D655
Q804
IC601
X601
C824
C825
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
C619
C621
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
C143
R147
R148
C144
R662
R661
R660
C137
C138
C136
C135
C755
R848
R146
C134
R143
R144
R145
C132
Q137
R142
C133
Q136
Q132
R141
R139
R140
C131
R135
R134
R132
C130
CF140
CF141
CF142
R821
C663
C819
R785
R824
R659
Y603
R883
Q770
R830
S784
R138
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
D803
C803
R115
R111
C804
R112
R116
R812
R114
C313
Q106
Q111
CF104
CF105
CF103
Q107
Q104
L103
L102
D805
L104
Q105
TU001
C101
C107
C104
C106
C103
C102
R102
R103
R104
R105
R106
R107
R108
Q307
Q101
L101
SF102
SF101
Q302
Q102
R110
R784
R782
R701
C005
C006
D760
R004
R003
C001
C002
L001
R780
J772
CN00F
R101
R007
R136
Q133
R772
J773
J770
R774
IC760
D771
R781
R777
R760
R710
IC702
R709
R713
C761
R882
D816
S782
S781
D770
C760
R775
S780
R776
J771
R773
R771
R770
C636
C635
C715
C632
C633
C634
R314
C312
R622
R621
C310
C714
Y104
K101
R663
R733
L730
C707
C732
C736
C740
C733
C731
X701
Q702
R716
R717
Q701
R715
R714
L701
D702
D801
D802
R747
L731
D730
D731
C743
C742
K103
R880
K104
K105
K106
K108
R005
C726
D704
R881
D807
R846
D808
R686
R687
D815
R769
D820
C748
R847
D819
R786
Y606
C713
C710
R746
C614
R743
Y103
K601
R726
R727
R728
R779
C720
R720
Q720
R698
Y004
R699
Q860
R749
C607
R748
C608
C609
R742
C655
C656
D732
R741
C706
R740
R739
R738
C711
EW
C747
C746
C745
C751
D652
D653
C752
C753
R750
C659
Y701
C725
VDRB_
VDRA+
C705
R718
R756
R755
R758
R757
3.3V_STB
R711
C662
R654
R724
R723
R722
R721
C756
R133
A.GND
5V_STB
A.VCC
P_ON/OFF
R730
R109
PR
O
TECT
R702
R703
R706
R704
C007
R002
R001
C003
C004
L002
5V
32V
R734
9V
R705
C741
8V
R729
C701
R731
R732
K701
L702
C704
C703
C734
C735
C738
C737
C739
C749
R737
R735
R736
C744
D703
D761
C709
C702
QRK126J-121X
NCF31AZ-105X
NCF31AZ-105X
QRE121J-221Y
QRE121J-221Y
NJW1138M-X
FMC2A-X
QJL001-065631
M52342SP
1SS268-X
NCB31EK-104X
QGA2501C5-06Z
QNN0349-001
QNN0348-001
NCF21CZ-105X
DTC323TK-X
MUTING
MUTING
DTC323TK-X
MUTING
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
QSW0619-003Z
QSW0619-003Z
DTC323TK-X
DTC323TK-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
GP1UM281QK
P1241-04
AT24C08-21WS3
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
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
QEHQ1VM-108
QEHQ1VM-108
MA3330/L/-X
MA3330/L/-X
CE42050-001Z
QQR1113-001Z
QQL244K-100Z
CH
CH
NFV41CJ-104X
12MHZ
MA3051/M/-X
SLR-342MC-T16
X
X
100/16
.01
X
100
X
120
1/10
100/16
1/10
.01
220
220
.1
1.2K
1K
X
X
X
470/16
75
.01
.01
.01
X
10/50
10/50
.0047
47/35
BW
0
100
33K
0
0
X
X
.0047
1M
4.7K
.1
4.7K
X
X
X
X
X
10/50
220
75
X
4.7/50
4.7/50
X
X
X
X
27K
0
0
15K
0
100
100
.1
15K
220/16
X
X
4.7/50
100
X
2.2K
0
100
X
X
2.2K
560
.01
4.7/50
100K
1K
X
X
X
X
100
X
1K
X
BW
X
X
2.2K
1/10
220/16
X
.01
10/50
X
10/50
X
33/16
5.6K
2.2K
180P
1/10
X
10/50
2.2K
.1
X
X
X
X
X
X
X
X
X
X
X
4.7/50
22/50
X
X
X
X
X
X
0
75
.22
.22
10K
220
10/50
1/10
X
820
27K
100
1/10
2.2K
5.6K
0
5.6K
10K
BW
X
5.6K
.0047
1/10
1/10
X
220
75
75
4.7/50
2.2
.22
X
4.7/50
.01
.01
.01
10/50
100
3.3K
