No. 52079Nov. 2002
AV-20NX3
BASIC CHASSIS
CH
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
SCHEMATIC DIAGRAMSCOLOUR TELEVISION
CD-ROM No. SML200212
MUTING
OFFTIMER
ECOSENSOR
PICTUREMODE
CHANNELSCAN
TV
RM-C1014
SYSTEMCOLOUR SOUND
MENU
CHANNEL
RETURN+
POWER
DISPLAY
TV/VIDEO
VOLUME
1 2 3
4 5 6
7 8 9
0 -/--
CINEMASURROUND
RM-C1014-1H
AV-20NX3
AV-20NX3
q NOTE ON USING CIRCUIT DIAGRAMS1. SAFETY
The components identified by the symbol and shading arecritical for safety. For continued safety replace safety criticalcomponents only with manufactures recommended parts.
2. SPECIFIED VOLTAGE AND WAVEFORM VALUESThe voltage and waveform values have been measured under thefollowing conditions.
(1) Input signal : Colour bar signal(2) Setting positions of each knob/button and variable resistor
: Original setting position whenshipped
(3) Internal resistance of tester : DC 20kØ/V(4) Oscilloscope sweeping time : H ⇒ 20µS/div
: V ⇒ 5mS/div: Others ⇒ Sweeping time is
specified.(5) Voltage values : All DC voltage values
9Since the voltage values of signal circuit vary to some extent ac-cording to adjustments, use them as reference values.
3. INDICATION OF PARTS SYMBOL [EXAMPLE]• In the PW board : R1209 → R209
4. INDICATIONS ON THE CIRCUIT DIAGRAM(1) Resistors•Resistance value
No unit : [Ø]k : [kØ]M : [MØ]
•Rated allowable powerNo indication : 1/16 [W]Others : As specified
• TypeNo indication : Carbon resistorOMR : Oxide metal film resistorMFR : Metal film resistorMPR : Metal plate resistorUNFR : Non-Flammable resistorFR : Fusible resistor
9Composition resistor 1/2 [W] is specified as 1/2S or Comp.
(2) Capacitors•Capacitance value
1 or higher : [pF]less than 1 : [µF]
•Withstand voltageNo indication : DC50[V]AC indicated : AC withstand voltage [V]Others : DC withstand voltage [V]
9 Electrolytic Capacitors47/50[Example] : Capacitance value [µF]/withstand voltage[V]
• TypeNo indication : Ceramic capacitorMY : Mylar capacitorMM : Metalized mylar capacitorPP : Polypropylene capacitorMPP : Metalized polypropylene capacitorMF : Metalized film capacitorTF : Thin film capacitorBP : Bipolar electrolytic capacitorTAN : Tantalum capacitor
(3) CoilsNo unit : [µH]Others : As specified
(4) Power Supply
: B1
: B2(12V)
: 9V
: 5V
9Respective voltage values are indicated
(5) Test point
: Test point
: Only test point display
(6) Connecting method: Connector
: Wrapping or soldering
: Receptacle
(7) Ground symbol
: LIVE side ground
: ISOLATED(NEUTRAL) side ground
: EARTH ground
: DIGITAL ground
5. NOTE FOR REPAIRING SERVICEThis model’s power circuit is partly different in the GND. The differenceof the GND is shown by the LIVE : ( ) side GND and theISOLATED(NEUTRAL) : ( ) side GND. Therefore, care must be takenfor the following points.
(1) Do not touch the LIVE side GND or the LIVE side GND and theISOLATED(NEUTRAL) side GND simultaneously. If the above cau-tion is not respected, an electric shock may be caused. Therefore,make sure that the power cord is surely removed from the recepta-cle when, for example, the chassis is pulled out.
(2) Do not short between the LIVE side GND and ISOLATED(NEUTRAL)side GND or never measure the LIVE side GND andISOLATED(NEUTRAL) side GND at the same time with a measur-ing apparatus ( oscilloscope, etc.). If the above precaution is notrespected , a fuse or any parts will be broken.
• Since the circuit diagram is a standard one, the circuit and cir-cuit constants may be subject to change for improvement with-out any notice.
