Table of Contents
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CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-20N83
/BK
CN001
QGA2501C5-04Z
J770
QNS0155-001
R769
R779
B.MUTE
X
2.7K
ECO
R775
R770
3.3K
QRE121J-271Y
A_OUT_R
R771
1K
A.GND
REMOTE
A_OUT_L
R773
1K
CN00A
CN01A
LED
R772
KEYIN
QRE121J-271Y
J771
QNN0282-003
VIDEO
R774
X
J772
QNN0282-002
FRONT INPUT
AUDIO_L
(VIDEO 3)
D807
MA3100/M/-X
J773
QNN0282-001
AUDIO_R
D808
MA3100/M/-X
R801
X
J801
QNN0349-001
R802
NOT
X
EXIST
R803
33K
VIDEO 1
R804
INPUT
75
Y2
J802
R805
QNN0349-002
75
J802
D801
CN00D
CN01D
MA3120/M/-X
CB
C801
10/50
R806
75
COMPONENT
D802
(VIDEO 2)
MA3120/M/-X
CR
INPUT
R807
C802
75
10/50
L2
J803
QNN0348-001
R2
NCB31EK-104X
C640
C823
Q804
100/16
∗5
8.9V
5.0V
VOUT2
NCF21CZ-105X
J804
QNN0349-001
R836
R837
75
4.3V
100
NCB31EK-104X
R838
C822
120
470/16
QRK126J-121X
J804
OUTPUT
LOUT2
R809
R808
390
C803
D803
82K
10/50
X
J804
R811
C804
10/50
390
ROUT2
D804
R810
0V
Q801
82K
X
DTC323TK-X
DTC323TK-X
0.2V
-0.1V
0V
Q802
Q803
DTC323TK-X
∗6
-0.1V
R812
100K
IC801
7
IC801
23
1.0Vp-p(H)
2.0Vp-p(H)
IC801
27
IC801
37
1.8Vp-p(H)
2.0Vp-p(H)
MAIN PWB ASS'Y ( 1/3 )
SCH-1090A-BK (AV-20N83
SCH-1122A-BK (AV-21D83
, AV-21D83
]
/BK
D760
R786
2K
IC760
SLR-342VR-T16
S780
S781
S782
S783
D771
GP1UM281QK
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
P1241-04
D770
R776
5.1V
0V
R780
∗2
3.9K
R778
470
X
C760
5.5V
.1
R760
6.8K
R777
R782
C770
R781
R783
R784
R785
6.8K
10/50
1.2K
180
220
330
470
C761
100/16
Q770
∗6
C814
R829
.1
75
IC801
MM1492AF
R826
C815
R820
100
1/10
80%
100
4.3V
4.8V
C810
R821
D805
1/10
80%
L2
2.2K
4.8V
X
4.3V
D820
C811
R823
D818
Y2
.1
100
X
4.3V
X
4.9V
R824
D819
R2
2.2K
4.3V
3.4V
X
D817
C812
X
4.8V
8.9V
1/10
80%
C813
3.4V
.01
C833
C1
C805
C824
R815
22/50
.1
100/16
100
V1
5.2V
4.4V
R813
C807
2.2K
1/10
80%
5.0V
L1
4.3V
C806
D816
R817
X
X
4.8V
4.1V
Y1
MY
X
R818
C808
Y1
2.2K
80%
4.1V
R1
1/10
4.3V
C809
R819
D815
SW1
X
X
4.8V
4.9V
C1
X
SW1
6.9V
C819
R833
.1
4.8V
1K
5.9V
V1
R832
C821
R835
4.3V
1.2K
1/10
5.6K
NCF31AZ-105X
R834
C820
4.3V
5.6K
2.6V
QRE121J-221Y
1/10
NCF31AZ-105X
4.8V
2.6V
C831
.01
L1
C830
.01
4.3V
0V
QRE121J-221Y
C829
.01
4.3V
4.0V
5.7V
4.1V
R1
0V
3.4V