.022
33K
68k
10K
.01
.01
.01
470/10
X
470
10K
.01
470
22
820
.01
560
100/16
1.8K
2.2K
1.5K
.01
560
1.8K
2.2K
.01
2.2K
.22
.1
470
2.2K
2.2
X
180
2.2K
470
10K
470
2.2K
4.7K
75
X
X
X
X
2.2K
2.2K
390
390
82K
82K
X
1K
X
X
X
10/50
X
1K
10/50
X
100K
X
X
X
X
X
X
X
X
X
.0047
.01
.0047
18p
.0047
.0047
6.8K
2.7K
180
22
100
4.7K
2.2K
X
X
330
180
100
.0022
33/16
220
3.9K
.01
10/50
470
10
75
4.7K
X
1.2K
6.8K
6.8K
4.7K
4.7K
100
100/16
470
X
.1
3.3K
3.9K
1K
1K
4.7/50
100/50
X
4.7/50
4.7/50
4.7/50
X
X
0
0
0
47/16
X
X
10K
27K
X
100/16
100/16
1/50
2.2/50
.1/16
.22
10K
10K
10K
100
10
10K
100/16
.1/16
X
2K
BW
X
10K
2.2k
1K
10K
X
X
X
47/16
10K
X
2K
BW
.1
.22
33K
X
680
BW
X
4.7K
100K
10K
2.7K
47/16
1K
100K
X
100K
4.7M
X
4.7M
X
X
0
1000/35
1000/35
100
.22
100
100
0
.1
.047/25
.047/25
.047/25
.1
.1
.1
0
.22
X
680P
1000p
220
100
100
2.2K
2.2K
100
220/35
10K
220
220
220
220
X
1.5K
22K
2.2K
100
100
1K
1K
.01
220
220
.1
470/16
390
1K
.1/16
47
220/16
100
39K
10
33p
33p
.0022
.0022
.1/16
1/50
10/50
2.7k
100K
33K
1000p
100/16
10/50
SW1
R2
L2
L1
Y1
REMOTE
SCL
LED
SDA
KEYIN
VOUT2
SW1
ROUT1
LOUT1
LOUT2
B.MUTE
L2
ROUT2
R1
R1
Y2
CR
C1
YOUT1
Y2
Y1
A.GND
CR
AUDIO_R
V1
A_OUT_R
L1
A_OUT_L
R2
COUT1
YOUT1
SCL
VOUT2
SDA
CB
ECO
CB
ROUT2
V
AUDIO_L
VIDEO
LOUT2
C1
V1
SD
A
EW
SCL
R
OUT1
LOUT1
R
V
SCL
ECO
Y
OUT1
MSPRESET
L
SD
A
R
MSPRESET
MSPRESET
SCL
SD
A
VDRB_
COUT1
PR
O
TECT
A_OUT_R
A_OUT_L
P_ON/OFF
P_ON/OFF
SCL
PR
O
TECT
EW
VDRA+
REMO
TE
KEYIN
VDRB_
LED
VDRA+
L
SD
A
NOT
EXIST
I/OTH
A MUTE
X 1/16W
QAU0186-002
X
X
1/16W
X 1/16W
X
X
X
0
X
QAX0694-001Z
5.74MHz BPF
X 1/16W
X 1/16W
X 1/16W
TDA9386N22S0902
X
QAX0694-001Z
X
X
X
X
X
X
X
∗
5
∗
6
∗
6
∗
2
∗
1
∗
1
∗
1
∗
4
∗
6
∗
4
∗
4
∗
1
∗
6
∗
6
∗
2
∗
2
∗
2
∗
2
∗
6
∗
6
∗
4
∗
6
∗
1
∗
1
∗
6
∗
2
∗
2
∗
6
∗
6
∗
6
∗
1
∗
6
∗
6
CIRCUIT DIAGRAMS
AV-20N83
AV-21D83
No.52076
AV-20N83
AV-21D83
2-5
No.52076
2-6
MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-20N83
/BK
, AV-21D83
/BK
]
UN2212-X
∗
6:
2SB709A/QR/-X
2SD601A/QR/-X
0:
NRSA63J-0R0X
∗
1:
∗
2: MA111-X
X:
NON MOUNT
(OPEN)
BUS WIRE
BW:
NOTE
∗
4:
∗
5:
2SC1740S/QR/-T
MAIN PWB ASS'Y (1/3)
SCH-1090A-BK (AV-20N83
/BK
)
SCH-1122A-BK (AV-21D83
/BK
)
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
8.9V
3.0V
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
4.7V
4.7V
4.2V
1.5V
0.4V
2.6V
1.9V
2.7V
4.2V
7.8V
3.3V
0V
3.7V
1.4V
3.4V
1.8V
2.5V
2.6V
2.5V
2.2V
5.7V
3.4V
3.4V
3.5V
3.3V
0V
3.3V
0V
1.5V
1.6V
0V
3.3V
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
0V
0V
0V
3.3V
0V
2.5V
5.0V
0V
5.0V
5.0V
0V
0V
0V
0V
0V
5.1V
5.4V
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
33.6V
0V
-0.2V
0V
-0.2V
0.3V
0.2V
8.9V
8.9V
0V
0.7V
0V
17.9V
0V
0V
24.6V
0V
12.2V
0.7V
25.8V
16.1V
12.2V
1.7V
2.3V
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
0V
2.6V
0V
4.5V
8.9V
5.0V
4.3V
0V
0V
-0.1V
0.2V
-0.1V
5.5V
5.1V
0V
5.1V
3.2V
IC801
7
IC801
23
37
27
IC801
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 1
INPUT
COMPONENT
(VIDEO 2)
INPUT
OUTPUT
FRONT INPUT
(VIDEO 3)
TO SPEAKER
Содержание AV-20N83/BK
Страница 40: ...40 No 52076 AV 20N83 AV 21D83 SERVICE NOTE ...