Nov. 2002 No. 52079
STANDARD CIRCUIT DIAGRAMAV-20NX3
AV-20NX3
2-2 No.52079
E
C
B
OUT
E
IN
E C BE C
(G)(D)(S)B
IN E OUT
E C B E
C
BE C B
CHIP TR
TOP VIEWBOTTOM VIEW FRONT VIEWTRANSISTOR
TOP VIEWBOTTOM VIEW FRONT VIEWIC
TOP VIEWCHIP IC
1 N
1 N
1 N
1
NN
N
N
N
1
SEMICONDUCTOR SHAPES
CONTENTSSEMICONDUCTOR SHAPES ................................................................................................................................. 2-2
BLOCK DIAGRAM .......................................................................................................................................................... 2-3
CIRCUIT DIAGRAMSMAIN PWB CIRCUIT DIAGRAM (1/3) ............................................................................................................................. 2-5MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) ................................................................................................................... 2-7
PATTERN DIAGRAMSMAIN PWB PATTERN ......................................................................................................................................................... 2-9MAIN PWB (CRT SOCKET) PATTERN ......................................................................................................................... 2-11
J801VIDEO-1INPUT
T551
FBT
B1
FOCUS1
IC702EEPROM
TU001TUNER
VIDEO
AUDIO L/MONO
AUDIO R
IF
RGB DRIVE
SCLSDA
Cout1
MAIN (CRT SOCKET)
IC401VERT OUT
J802,J803COMPONENT
(VIDEO-2)INPUT
CB
CR
AUDIO R
J771-J773FRONT IN(VIDEO-3)
VIDEO
AUDIO L/MONO
AUDIO R
J804OUTPUT
AUDIO L
AUDIO R
VOL+
REMOCONRECEIVER
VOL- CH+ CH- MENU
POWERLED
Q522H. OUT
SCREEN
EHV
V
H
DY01DEF YOKE
SPL
SPR
SCL1SDA1
V/Y
SCLSDA
AUDIO L/MONO
VIDEO OUTCF106
4.5 TRAPBUF
Yout1
CB
CR
BUF
IC650AUDIO AMP
AC INF901
POWER SW
D901RECT
T901SW
TRANSF.
IC974REG
L951
5V
8V
9V
32V
IC951ERROR
AMP
PC901VOLTAGE
FEEDBACK
IC901POWER
REG
MAIN PWB
SCL,SDA
10
8
7
3
1
V1-V
V1-L
V1-R
V2-Y
V2-V IC801VIDEO SW
29,30
V2-L
V2-R4
2
37
36
35
Vout2
Lout2
Rout2
43
44
42
V3-V
V3-L
V3-R
25
27
MTV-R
MTV-L
15
14
MTV-V13
Lout126
Rout124
Q111 Q109
47
48
46
Y
U
V
7 10,64
43
42
CIN
CVBS/YIN
62,63
2,3
IF IN224
IF IN123
SIF IN229
SIF IN128
IC701V/C DEF.
PROCESSOR
5,6
51ROUT
52GOUT
53BOUT
35QSS OUT
21,22VDRB(-)VDRA(+)
33HOUT
38IF VOUT
R
G
B
7
12
5
2
L, R
KEY_IN
REMOTE, LED
S901
IC9723.3V REG
3.3V_STB
J770HEADPHONE
JACK
19Yin1 Vout1
23
V01
BUF
BUFBUF
Q136
Q130
CF1416.0 FILTER
SCLSDA
1011Q137
1
30
8
23
CF1405.5 FILTER
CF1426.5 FILTER
BUF BUF
Q108 Q104
BUF
Q132
SF101SAW FILTER
SF102SAW FILTER
(SIF OUT)
IC130SOUND FMDETECTOR