4.8V
4.1V
C826
C827
0V
.01
5.0V
.1
IC602
NJW1138M-X
C645
R621
R622
C625
4.7/50
0
0
4.7/50
4.5V
4.5V
R306
5.6K
Q307
R304
X
2.3V
2.2K
R303
1.7V
5.6K
Q302
C644
C626
∗6
Q305
4.7/50
4.7/50
0V
X
4.5V
4.5V
R305
2.2K
C310
Y301
4.5V
4.5V
2.6V
0
0
0V
Q301
4.5V
4.5V
∗6
C642
C628
R301
0V
.0047
R312
.0047
2.2K
R302
4.5V
4.5V
C629
X
C641
2.2K
NCB31EK-104X
4.5V
4.5V
4.7/50
C630
4.7/50
4.5V
C639
1.4V
C631
NCB31EK-104X
0V
Y606
4.5V
C632
C638
BW
4.7/50
3.3V
3.8V
Y604
C637
C633
0
4.7/50
4.7/50
3.7V
3.3V
C636
C634
4.7/50
4.7/50
2.7V
4.9V
I/OTH
R625
100
R626
X 1/16W
2.6V
0V
A MUTE
R624
100
R627
1K
0V
8.9V
C635
100/50
W-H1
W-H2
W-B2
W-B1
IC650
AN5276
D655
∗2
R650
C650
C651
10K
10/50
47/35
C685
R651
0
C652
15K
10/50
C686
C660
0
.22
R655
R699
15K
R698
R658
100K
100K
2.2
0V
-0.2V
Q684
0V
∗6
Q686
0.3V
DTC323TK-X
-0.2V
MUTING
C683
Q685
33/16
DTC323TK-X
R690
MUTING
100K
R693
R694
X
Q683
X
Q688
∗6
Y603
X
X
8.9V
Y602
0.2V
R686
X
1K
MUTING
C681
8.9V
220/16
R689
D682
Q687
R691
∗2
X
R688
X
C682
X
R692
R695
27K
220/16
D656
X
X
X
R662
R663
33K
10K
R664
2.2K
Q661
17.9V
)
∗1
/BK
0V
0.7V
Q660
0V
∗1
R660
R661
10K
68k
)
/BK
No.52076
AV-20N83
AV-20N83
AV-21D83
AV-21D83
S784
Y601
QSW0619-003Z
0
C620
X
C622
X
C619
C621
X
X
C617
X
C616
X
C615
X
IC601
X
R830
C601
2.2K
X
C605
X
R831
2.2K
C613
X
C612
X
C614
X
C817
1/10
80%
L602
X
X601
X
C611
X
C606
X
CH
C834
180P
C610
R843
8.9V
X
C825
820
3.0V
Q860
.01
YOUT1
∗1
2.3V
R844
VOUT2
2.2K
R845
1K
LOUT2
V
ROUT2
L732
QQL244J-5R6Z
R846
R849
2.2k
220
0V
6.4V
Q861
CR
C748
∗6
47/16
1.6V
R840
R847
10K
R848
220
470
SCL
SDA
R839
220
YOUT1
R842
R880
R883
0
LOUT1
2K
180
6.5V
7.1V
COUT1
CB
Q862
∗6
R841
1.7V
0
ROUT1
R881
R882
L701
10K
470
10
CN00C
QQL244K-100Z
QGA2501C5-06Z
R714
R715
100
10K
0V
R743
Q701
680
∗6
D702
MA3024-X
SCL
C312
C308
SDA
X
.01
R314
X
R315
X
R713
100
Q306
X
R710
4.7K
R709
4.7K
R712
R313
C313
R316
100
X
X
X
C311
X
IC702
AT24C08-21WS3
C714
47/16
R701
R708
100
4.7K
R707
4.7K
R725
10K
Q703
FMC2A-X
0V
0V
3.3V
5.4V
5.1V
C661
.22
C663
.22
R659
2.2
QRE121J-2R2Y
L001
CE42050-001Z
C002
10/50
R696
R007
X
TF
75
R687
10K
C001
C684
.01
10/50
Y101
BW
CN00F
QGA2501C5-03Z
Y102
BW
Y103
BW
Y104
X
QQR1113-001Z
2-5
2-6
C133
R143
100/16
470
