Circuit Diagrams - JVC AV-21W83 Service Manual

2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522

CIRCUIT DIAGRAMS

2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W83
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
TO SPEAKER
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
CN001
QGA2501C5-04Z
J770
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 QNS0155-001
R770
QRE121J-271Y
R771
1K
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
R773 1K
CN00A
R772
QRE121J-271Y
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
J771
QNN0282-003
R774
X
FRONT INPUT
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
(VIDEO 3) J772
QNN0282-002
D807
MA3100/M/-X
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
J773
QNN0282-001
D808
MA3100/M/-X
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
R801
X
J801
QNN0349-001
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
R802
NOT
X
EXIST
R803
33K
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
R804
VIDEO 1
75
INPUT
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
J802 R805
QNN0349-002 75
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
J802 D801
CN00D CN01D
MA3120/M/-X
C801
10/50
R806
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
75
COMPONENT
D802
(VIDEO 2) MA3120/M/-X
INPUT
R807 C802
75 10/50
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
J803
QNN0348-001
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
C823
Q804 100/16
∗5 8.9V
5.0V
J804
QNN0349-001 R836
R837
75 4.3V
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 100
R838
C822
120
470/16
QRK126J-121X
J804
OUTPUT
R809
R808 390 C803
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
82K 10/50
C804
J804 R811
390 10/50
R810
0V Q801
82K
DTC323TK-X DTC323TK-X 0.2V
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
-0.1V
0V
Q802 Q803
DTC323TK-X
-0.1V R812
100K
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
IC801 7 IC801
1.0Vp-p(H) 2.0Vp-p(H)
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
IC801 27 IC801
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 1.8Vp-p(H) 2.0Vp-p(H)
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
MAIN PWB ASS'Y ( 1/3 )
SCH-1088A-BK ( AV-21W83
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522
]
/BK
D760
R786
X
SLR-342VR-T16
IC760 S780
D771 GP1UM281QK
QSW0619-003Z QSW0619-003Z
P1241-04
VCC
D761
X
D770 R776
5.1V 0V
∗2 3.9K R780
R778
470
X
R769 R779 C760
.1
B.MUTE X 2.7K R760
ECO 5.5V
6.8K
R775
R777 C770 R781 R782
3.3K 6.8K 10/50 1.2K 180
A_OUT_R
A.GND REMOTE C761
100/16