IC602SOUND
PROCESSOR(3D SURROUND
& VOL/TONE)
CF1304.5 FILTER
AV-20NX3AV-20NX3
BLOCK DIAGRAM
No.520792-4No.52079 2-3
D655
Q804
IC601
X601
C824C825
C606
R837
C750
R838
C820
C823
C821
Q684
C813
R840
R839
C826
R832
R833
C611
C610
C108
C822
R836
C831
C830
C829
D656
C650
C652
IC602
C642
C651
Q703
Y101
Y005
R826
ABL
R803
R841
CN00T
R842
D818
D817
C105
IC130
D101
D733
R745
R708
C811
R707
Q150
R151
R153
R150
R152
C770 R783
R806
R154
C625
C626
R695
C151
C641
C150
R689
R688
CN00C
J801
J803
C639
R626
C685
J802
C686
R655
Y601
R820
R823
C805
R651
C682
R819
R817
C630
R815
Q683
R691
R304
Y301
R624
Q686
R315
Q687
Q685
R305
R744
C827
C644
R690
C638
R155
R845
C612
C615
C139
C613
C616
R149
R625
Q306
Q138
R627
C311
Y730
R313
Q305
R844
C631
C807
IC650
C681
J804
R693
C308
C801
R696
C684
CN01A
R802
C683
W-H1 W-H2
J804
W-B2
R303
J804
R301
C834
C808
R316
C802
W-B1
R302
J802
C814
C806
R312
CN01D
C617
C620
C619C621
C622
R801
R602
C602
C604
C640
C833
L601
C603
R603
R604
L602
C809
Q301
Y001
Y002
R804
Y003
H_DRIVE
C660
C730
C629
R725
R719
C109
C812
Q103
IC701
R843
CN00A
Q861
R006
R712
IC801
Q862
C810
CN00D
R664
L732
R306
Y604
R834
R650
Y102
R692
D682
R835
C628
C817
C815
C601
Q661
R849
R805
R807
Q660
C645
R658
C661
C605
C637
C142
C141
C140
C143R147
R148
C144
R662
R661R660
C137
C138
C136
C135
C755
R848
R146
C134
R143
R144
R145
C132
Q137R142
C133
Q136
Q132
R141
R139
R140
C131
R135
R134
R132
C130
CF140
CF141
CF142
R821
C663
C819
R785
R824
R659
Y603
R883
Q770
R830
S784R138
R137
Q134
Q130
Y130
CF131 CF130
R131
S783
R831
Q131
Q803
R130
Q135
Q108
R829
HFB
R778
Q688
Q801
Q109
Q802
Y602
R694
R818
R813
R119
Q110
R809
R811
R808
R810
CF106
R120
R121
R117
CN001
R113
D804
D803C803
R115
R111
C804
R112
R116
R812
R114
C313
Q106
Q111
CF104
CF105
CF103
Q107
Q104
L103
L102
D805L104
Q105
TU001
C101
C107
C104
C106
C103
C102
R102
R103
R104
R105
R106
R107
R108
Q307
Q101
L101
SF102
SF101
Q302
Q102
R110
R784R782
R701
C005
C006
D760
R004
R003
C001
C002
L001
R780
J772
CN00F
R101
R007
R136
Q133
R772
J773
J770
R774
IC760D771
R781R777
R760
R710
IC702
R709
R713
C761
R882
D816
S782S781
D770
C760
R775
S780
R776
J771
R773
R771
R770
C636
C635
C715
C632
C633
C634
R314C312
R622R621
C310
C714
Y104
K101
R663
R733
L730
C707
C732
C736
C740
C733
C731
X701
Q702
R716
R717
Q701
R715R714
L701
D702
D801
D802
R747
L731
D730
D731
C743
C742
K103
R880
K104
K105
K106
K108
R005
C726
D704R881
D807
R846
D808
R686
R687
D815
R769
D820
C748
R847
D819
R786
Y606
C713
C710
R746
C614
R743
Y103
K601
R726
R727
R728
R779
C720R720
Q720
R698
Y004
R699
Q860
R74
9
C60
7
R74
8
C60
8
C60
9
R74
2
C65
5
C65
6
D73
2
R74
1C70
6
R74
0
R73
