JVC AV-65WP74/HA Service Manual page 81

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MAIN PWB CIRCUIT DIAGRAM (7/12) SHEET 7
IC1301-35
[H]
1.5Vp-p
9V
SHEET 12
5V
SIGNAL
SDA0
SHEET 10
SDA0
SCL0
SCL0
VY_SWAP
VY_SWAP
SHEET 5
L_SWMAIN
L_SWMAIN
R_SWMAIN
R_SWMAIN
2DYC_Y
2DYC_Y
SHEET 6
2DYC_BY
2DYC_BY
2DYC_RY
2DYC_RY
L_SWSUB
SHEET 5
L_SWSUB
R_SWSUB
R_SWSUB
COMY1
COMY1
COMPB1
COMPB1
COMPR1
COMPR1
D13
D13
COMY3
COMY3
COMPB3
COMPB3
COMPR3
COMPR3
SHEET 4
COMY5
COMY5
COMPB5
COMPB5
COMPR5
COMPR5
COML5
COML5
COMR5
COMR5
D53
D53
D5J
D5J
CN100W
OPEN
COMPR4
COMPB4
COMY4
D43
GND
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-M2
IC1301-36
IC1301-38
IC1301-48
[H]
[H]
1.5Vp-p
2.1Vp-p
1.0Vp-p
R1346
OPEN
C1341
1
/16
R1347
75
D1301
COMY3
VGND
MA8100/M/-X
COMPB3
COMPR3
C1342
0.01
VGND
COMY1
COMPB1
COMPR1
R1336
OPEN
C1331
1
/16
C1332
0.01
D1302
VGND
R1337
75
K1304
0
VGND
VGND
MA8100/M/-X
K1305
0
NRSA63J-0R0X
K1306
0
NRSA63J-0R0X
CN10E4
OPEN
K1307
0
NRSA63J-0R0X
VGND
GND
No.52096
AV-65WP74
AV-65WP74
IC1301-50
IC1301-52
IC1301-57
[H]
[H]
[H]
0.5Vp-p
0.7Vp-p
1.8Vp-p
L1302
QRN143J-0R0X
0
C1325
C1324
L1301
1
/16
1
/16
0
QRN143J-0R0X
C1301
100
/16
C1318
1
/16
C1304
0.1
/16
VGND
VGND
AGND2
PbinM
Yout2
Rout1
YinM
PrinM
BIAS
VGND8
IC1301
VGND5
Pbout2
0.01
LinM
AN15852A
Prout2
C1343
RinM
AGND8
AGND5
COMPONENT
Lout2
SLVADR
Rout2
YinS
AVCC
INPUT SW
PbinS
Yout3
PrinS
VGND9
Pbout3
VGND6
DCout
RinS
Prout3
0.01
LinS
AGND6
AGND9
C1333
C1302
100
/16
C1306
0.1
/16
C1303
IGND
K1303
100
/16
0
NRSA63J-0R0X
GND
R1369
OPEN
VGND
VGND
R1311 R1312
OPEN OPEN
R1378
R1359
0
OPEN
C1367
OPEN
C1357
OPEN
OPEN
VGND
VGND
VGND
VGND
2-19
2-20
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
IC1301
25
0
50
4.6
1
0
26
4.3
51
0
2
0
27
4.3
52
4.6
3
4.6
28
4.2
53
0.4
4
0
29
0
54
0
5
4.6
30
4.4
55
0
6
0
31
9.0
56
0
7
4.7
32
4.5
57
4.6
8
5.0
33
4.5
58
0
9
4.6
34
0
59
4.6
10
0.4
35
4.4
60
0
11
4.4
36
4.4
61
4.6
12
4.4
37
0
62
0
13
0
38
4.4
63
4.4
[H]
14
4.6
39
4.6
64
4.4
15
0
40
4.4
65
0
16
4.6
41
4.5
66
4.6
17
0
42
0
67
4.6
18
4.6
43
4.5
68
0
19
0.4
44
4.5
69
0
20
4.4
45
0
70
4.4
21
0
46
4.5
71
4.4
22
0
47
9.0
72
0
23
4.5
48
4.7
73
0
24
4.5
49
0
74
0
Q1301
0.1
/16
2SC3837K/NP/-X
C1372
R1372
R1376
100
VGND
OPEN
R1375
0
R1371
R1373
OPEN
OPEN
C1373
R1374
470
OPEN
VGND
R1377
VGND
VGND
OPEN
0.1
/16
Q1302
C1382
2SC3837K/NP/-X
R1382
R1386
100
VGND
OPEN
R1385
0
R1381
R1383
OPEN
OPEN
C1383
R1384
OPEN
470
VGND
R1387
VGND
VGND
OPEN
C1392
C1307
Q1303
0.1
/16
10
/16
2SC3837K/NP/-X
VGND
R1392
R1396
100
OPEN
R1395
0
R1391
R1393
OPEN
OPEN
C1384
R1394
OPEN
470
VGND
VGND
R1397
VGND
OPEN
C1305
0.1
/16
No.52096
PIN NO.
VOLTAGE (V)
75
4.6
76
4.6
77
0
78
4.4
79
0
80
0
Q1301
E
3.7
C
9.0
B
4.4
Q1302
E
3.6
C
9.0
B
4.4
Q1303
E
3.6
C
9.0
B
4.4
SHEET 8
COMSYNCY
SHEET 9
AP_Y
C1371
33
/16
COM_Y
LC1301
QQR1199-001
COMYGND
C1381
33
/16
COM_PB
SHEET 10
LC1302
QQR1199-001
COMPBGND
C1391
33
/16
COM_PR
LC1303
QQR1199-001
COMPRGND
CN100A
OPEN
VGND
AUDIO_L
SHEET 1
AUDIO_R

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