A_OUT_L Q770
∗6
CN01A LED
KEYIN
VIDEO
R820
AUDIO_L
100 4.8V
C810
R821
1/10 80%
L2 2.2K 4.3V
C811 R823 D818
Y2 .1 100 X
4.9V
R824
AUDIO_R
R2 2.2K
4.3V
D817
C812
X 4.8V
1/10 80%
C813
.01
C1 C805
R815
.1
100
V1 5.2V
R813 C807
2.2K 1/10 80%
L1 4.3V
C806 R817 D816
X 4.8V
Y1 MY X X
R818 C808
Y1 R1 2.2K 1/10 80% 4.3V
C809 R819 D815
SW1
C1 X X X 4.8V
SW1 6.9V
R833 C819
1K .1 5.9V
V1
R835
R832 C821
4.3V
1.2K 1/10 5.6K
NCF31AZ-105X C820 R834
4.3V
5.6K
1/10
NCF31AZ-105X
C831 .01 4.8V
L1
C830 .01 4.3V
C829 .01 4.3V
5.7V
R1
0V
4.8V
Y2
C827
0V
.01
CB
IC602
NJW1138M-X
C645 R621 R622 C625
4.7/50 0 0 4.7/50
4.5V 4.5V
CR
R304
2.2K
C644 C626
4.7/50 4.7/50
4.5V 4.5V
L2
4.5V 4.5V
R2 4.5V 4.5V
C642 C628
.0047
.0047
4.5V 4.5V
C641 C629
NCB31EK-104X NCB31EK-104X
4.5V 4.5V
C640 4.7/50
C630 4.7/50
1.4V 4.5V
C639 C631
VOUT2
NCF21CZ-105X NCB31EK-104X
0V Y606
4.5V
C632
C638 BW
NCB31EK-104X 4.7/50
3.8V
3.3V Y604
C637 C633
0
4.7/50 4.7/50
3.3V 3.7V
C636 C634
4.7/50 4.9V 4.7/50
2.7V
LOUT2
I/OTH
R625 100 R626 1K
2.6V 0V
D803
X A MUTE
R624 100 R627 1K
0V 8.9V
ROUT2
C635
D804
100/50
X
∗6
W-B2 W-B1
D655
∗2
23
C685
0
C686
0
37
Q683
Y603
∗6
X
8.9V
0.2V
C681 8.9V
220/16
D682 R689
∗2 X
R688
C682
220/16 27K D656
X
)
/BK
No.52016
AV-21W83 AV-21W83
S781 S782 S783 S784
QSW0619-003Z QSW0619-003Z QSW0619-003Z
C619
X
C617
X
R783 R784 R785
220 330 470
C616
X
C615
X
R830 C601
2.2K
X
C605 X
R831
2.2K
C814 R829
C613 X
.1 75
IC801
MM1492AF C612
R826 C815
X
100 1/10 80%
4.3V
D805 C614
4.8V X X
C817
D820
1/10 80%
4.3V L602
X
X
D819
3.4V
X C611
X
8.9V
CH
C834
3.4V 180P
C833 C824
R843
22/50 3.0V 8.9V
100/16 C825 820
YOUT1
4.4V .01
2.3V
5.0V R844 Q860
VOUT2 R845
2.2K ∗1
1K
4.1V
LOUT2
V
4.1V
ROUT2
L732
QQL244J-5R6Z
4.9V
R846 R849
2.2K
220
6.4V 0V
4.8V
CR C748
47/16
1.6V
R847 Q861
R840 ∗6
220 10K R848
0V QRE121J-221Y 470
SCL
2.6V SDA
R839
0V
220
QRE121J-221Y
4.0V YOUT1
R842
R880 R883
0
4.1V LOUT1 2K 180
7.1V
3.4V 6.5V
COUT1 CB
R841
1.7V
4.1V 0 ROUT1 Q862
R881 ∗6
C826 10k R882
5.0V .1 470
SCL
C312 C308
SDA
R306 X .01
R314
5.6K Q307 X
R315
X
X
2.3V R303
1.7V
5.6K
Q302
Q306
∗6 Q305
X
0V X
R305
2.2K R729
C310 47
Y301
2.6V 0
0
Q301
0V ∗6
R301
0V R312 R313 C313 R316
2.2K
R302 X
X X X
2.2K
C311
X
C714
47/16
W-H1 W-H2
IC650
AN5277
R650 C650 C651
10K 10/50 47/35
C661
R651 .22
C652
8.2K
10/50
C660 C663
.22 .22
R655
R699 R659
R698 R658
8.2K 100K 2.2
100K
0V 2.2
QRE121J-2R2Y
Q684 -0.2V
0V
∗6 Q686
0.3V
DTC323TK-X
-0.2V MUTING
C683
Q685
33/16 DTC323TK-X
R690 MUTING
100K
R693
R694
X
Q688
X
X
Y602
R686 R696
X
1K MUTING
X
Q687
R687
R691
X 10K
X R692 R695
X C684
X
10/50
R662 R663