9R
738
C71
1
EW
C74
7
C74
6 C74
5
C75
1
D65
2
D65
3
C75
2
C75
3
R75
0
C65
9
Y70
1
C72
5
VD
RB
_
VD
RA
+
C70
5
R71
8
R75
6 R75
5
R75
8
R75
7
3.3V
_ST
B
R71
1
C66
2
R65
4
R72
4
R72
3
R72
2
R72
1
C75
6
R13
3
A.G
ND
5V_S
TB
A.V
CC
P_O
N/O
FF
R73
0
R10
9
PR
OT
EC
T
R70
2
R70
3
R70
6R70
4
C00
7
R00
2
R00
1
C00
3
C00
4L0
02
5V
32V
R73
4
9V
R70
5
C74
1
8V
R72
9
C70
1
R73
1
R73
2
K70
1L702
C70
4
C70
3
C73
4
C73
5
C73
8
C73
7 C73
9
C74
9R
737
R73
5R
736
C74
4
D70
3
D76
1
C70
9
C70
2
QRK126J-121X
NCF31AZ-105X
NCF31AZ-105XQRE121J-221Y
QRE121J-221Y
NJW1138M-X
FMC2A-X
QJL001-065631
M52342SP
1SS268-X
NCB31EK-104X
QGA2501C5-06Z
QNN0349-001
QNN0348-001
NCF21CZ-105X
DTC323TK-XMUTING
MUTING
DTC323TK-XMUTING
NCB31EK-104X
NCB31EK-104X
80%
AN5276
QNN0349-001
CH
80%
QNN0349-002
MY
NCB31EK-104X
80%
MM1492AF
80%
QQL244J-5R6Z
80%
80%
QAX0695-001Z
QRE121J-2R2Y
QSW0619-003ZQSW0619-003Z
DTC323TK-XDTC323TK-X
DTC323TK-X
QGA2501C5-04Z
NDC21HJ-180X
2SC5083/L-P/-T
QQLZ014-R82
QAX0731-001
QAX0325-001
SLR-342VR-T16
TF
CE42050-001Z
QNN0282-002
QGA2501C5-03Z
QRE121J-271Y
QNN0282-001
QNS0155-001
GP1UM281QKP1241-04
AT24C08-21WS3
QSW0619-003ZQSW0619-003ZQSW0619-003Z
QNN0282-003
QRE121J-271Y
QAX0737-001
QQL244K-100Z
MA3024-X
MA3120/M/-X
MA3120/M/-X
QQL244J-5R6Z
QQR1113-001Z
QQR1113-001Z
QQR1113-001Z
QQR1214-001Y
MA3033-X
MA3100/M/-X
MA3100/M/-X
QE
HQ
1VM
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QE
HQ
1VM
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MA
3330
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SW1
R2
L2
L1
Y1
REMOTE
SCL
LED
SDA
KEYIN
VOUT2
SW1
ROUT1
LOUT1
LOUT2
B.MUTE
L2
ROUT2
R1
R1
Y2
CR
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CR
AUDIO_R
V1
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A_OUT_L
R2
COUT1
YOUT1
SCL
VOUT2
SDA
CB
ECO
CB
ROUT2
V
AUDIO_L
VIDEO
LOUT2
C1
V1
SD
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L
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OT
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MO
TE
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VD
RB
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LED
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RA
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SD
A
NOTEXIST
I/OTH
A MUTE
1K 1/16W
QAU0185-005
0.01/504701/16W
470 1/16W
QAX0696-001Z
QAX0697-001Z
0
X
0
X QAX0642-001Z 4.5MHz BPF
QQL24K-180Z
470 1/16W1K 1/16W
∗4
QAX0639-001Z
10K 1/16W
TDA9386N22S0866
∗5
∗6
∗6
∗2
∗4
∗1
∗1
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∗4
∗6
∗4
∗4
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∗4
∗6
