Circuit Diagrams - JVC AV-21B16 Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/3) SHEET1
POWER LED(GREEN)
ON TIMER LED(RED)
R796
10k
C712
.01
C725
R746
10k
J006 X
FRONT
J004
IN
J003
J002 C841
1500p
VIDEO
REAR
R802
IN
75
REAR AUDIO
OUT R810
C842
X
C805 Q803
220/16
R811
220
C806
R807
470/16
68
LINE_V
R806
270
R815
C811
180
10/50
R816
R817
680 LINE_A
Q804 4.7k
*1
A_MUTE
C812
X
NOTE) 1.Refer to the parts list for the part number of IC702.
D704 R772
IC704 390
S702
S701 S703
Q708
*3
R771 R726
4.7k
0 Q710
*3
C738
CN10A
X
R728
1k
CN00A
R740
K703
3.9k R741
C730
560
C744
.01
.01
K704
C729
180p
IC701
*
X701
C720
X
.01 C711 C710
.01 100/16
K701
C723
X
R718
R734 560
X
R716 R715
R706 R707
680
680
560 560
SCL1
SDA1
MAIN PWB ASS'Y(1/3)
SCG-1546A-H2
1 Y161
Y975
56
Y001
Y002
R374
6.8K
1
S705
SPEAKER
S704
R727 R731 R730
15k 4.7k 10K
C721 R736
82k
.033
R737
100k J005
IC702
IC703
R662 R661
270 270
C709
.01
D655
*4
R738
R739
10k R667 C664
10k
C722 C706 100 100/16
100p .01
Q703
*1 C705 C707
D654
470/16 .01
*7
R742 C656
LB
56k 1/50
Q702
C724
*1
R797
Q653
R714 15k D656
150p *2
4.7k *4
R720
C657
4.7k
100/25
R655
R713 47k
4.7k
R658
R712
D657
2.2k
4.7k
*4
PIC_MUTE
Y976
X
D305
C321
12p
D731
*4 D501
X302
*6 C504
X
D306
V_SYNC
FBP V_OUT R503
C308 C309
6.8k
R401
100/16 .01 C402
10K C503 C502
X
R307
10/50 .01
1.2k R306 C401 C437
SDA1
0
.47 .1
C316
10/50
R308
1.8k
SCL1 R301 0
C301
C341
680P
10/50
C302 D341
4.7/50 *4
R302
4.7k
C365 C366 C367
1/50 1/50 1/50
2
R341
3.3K
2
C306 C307
.01 470/16
CN00T
MAIN PWB ASS'Y(3/3)
(CRT SOCKET)
CN10T
MAIN PWB(2/3) SHEET2
(No.YA415)2-5 2-6(No.YA415)
CN0S5
Y658 X
Y655 X
Y657
Y654 X
Y656
Y653 X
IC651
R668
5.6
D652 D651
*7 *4
C663 R666
R664
.001 100
6.8k
C659
4.7/50
C655
C658
10/50 220/25
R660 C654
15k 470/16
R665
D653
10k
*4
R659
R653 R652
R654 4.7
R656 330 1k
22k
8.2k
C653
C665 10/50
.01
Q652 R651
C652
*1 4.7k
.047
R657
2.2k
Q651 C651
*1
LINE_V AUDIO VIDEO
C314
Q302 R321
LINE_A
.01
*1 1.5k
Q301
C315
100/16
*2
R323
R324
10k
1k
R327 Y301
x
4.7M
C313 Y302 C324 R163
C164
3.3/50 0 33/50 *
D301
*
*5 R325
C162 Y160
C322 X C161
C317 1500p X
.027/25 C323
* Q161
.047/25 0.47/50
*
R322
2.7k R161
*
R165
*
CF161 R166
*
*
CF162
*
IC301
C119
.47/50
C120
120p
C303
C304
C117
10p
.47/50 C305
.22
.47/50
X301
R159
D302 R326 C325
L104 X
180k
*5 100 10/50
C113
.0047
R160
X
C112 R158
47/25 X
SF101
X SF122
C121
.01
L101
C114
R111
R114 R109 C103
*
180
X 6 .8k 47/25
C104
C106 R103
.0047
C110 D102 C107
.0047 10
0 .0047
C111
Q102
X
*10
R118
R116 R117 R115 R112
X
SF102 X X X 10
R110
2.7k
CF103
Q103 R113 X
C105
C108
X 100
.0047
C109 X
X
3.58/OTH
*
IC701
CF161 X X X X
CF162 X X X
X
Q161 X X X X
R161 X 1K X X X
R162 X 1.2K X X X
R163 X 2.2K X X X
R164 X 220 X X X
R165 X 22 X X X
R166 X 820 X X X
C114 .01 X 0.1 0.1 0.1
C161 X .01 X
X X
C164 X .01 X X X
C165 X
.01 X X X
C166 X .1
X X X
TU001
C166
*
AFT
TU001
*
R102
L001 8.2
75
K001
C001
C003
10/50
x
C004
470/16
D001 C002
.01
R001 L002
X X
C005 C006
C009
.1 X
X
IC001
X
R002 220
CF102 R003 220
X
R004 C007 C008
56k X 4.7/50
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