the TV and unplug connector A1. Plug in the TV. Ground pin 8 of connector A1 momentarily.
Yes NoDoes the TV power
up andstay on?
Replacethe K board
Any other
blinking code
Replacethe A board
Note 2: If the SS or SC board fail repeatedly with shorted Vsus,
replace the A board also.
Is there 15V at pin 7 of
connector P6 at the moment
the relay clicks ?
Start Here
The SU or/and the SD Boards can bedefective. Follow procedure on
slides 17~21 to determine whichof the 2 boards is defective.
No
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #61
11 Blinks Error Code (Full-HD Models Only)
Trouble Mode
Fan SOS
Defective Board (Possibility)
Fans, A Board, ConnectionsNOTE A: Use a piece of wire, the size of a watt resistors leads as a jumper.
Fan Connector
FanConnector
Unplug the TV and disconnect the connector from Fan A. Place a jumper wire (NOTE A) between the
center pin (Black wire) and the pin with the yellow wire on the black plug. Plug in the TV and press the
power switchA B
Does the TV power
up andstay on?
NoYes
ReplaceFan A
Unplug the TV and reconnect Fan. Disconnect the connector from Fan B. Place a jumper wire (NOTE A) between the center pin (Black wire) and the pin with the yellow wire on the black plug. Plug in the
TV and press the power switch
Does the TV power
up andstay on?
NoYes
ReplaceFan B
ReplaceThe A board
JUMPER WIRE
FAN CONNECTOR
BLACK PLUG
Warning: Disconnect AC Power prior to making any disconnection or connection
Make sure that connector A30 is properly seated
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #62
12 Blinks Error Code Flowchart
Unplug the TV and disconnect connectors A11 and A12 from the A board (See picture on the left). Plug
in the TV and press the power switch
Does the TV power
up andstay on?
NoYes
If the speakers wiresare not pinched,
Replacethe speaker
Replacethe A board
Trouble Mode
Audio SOS
Defective Board (Possibility)
A Board, Pinched speaker wire, Speaker
Warning: Disconnect AC Power prior to making any disconnection or connection
Start Here
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #63
13 Blinks Error Code
Trouble Mode Defective Board (Possibility)
A Board
Warning: Disconnect AC Power prior to making any disconnection or connection
Communication Error betweenIC8001 and IC1100
Replace the A board
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch on the TV for a few seconds until the LED turns off.
Slide #64
No Power Flowchart
Do the AC relaysclick after pressing the
power switch?
Do the relays click?
If connectionsbetween A31
and C11 are OK,replace the
C1 boardReplaceThe P board
ReplaceThe GK board
Yes
Yes
Yes
Yes
Yes
No
No
No
Trouble Mode
Dead/No power
Defective Board (Possibilities)
P, A, C1, K, S
Place your voltmeter on pin 11 of connector P25 and press the power switch
Unplug the TV and remove connectors P6 and P25 on the P board and C11 on the C1 board. Connect
the TV and press the power switch.
Unplug the TV and remove the
metal plate covering the A
board.Reconnect the TV
Unplug the TV and reconnect P6 and P25
only. Plug in the TV and press the power switch
Unplug the TV and reconnect C11. Disconnect C14 on the C1 board and plug in the TV.
Press the power switch
It the TV turning on with onlyhalf of the screen
working?
No
No
Do the relays click?ReplaceThe A board
Is there 3.2V present?Yes NoReplace
The P board
If connections between P25 and A25 are OK,replace the A board
Is there 5Vat pin 13 of connector
A6 at plug in?
YesNoIf connections between A6 and P7 are OK,
replace the P board
Does the voltage at pin 8 of A1
changes from 4.7V to 0Vwhen the TVs power switch
is pressed?
Yes No
ReplaceThe A board
If connectionsbetween A1
and K1 are OK,replace the
K and S boards
Is there 3.2Vat pin 6 of connector P7 onthe P board when the power
button is pressed?
Start Here
Slide #65
Service ModeTo Enter the Service Mode:
While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
How to exit:Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
Key command[1] button...Main items Selection in forward direction[2] button...Main items Selection in reverse direction[3] button...Sub items Selection in forward direction[4] button...Sub items Selection in reverse direction[VOL] button...Value of sub items change in forward direction ( + ), in reverse direction ( - )
Slide #66
Self Check1. Checks the communication IIC bus lines
To Access the Self-Check Mode: Turn the TV on and while pressing VOLUME ( - ) button on the main unit, press the OK button on the remote control for more than 3 seconds.
To Access the Self-Check Mode: Turn the TV on and while pressing VOLUME ( - ) button on the main unit, press the OK button on the remote control for more than 3 seconds.
To Exit the Self-Check Mode: Press and hold the Power button on the TV for 5 seconds or disconnect the AC cord from the wall outlet.
To Exit the Self-Check Mode: Press and hold the Power button on the TV for 5 seconds or disconnect the AC cord from the wall outlet.