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∗2
∗2
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∗2
∗6
∗6
∗4
∗6
∗1
∗1
∗6
∗2
∗2
∗6
∗6
∗6
∗1
∗6
∗6
CIRCUIT DIAGRAMS
AV-20NX3
No.52079
AV-20NX3
2-5No.52079 2-6
MAIN PWB CIRCUIT DIAGRAM (1/3)
UN2212-X
∗6: 2SB709A/QR/-X
2SD601A/QR/-X
0: NRSA63J-0R0X
∗1: ∗2: MA111-X
X: NON MOUNT (OPEN)BUS WIREBW:
NOTE
∗4:∗5: 2SC1740S/QR/-T
MAIN PWB ASS'Y (1/3)
SCH-1123A-H2
4.8V
4.3V
4.9V
4.3V
4.8V
5.2V
4.3V
4.3V
6.9V
5.9V
4.8V
4.8V
4.3V
4.3V
5.7V
0V
0V
4.8V
8.9V3.0V
2.3V
6.4V
1.6V
0V
4.8V
4.3V
4.3V
4.1V
3.4V
4.1V
4.0V
2.6V
2.6V
4.8V
4.9V
4.1V
4.1V
4.4V
4.3V
4.3V
4.8V
3.4V
3.4V
8.9V
5.0V
0V
5.0V
7.1V
1.7V
6.5V
8.9V
4.1V
0V
0V
3.0V
4.2V
0V
8.9V
4.1V 4.7V
0V
0V0V
0V 2.9V4.2V
4.8V
1.5V
0.4V
2.6V
1.9V
2.7V
4.2V
7.8V
3.3V0V
3.7V
1.4V
3.4V
1.8V
2.5V
2.6V
2.5V
2.2V
5.7V
3.4V
3.4V
3.5V
3.3V0V
3.3V0V
1.5V
1.6V0V3.3V
5.0V
5.0V
5.1V
3.3V
2.5V
2.6V
3.3V
3.3V
5.0V
3.3V
2.8V
0V 0V 0V 2.3V
7.8V
4.9V
3.0V
3.9V
4.0V
0V 0.8V
0.9V
1.8V
1.8V
3.8V
3.7V
4.4V
1.9V
1.9V
2.0V
0V 0V0V
0V3.3V
0V
2.5V
5.0V 0V
5.0V
5.0V
0V 0V 0V 0V
0V
5.1V5.4V
3.3V
0V
0V
0V 0V
3.2V
2.8V
0V 5.1V
5.1V
0V 0V 0V
5.1V
4.5V
4.4V
5.1V
2.6V
2.6V
33.6
V
0V
-0.2V0V
-0.2V0.3V
0.2V8.9V
8.9V
0V0.7V 0V
17.9V
0V 0V 24.6
V
0V 12.2
V
0.7V
25.8
V
16.1
V
12.2
V
1.7V2.3V
0V
0V
0V
2.6V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
1.4V
3.3V
3.3V
2.7V
8.9V
4.9V
3.7V
3.8V
0V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
0V2.6V
0V
4.5V
8.9V5.0V
4.3V
0V
0V-0.1V
0.2V
-0.1V
5.5V
5.1V 0V
5.1V
3.2V
IC801 7 IC801 23
3727IC801 IC801
IC701 33 IC701 42
IC701 43 IC701 47
IC701 51 IC701 52
IC701 53
IC701 21
IC701 22
3.0Vp-p(H)
2.9Vp-p(H)2.8Vp-p(H)
0.7Vp-p(H)
3.0Vp-p(H)
1.6Vp-p(H)
0.96Vp-p(V)
1.1Vp-p(V)
1.1Vp-p(V)
1.0Vp-p(H) 2.0Vp-p(H)
2.0Vp-p(H)1.8Vp-p(H)
TO CRT SOCKET PWB CN00T
VIDEO 1INPUT
COMPONENT(VIDEO 2)INPUT
OUTPUT
FRONT INPUT(VIDEO 3)
TO SPEAKER
C532
Y908
D966
Y909
K955
D965
C955
R953
Y907
R379
C959
C957
R533
R965
R963
R964
Q953
K903
Y911
IC974
Y912
R531
R972
T901
Y906
D901
R590
C550
D909
R406
PC901
R908D952
C952
R545
IC480
C978
C953
D553
LF902
K951
C404
C979
R385
Q952
R991
R912
L480
R409C409
IC901
Y501
Y502
D911
C911
R414
R913
D401
C401
R425
R904
R401
CP952K953
D956
R960
R907
C960
C483
R494
R530
R487
K902
R909
Q480
CNDEG
C915
R905
C917
Y910
R911
C521
R902
Y913
Y917
D904
R484
Y918
C905
R485
D964
C910
D592
R906
R971
C484
R483
C485
R493
CP951
R407
R596
D907
R480
C593
L524
R486
D550
C993
Y916
C591
Q592
R490
D902
R489
Y915
D903
C901
C907
C527
R491
R492
R481 R482
C480
Y914
D594
C537
R917
D912
Q591
C965
C481D914
R952
C914
C902
R970
R915
D908
S901
C968
R541
C969
R593