Q136
∗1
R142
IC130
Q137
560
∗1
M52342SP
C134
.01
R141
1.8K
R144
C132
22
.01
R145
R602
820
C140
X
.01
C136
.01
C602
C137
X
.01
C141
C135
.01
470/10
L601
X
C138
C142
.01
C603
.01
X
Q132
C143
C604
R147
R146
∗1
10/50
X
100
10K
R135
560
R134
R148
1.8K
3.3K
C144
.022
R603
X
L104
X
R604
Q111
X
X
R120
X 1/16W
R150
R121
X
R151
X
X
CF106
Q110
C150
X
X
X
K601
Q150
X
X
R152
X
R153
X
C151
R154
L103
Q108
X
X
X
∗1
8.9V
R115
4.1V
4.7V
X
R116
CF104
X
X
R117
1K
CF105
X
CN00T
QJL001-065631
D704
MA3033-X
C707
100/16
C743
100/16
R716
R746
10K
0V
33K
3.3V
Q702
2.5V
∗6
R747
C742
3.2V
C710
10K
R744
X701
.1/16
.22
R717
QAX0737-001
10K
C713
.1
C740
2.2/50
C731
C730
.22
R719
.22
220
C732
100/16
C755
X
Y730
C733
C736
BW
.1/16
1/50
L730
X
IC701
C715
X
R727
R720
C720
1K
100K
5.1V
47/16
5.1V
0V
R728
Q720
10K
C105
∗6
.0047
SF102
IC701
R726
QAX0731-001
4.7K
L101
QQLZ014-R82
C106
R107
18p
4.7K
R104
R102
180
C104
6.8K
.0047
NDC21HJ-180X
2.8V
0V
C109
SF101
R101
0V
0V
C101
10/50
QAX0325-001
IC701
10
.0047
R105
22
3.2V
R103
Q102
2.7K
C103
∗4
.0047
C107
R108
.01
R106
C102
2.2K
100
.0047
Y001
R110
0
X
Q101
D101
2SC5083/L-P/-T
1SS268-X
Y004
X
IC701
C108
X
Q103
X
R003
3.9K
R006
C005
27K
.0022
R004
220
C006
33/16
TU001
QAU0186-002
K101
X
K105
R005
QQR1113-001Z
QQR1214-001Y
K103
X
K106
QQR1113-001Z
K104
K108
BW
No.52076
R136
R139
R137
4.7K
2.2K
10K
R138
470
C131
R149
C139
Q133
.01
X
R140
X
∗6
1/16W
1.5K
R155
X 1/16W
CF140
QAX0695-001Z
CF141
X
CF142
Q135
Q134
X
∗4
∗4
Q138
X
R131
R130
Y130
R132
X
470
4.7K
2.2K
Y003
C130
0
.01
Q130
∗6
CF130
Y002
QAX0694-001Z
X
Q131
∗4
CF131
QAX0694-001Z
5.74MHz BPF
R119
X 1/16W
Q109
X
Y005
0
R114
X
R111
L102
R112
X
X 1/16W
1K
Q107
X
Q104
∗6
R113
4.7V
X
4.2V
CF103
X
Q105
Q106
X
X
ABL
L731
QQL244J-5R6Z
D733
H_DRIVE
∗2
HFB
R745
1M
560
C750
X
D730
∗2
R733
27K
D731
∗2
IC701
21
1.1Vp-p(V)
IC701
TDA9386N22S0902
IC701
22
1.1Vp-p(V)
C726
X
33
IC701
42
3.0Vp-p(H)
0.96Vp-p(V)
43
IC701
47
0.7Vp-p(H)
1.6Vp-p(H)
51
IC701
52
2.8Vp-p(H)
2.9Vp-p(H)
53
3.0Vp-p(H)
NOTE
∗
2SD601A/QR/-X
1:
∗
2:
MA111-X
∗
4:
UN2212-X
∗
5:
2SC1740S/QR/-T
∗
2SB709A/QR/-X
6:
BW:
BUS WIRE
X:
NON MOUNT
(OPEN)
0:
NRSA63J-0R0X
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