33K
10K
17.9V
Q661
0V ∗1 R664
Q660
2.2K
∗1
0V
0.7V
R660
R661
10K
68K
2-5 2-6
Y601
0
C620
C622
X IC130
X
M52342SP
C621
X
R602
X C140
.01
C602
C137
X
.01
C141
.01
L601
X
C138
C142 .01
C603 .01
X
C143
IC601 C604 R147 R146
10/50
X X
100 10K
R148
3.3K
C144
.022
R603
X
R604
X
X601
X
R150
X
R151
C606
X
X
C150
C610 X
K601
X Q150
X
X
R152
X R153
X
R154
C151
X X
TO CRT SOCKET
PWB CN10T
CN00T
QJL001-065631
D704
L701 MA3033-X
10 C707
CN00C QQL244K-100Z 100/16
CH41171-006
R714 R716
R746
100 R715 10K
0V 33K
10K
0V
3.3V
3.2V Q702
R743 Q701 R747
2.5V ∗6
560 ∗6 C710
10K
X701 .22
R717
QAX0737-001
10K
C713 .1
D702
MA3024-X
R713
100
R710
4.7K
R709
4.7K R712
100
IC702
AT24C08-21WS3
R701
R708 100
C731
4.7K C730
.22
R719 .22
220
C732
R707
100/16
4.7K
R725 Y730 C733 C736
10K BW .1/16
1/50
L730
X
C715
X
Q703
FMC2A-X
R727
0V R720 C720
0V 100K
1K 47/16
5.1V
3.3V
0V 5.1V R728
Q720 10K
5.4V 5.1V C105 ∗6
SF102
.0047
R726
QAX0731-001
4.7K
L101
QQL244J-5R6Z
R107 C106
4.7K .01
R104
R102
C104
6.8K 180
.0047
2.8V
C109 SF101
0V
R101 10/50 0V QAX0325-001
C101
10 0V
.0047 R105
22 3.2V
R103
2.7K Q102
C103
∗4 C107
.0047
R108 .01
R106
C102 2.2K
100 .0047
Y001
R110
0
X
Q101 D101
2SC5083/L-P/-T DAN235K-X
Y004
L001 X
CE42050-001Z
C108
C002
X
10/50
Q103
X
R007 R003
TF
75 3.9K
R006 C005
27K .0022
C001
.01
R004
220
C006
33/16
TU001
QAU0185-005
Y101 BW
CN00F K101 X
QGA2501C5-03Z
R005 X
Y102 BW K105 BW
Y103 BW K103 X K106
QQR1113-001Z
Y104 X K108 BW
K104
QQR1113-001Z
No.52016
R136
C133
R143 4.7K
R139 R137
100/16 470
Q136 2.2K 10K
R138
∗1
470
R142
Q137
560
∗1 C131
C134
.01 C139 R149 Q133
.01 R140 ∗6
R141 X X
1.8K 1.5K
R144
C132 22
.01 R155
X
R145
CF140
820
QAX0695-001Z
C136
CF141
.01 X
CF142
Q135 Q134
X
C135
∗4 ∗4
470/10 Q138
X
Y130 R131 R130
R132
470 4.7K
Q132 2.2K X
∗1
R135 Y003
560 C130 0
.01 Q130
∗6
R134
1.8K CF130
QAX0694-001Z Y002
X
Q131
∗4 CF131
QAX0694-001Z
L104
X
R119
Q111 R120 X
X X
Q109
X
R121
X
Q110
X
CF106
X
Y005
0
L103
Q108 R112 R111
∗1 X R114
X 1K
8.9V X
L102
X
Q107
4.7V R115
X
X Q104
4.1V ∗6
R113 4.7V
R116
CF104
X X
X 4.2V
R117
CF103
1K
X
CF105
Q106 Q105
X
X X
ABL
L731
C743
QQL244J-5R6Z
100/16 D733 H_DRIVE
∗2
HFB
R745
1M
C742
R744
.1/16
560
C750
X
D730
∗2
R733
27K D731
∗2
IC701 21
1.1Vp-p(V)
IC701
TDA9386N22S0902
IC701 22
1.1Vp-p(V)
C740
2.2/50
C726
X
C755
X
IC701 33 IC701 42
3.0Vp-p(H) 0.96Vp-p(V)
IC701 43 IC701 47
0.7Vp-p(H) 1.6Vp-p(H)
IC701 51 IC701 52
2.8Vp-p(H) 2.9Vp-p(H)
IC701 53
3.0Vp-p(H)
NOTE
∗1:
2SD601A/QR/-X
∗2: MA111-X
∗4:
UN2212-X
∗5: 2SC1740S/QR/-T
∗6: 2SB709A/QR/-X
BW: BUS WIRE
X: NON MOUNT (OPEN)
0: NRSA02J-0R0X