D910
T551
R910
R969
C916
C973
R966
L954
C977
F901
R405
Y901
C422
Y902
Y903
C540
C535
C403
C408
C539
R411
R534
D593
VA901
C980
L951
R535
Y904
R597
D906
C962
IC972
TH901
D402
D408
C964
C974 R957
L540
D971
D968
Q954
RY901
C972
R527
D480
CN0PWLF901
C906
R413
D969
R543
C407
C412
R962
C992
C991
Q521
T521
R595
Q522
Y951
R540
R521 R522
C522
C523
R526
R524
CN00U
R402
C402
R403
R404
R408
IC951
C413
K954
C975 C976
L953
C536
C954
D953
R532
C956
D524
CN00S
D595
R539R538
Q523
Q524
R537
R536 C538
D596
D551
R546 R542
K401
R591
C529
C533
IC401
R528
C530
R529
R594
C541
C592
C525
C531
C534
C524
D554
D523
D521
D522
C526
C411
R961
C528
D954
CP953
C958
R410
C406
D405
R412
L523
Y505
Y731
Y504
Y503
CN0HV
C542
C961
Y507
R967
Y508
K901
Y509
D350
W-K1
R356
D360
Q352
Q374
Q375
Q376
D374
R377
R378 D373
R359
R358 C354
D352
R369
D357
R384
D358
C352
W-K
R366
SC
R362
Q360
CN10U
R365
R363
C372
Q361
L351
C361
R367
C360
D372
R370
R371
Q370
R373
R350
D361
R372
Q371
L353
L352
C371
R352
R374
Q350
R376
R355
C370
SK351
SK351
C373
R353
Q351
R383
C374
TP-E
R360
R361
CN10T
D371
L350
C351
R357
C350
D351
R351
D353
D370
R368
C353
R375
VD
RB
_
8V
AB
L
P_O
N/O
FF
C90
3
PR
OT
EC
T
C90
4
Y95
5
Y95
6
3.3V
_ST
B
5V_S
TB
9V H_D
RIV
E
D54
1
C90
8
32V
A.G
ND
A.V
CC H
FB
5V
VD
RA
+
EW
R59
2
Y55
1
Y55
2
C37
5
TP
-47R
/G
R36
4
TP
-47G
/R
R38
1
R38
2
R35
4
R38
0
D35
4
D35
5
D35
6
MA3068/M/-X
QQR1214-001Y
1SS133-T2
2KVQCZ0364-561
QCB32HK-471Z
FR
1/2W
QQR1114-001Z
AN80T36
QQS0182-001
!
GSIB460
PC123F2
!
3WOMRQRL039J-333
ERC30-02L38
QCB32HK-471Z
1/2W
NCB31HK-104X
RGP10J-5025-T3
QQR1035-001
!
1/4W
QRZ9046-825Z
!
STR-F6707A/F7
RGP10J-TS-T3 1/2W
RGP10J-5025-T3
1/2W
CP
RU3AM-LFC4
QQR1114-001Z
1/2W
QGZ5003C1-02
QFLC1HJ-222Z
QRM034J-R22
1/2W
15W,UNFRQRF154K-2R2
EG01C-T2
QCZ9015-102Z
MA3330/L/-X
NDC31HJ-471X
MA3075/H/-X
2WMFR
ICP-N75-Y
!
CP
QRT029J-1R8
MA3150/M/-X
QQLZ034-320
400VACQCZ9079-152
!
UN2212-X
MTZJ12C-T2
!
QEZ0552-227
QFZ0199-474
1SS133-T2
2SA1208/ST/Z1-T
ERC30-02L38
!
QRZ0111-474
!
MTZJ27B-T2
QSW0846-001
!
1/2W
FBT
1/2W
QQL244J-5R6Z
QMF51E2-4R0J4
!
TF
QCB32HK-101Z
QEHR1VM-227Z
TF
1% MF
QAF0052-621
!
QQLZ034-460
1%MF
QRT029J-1R5
EG01C-T2
R1141Q331B-X
50/60Hz
AC120V-240V
!
QAD0134-4R5
MTZJ75-T2
1/2W
QSK0092-001
!
QRL039J-103
PW
QGA7901F1-02
QFZ9072-224
!
NCF21HZ-334X
QCZ9079-102
!
QCZ9079-102
!
2SC2655/Y/-T
CE40203-00CJ1
H.OUT2SD2634-YD
1W
MY
MY
QRL039J-220
CHGC04-400-G
U
SE115N-LF12
MY
QQL244J-5R6Z
MYQRZ9017-4R7
QGA2501C5-05Z
RGP10J-5025-T3
1/2W
1/2W
QEHR1EM-108Z
AN5522
1/2W
QEZ0203-107
QEHR1EM-108Z
QFZ0200-103
RGP10J-5025-T3
RGP10J-5025-T3
NCF21HZ-334X
QRL029J-183
RGP30B-F1
ICP-N75-Y
!