TV volume down & OK on remote only does a basic IC self check. It does NOT clear any unit settings.It does not clear channel programmed settings, picture settings, channel labels, LOCK mode settings, or password.Using this method, it shows the unit firmware version (Peaks 1.050 and GenX 1.00) and it checks IC communications ONLY.This is more useful to identify the firmware version without having to decode the info in the setup menu About/Version screen.
Slide #67
Reset Procedure
Reset forces the TV to factory shipment setting.To reset the TV:Press and hold the VOLUME ( - )button on the TV and press the MENU button on the remote control for more than 3 seconds.
Note: All customer programmed parameters will be erased.
To Exit:Disconnect the AC cord from wall outlet.
Slide #68
1. Press the Menu button
2. Select Setup (Go to the 2nd page)
3. Select About
4. Select Version
The first 5 numbers out of the two 5-digits groups to the right of Status2 are used to determine the SOS history.
SOS HistoryA history of SOS occurrences can be found under the Version Menu.
0 0 0 0 0Latest last before
lastAfter
shipping, Sec. times
After shipping, First. times
1 2
3
4
To Enter:
Slide #69
Diagnostic Method for Troubleshooting PDP Television
1. There are two kinds of picture problem
1) Abnormal picture
2) No picture
2. Basic concept of determining the defective board
1) Which area is the symptom displayed on the screen?
A. Part of the screen
B. All over the screen
3. Adjustment after PCB exchange
1) After exchanging the following boards, voltage adjustment is required.
P board, SC board, SS board => Please refer to Service Manual.
Slide #70
Picture Problem Troubleshooting
Where isthe symptom
displayed?
*Note :Panel gas leakage
Because of a very small crack in the panel, gas leakage will start.In this picture, gas leakage started at the left top corner.Finally, gas leakage will lead to the symptom No picture with buzz noise.
Start
Upper or Lower half(from front view)
Upper half
Lower half
Both area
SU Board (or A, or SC)
SD Board (or A, or SC)
SC Board (or A)
Right half
Left half
Left or Right half(from front view)
A Board (or C1, or Panel)
A Board (or C2, or Panel)
Some part of the screen
Slide #71
The End
Slide Number 1Slide Number 2Table of ContentIntroductionHD boards Layout (TC-P42X1)Full-HD boards Layout (TC-P42S1)Full-HD Connectors Location (TC-P42S1)Troubleshooting Shutdown ProblemsPower LEDs Response to Shutdown OperationShutdown Detect Block DiagramHD Panel Drive SOS Detect Block Diagram (TC-P42X1)Full-HD Panel Drive SOS Detect Block Diagram (TC-P42S1)Power LEDs Response to Connectors Removal (42 HD Models)Power LEDs Response to Connectors Removal (42 HD Models)Power LEDs Response to Connectors Removal (50 HD Models)Power LEDs Response to Connectors Removal (Full HD Models)Power LEDs Response to Connectors Removal (Full HD Models)SU and SD Boards Isolation ProcedureProcedure to Isolate both SU & SD at the Same TimeProcedure to Isolate both SU & SD at the Same TimeSU Board Isolation ProcedureSD Board Isolation ProcedureHow to Easily Gain Access to the SS boardFront Cabinet RemovalSU and SD Boards Visual InspectionSU,SD, and SC Boards Resistance Test ProcedureSU Board Resistance Test (All Models)SD Board Resistance Test (All Models, Except TC-50PX14, TC-P50C1, TC-P50X1)SD Board Resistance Test ( Models: TC-50PX14, TC-P50C1, TC-P50X1)SC Board Resistance Test (All Models, Except TC-50PX14, TC-P50C1, TC-P50X1)SC Board Resistance Test ( Models: TC-50PX14, TC-P50C1, TC-P50X1)1 Blink Error Code2 Blinks Error Code (All Models)2 Blinks Error Code (All Models)3 Blinks Error Code4 Blinks Error Code5 Blinks Error Code5 Blinks Error Code (All Models)5 Blinks Error Code (All Models)5 Blinks Error Code Continue6 Blinks Error Code (HD Models)6 Blinks Error Code (42 HD Models) Flowchart6 Blinks Error Code (50 HD Models) Flowchart6 Blinks Error Code (Full-HD)6 Blinks Error Code (Full-HD Models) Flowchart7 Blinks Error Code (1 of 4)7 Blinks Error Code (2 of 4)7 Blinks Error Code (3 of 4)7 Blinks Error Code (4 of 4)8 Blinks Error Code (HD Models)8 Blinks Error Code (HD Models)8 Blinks Error Code (HD Models) Flowchart8 Blinks Error Code (Full HD Models)8 Blinks Error Code (Full-HD Models)8 Blinks Error Code (Full-HD Models) Flowchart9 Blinks Error Code10 Blinks Error Code (HD Models)10 Blinks Error Code (HD Models) Flowchart10 Blinks Error Code (Full-HD Models)10 Blinks Error Code (Full HD Models) Flowchart11 Blinks Error Code (Full-HD Models Only)12 Blinks Error Code Flowchart13 Blinks Error CodeNo Power FlowchartService ModeSelf CheckReset ProcedureSOS HistoryDiagnostic Method for Troubleshooting PDP TelevisionPicture Problem TroubleshootingThe End