CP
QFLC2AJ-683Z
1N4003-T2
1/2W
HV
QGZ5003C1-04
1/2W
1SS244-T2
1/2W
1/2W
RGP10J-5025-T3
QRZ9017-150
1/2W
STC344-T
CHGC04-400-G
2SA1321-T
MA3075/M/-X
STC344-T2SA1321-T
STC344-T
QNZ0537-001
!
QNZ0537-001
!
2SA1321-T
1/2W
1.25KVQCZ0364-222
B
T
QJL001-065631
1SS244-T2
1/2W
QC
Z90
15-1
02Z
QC
Z90
15-1
02Z
RG
P10
J-50
25-T
3
QF
Z02
09-2
22
QC
S32
HJ-
180Z
QC
B31
HK
-682
Z
X
X
X
X
100
X
10K
560p
X
0
10K
47K
X
BW
2.2K
390
X
X
.1
12K
33K
22
X
0.1
1000/35
X
X
39K
8.2M
1.2K
X
XX
BW
X
220/25
33 1/2W
12
1/50
68K
680
220K
XX
390
56K
100/160
X
X
X
X
470K
X
X
X
5.6K
47/35
BW
X
X
X
X
470p
X
18K
X
X
X
X
X
1.8
X
47/25
X
BW
100/10
X
X
X
X
220/400
X
X
X X
X
BW
X
X
X
2.2/50
X
3.3K
220/25
15K
.1
120k
X
X
0
1.5K
BW
X
100/16
6.8K
470/10
4A
6.8K
BW
1000/35
BW
BW
.1
100p/500
220/35
0.18
X
220
X
X
100/16
46
X
BW
1.5
10/50 47/16
.1 6.8
BW
47/35
10K
X
X
3.9W
X
560
2.2K
X
4.7
100 1K
.0033
.022
180
22
X
6800p
0
X
6.8K
.056/100
220/16 100/16
.01
.001
X
4.7
X
X
X
XX
X
X
X
X X
X
8.2K
BW
2.2K
4.7/250
1000/25
.47
X
.47
22K
22/250
X
1000/25
X
X
X
X
18K
X
2200/25
12K
.068/100
1
X
X
X
BW
X
2.2/50
BW
47K
BW
BW
BW
1K
33
22K
560
2.7K1/50
10K
4.7/250
1K
12K
100
1.8K
27K
BW
680p
1.5K
470p
150
12K
330
X
X
1.8K
BW
BW
820p
12K
100
1.5K
100
470pX
1.8K
390K
.0022
X
150
X
BW
680p
1.5K
470p
X
150
3.3K
100/50
1K
X BW
X
BW
BW
470/
16
330
X
X
330
X
8V
A.VCC
8V
5V_STB
3.3V_STB
5V_STB
3.3V_STB
9V
5V
STB
A.VCC
9V
5V
8V
9V
9V
32V
H_DRIVE
H_DRIVE
PROTECT
P_ON/OFF
32V
STB
L101QQW0156-001
POWER CORD
LIVE ISOLATED
QQD0081-001DY01
U!
!
!QQH0143-001
330K 1/2W
!
A48LWX10XV01
!
G
R
CRTGND
MAIN (CRT SOCKET)PWB ASS'Y (3/3)
SCH-1123 A-H2
GOUT
BOUT
QFZ9075-224
QFZ9075-104
1SS244-T2
22/250
AV-20NX3
No.520792-8No.52079 2-7
AV-20NX3
MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3)
MAIN PWB ASS'Y (2/3)
SCH-1123A-H2
2SD601A/QR/-X
0: NRSA63J-0R0X
1:2:6:
MA111-X
X: NON MOUNT (OPEN)BUS WIREBW:
NOTE
2SB709A/QR/-XQQR1113-001Z
∗∗∗
8:∗
IC401 1 IC401 3
62IC401 IC401
1.0Vp-p(H) 32Vp-p(H)
30Vp-p(V)0.8Vp-p(V)
52Vp-p(V)
0.8Vp-p(V)
IC401 5
7IC401
2.1Vp-p(H)
28Vp-p(H)
1.7Vp-p(H) 101Vp-p(H) 120Vp-p(H)
240Vp-p(H)7.8Vp-p(V)
Q521 B Q522 B
CQ521
T551 6
9T551
T551 7
25Vp-p(H)
T551 4
54Vp-p(H)
T551 8
1050Vp-p(H)
T551 10
2T551
TO MAIN PWB CN00T
FOR ADJ. CONNECTOR
DEF YOKE
DEG COIL
CRT SOCKET
8.9V
0V
5.1V 5.0V 9.0V 5.1V 9.9V 5.1V
0V
9.9V
135.4V
0V
0.6V
5.8V
0.5V 13.7V -13.7V-14.7V 13.8V0.7V 0.5V
0V
9.3V
14.5V-0.1V
135.4V135.0V
0V
5.1V0V
139.7V
3.4V 6.7V
139.8V136.7V
2.9V
138.4V 135.
7V
6.7V
138.4V
2.9V
3.4V
130.5V132.6V
6.7V
3.5V3.0V
8.9V0V
8.9V
0V
19.4V
302.2V
0.6V
2.1V
132.6V
0V
∗2
∗8
∗8
∗2
∗6
∗1
∗1
∗1
∗2
∗2
∗2
∗2 ∗2 ∗2
∗2
∗2
∗2
∗1
∗2
∗1
∗1
∗2
∗2
AV-20NX3AV-20NX3
No.52079
PATTERN DIAGRAMS
2-9No.52079 2-10
MAIN PWB PATTERN
( )
( )
FRONT
B1
H
F
3
L I
ABCDFHI
J
JKLM
2
3
44
5
66
77
88
99
M
0
1
G
E
K
E
5
G
D
NC
IF
BM
I.NATTAPONG
4
A2
5
MARK
3 1
MICON
B
MARK
MARK
2
CI
CLAMP
SYNC
IF
POWER
40 33
35
3
12 10 1
25
4550
55
FC901
30
60
1
15
AV
5
CH- MENUVOL+
20
250VT4AL
FBT
9
7
6
5
4HEATER
3ABL
GND1
B1
8HFB
HB2
GND
#NAME?
#NAME?
10COL
A2
CH+VOL-REMOCON
BT
AGC
AS
SCL
SDA
/2!
51
6
11 20
1
15
64
1
10
E
1
32
MARK3
1
MARK
31
23
34
45
STEREO
510
5
8
VOL TONE/3D
14
5VLOCK
32V
DEF
7 5
CKF1672-BH1-1
1
1
4
N2
B
1
V2
1
E
HP
MARK
12
14
1
Q
02.05'02
Y301
R686
C002
C003
C101
C102
C106
C109
C130
C132
C133
C134
C135C140
C141C142
C143
K106
R315
R313
R314
C308
C401
C408
C409
C413
R779
C480
C481
C484
C485
C521
C524
C528
C529
C532C534
C535
C536C537
C602
C605
C606
C612
C6 15
C620
IC602
C644
C625
R622
W259
C645R621
R624
R625
R626
R627
W014
W017
W018
C628C629 C631C633
C634
C635
C550
W025
C640
W261
W262
W263C636
W265
W419C703C704
C732 C736
C741
C742C745
C749
C801
C807
C808
C812
C813
C817
C819
C821
C826
C827 C829
C830
W269
CL003
Q702
CF106
CF131
C
HV
W270
U
C
R970
D401
D402
W287
D480
D522D523
D553
D554
D592
D594D595
D703
D702
D731
D803
D804
K103
IC480
IC601C637
IC701
IC801
J801 J802 J803 J804
Y601
L101
L102
L14
K105
L480
D
L601
L602
L702
D808
L731
Q101
Q105Q16
Q107
Q109
Q110
Q111
Q131
Q132
Q137
Q301
Q302
L732
C642
Q480
Q524
Q592
W019Q701
R596
R001
R002
R004
R103
R104
R106
R111
R112
R113
R114 R115
R116
R119
R131
33R1
R134
R135
R136R137
38R1
R142
R143
R144R145
R147
R148
R150
R151
S
R401
R402
R403
R404
R406
R407
R409
R410
R413
W276
W021
R155
R483
R484
R485
R486
R487R489
R493
R494
R521R522
W030
R524
R530
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( )
MAIN PWB (CRT SOCKET) PATTERN
No.52079
AV-20NX3
2-11
Printed in Japan0211 WPC
VICTOR COMPANY OF JAPAN, LIMITED 12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,JapanHOME AV NETWORK BUSINESS UNIT.
AV20NX3-H #4