B Boards Schematic Diagrams - Sony KV-AR252M81 Service Manual

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Table of Contents

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4-3-9. B Board Schematic Diagram
1
2
3
A
R1442
R1464
R1550
D1401
1k
J1402
470k
CHIP
XX
CHIP
UDZS-TE17-9.1B
19
C1440
C1414
R-MON-OUT
20
PROTECT
R
470p
R
18
R1496
1
D1402
470
16V
CH
UDZS-TE17-9.1B
L-MON-OUT
B
CHIP
F
MONITOR OUT
AUDIO
C1441
17
R1497
R1465
C1416
L
PROTECT
470
470p
470k
1
C1413
470
16V
V-MON-OUT
CH
CHIP
16V
L/MONO
16
D1403
V
CHIP
F
R1443
R1492
R1456
UDZS-TE17-9.1B
470k
75
1k
14
CHIP
PROTECT
R3
15
R1400
CHIP
CHIP
R
R1476
D1419
R
13
220k
C1457
C1442
10k
CHIP
1
UDZS-TE17-9.1B
470p
L3
CHIP
16V
UDZS-TE17-9.1B
VIDEO IN 3
AUDIO
12
R1413
CH
R1454
PROTECT
L
C1421
F
220k
1
10k
D1420
C1439
S4
16V
V3
CHIP
470p
CHIP
UDZS-TE17-9.1B
F
L/MONO
11
R1489
D1414
V
CH
C1425
75
PROTECT
9
UDZS-TE17-9.1B
C1432
1
CHIP
XX
C4
10
16V
R1457
R2
R
R1479
1
R
8
10k
220k
F
D1410
CHIP
CHIP
UDZS-TE17-9.1B
L2
C1445
UDZS-TE17-9.1B
VIDEO IN 2
AUDIO
R1480
C
470p
R1458
D1411
L
7
10k
220k
CH
UDZS-TE17-9.1B
PROTECT
CHIP
CHIP
C1426
V2
6
L/MONO
C1446
1
D1412
V
R1481
C1415
16V
UDZS-TE17-9.1B
4
470p
C1423
75
1
F
CH
R1
5
CHIP
1
R1450
R
D1406
3
R1469
16V
R
10k
C1434
220k
F
UDZS-TE17-9.1B
470p
CHIP
L1
CHIP
VIDEO IN 1
AUDIO
2
R1451
D1407
L
CH
10k
UDZS-TE17-9.1B
R1470
C1422
CHIP
CV1
1
L/MONO
1
C1443
220k
V
D1408
CHIP
16V
470p
F
UDZS-TE17-9.1B
CH
R1471
C1402
75
1
CHIP
R1467
J1401
2.2k
S TERMINAL
CHIP
D
S1
S IN
5
6
D1405
1
2
1
2
UDZS-TE17-9.1B
3 4
PROTECT
4
3
Y1
D1409
VIDEO IN 1
C1405
UDZS-TE17-9.1B
L-MON-OUT,R-MON-OUT,V-MON-OUT
1
C1
R1435
PROTECT
75
C1,CV1,L1,R1,S1,Y1
RN-CP
C1418
R1437
1
75
16V
D1404
CHIP
F:CHIP
UDZS-TE17-9.1B
PROTECT
Q1416
E
XX
C1512
SWITCH
XX
16V
B
R1487
R1488
XX
47k
DVD-Y
Q1417 XX SWITCH
Y
R1463
C1488
R1468
XX
XX
XX
R1505
D1425 XX
R1466
XX
9V
XX
R1472
C1513
F
XX
XX
DVD-BY
Q1418 XX
U
1
R1506
C1489 XX
R1475
R1477
XX
R1473
D1426
XX
XX
XX
XX
Q1419
R1478
XX
XX
R1490
XX
C1514
XX
DVD-RY
G
Q142 XX
V
R1507
D1427 XX
R1493
XX
R1498
XX
XR1491
XX
XX
C1490
Q1421
XX
XX
R1499
XX
H
DVD-Y
Y
1
2
GND
DVD-BY
L3,R3,V3
BY
3
R1519
GND
4
DVD-RY
C1502
10k
RY
5
CHIP
1
I
GND
6
16V
DVD-L
F
L
7
U,V,Y
R
8
DVD-R
CN1420 XX
C1503
R1520
R1521
R1518
1
220k
10k
220k
D1428
GND
16V
CHIP
CHIP
UDZS-TE17-9.1B
1
CHIP
F
D1429
PROTECT
L
2
UDZS-TE17-9.1B
R
3
PROTECT
C1500
CN1421
470p
3P
:CHIP
TO J1 BOARD
C1501
CN2410
470p
J
:CHIP
KV-AR252M81
4
5
6
CN1422
CN1423
8P
7P
TO BC BOARD
CN2000
TO BC BOARD
TO A BOARD
CN2001
CN1400
9P
WHT
TO H1 BOARD
CN3904
C
D1415
R1411
C1460
S
UDZS-TE17-9.1B
10k
470p
9V
PROTECT
CHIP
CH
R4
R4
R1409
C1461
AUDIO (L)
AUDIO (R)
220k
D1416
AUDIO (R)
1
CHIP
UDZS-TE17-9.1B
MSD601-RST1
L4
L4
16V
C1459
R1523
PROTECT
R1410
470
BUFFER
F
C1462
470p
R1522
220k
1
CHIP
L1401
100
R1412
16V
C1510
CHIP
R1525
Y4
10k
100uH
CHIP
F
CH
XX
470
R1526
R1537
C1473
C1485
CHIP
Q1427
CHIP
470
75
1
47
MSB709-RT1
D1421
CHIP
CHIP
35V
C1506
V4
V4
UDZS-TE17-9.1B
BUFFER
R1544
82p
D1422
R1524
PROTECT
R1538
C1474
R1542
R1527
220
470
CH
75
1
47k
470
CHIP
CHIP
PROTECT
CHIP
C1499
CHIP
CHIP
Q1425
0.1
R1540
Q1424
D1423
MSB709-RT1
16V
2.2k
MSD601-RST1
B
UDZS-TE17-9.1B
CHIP
BUFFER
BUFFER
R1539
PROTECT
C1475
R1543
R1546
1
75
47k
1k
D1424
CHIP
R1545
CHIP
R1530
R1532
16V
470
CHIP
470
XX
F
R1533
CHIP
RN-CP
CHIP
0
Q1400
CHIP
R1531
XX
470
BUFFER
RN-CP
Q1401
XX
C1515
BUFFER
XX
C4,L4,R4,S4,V4,Y4
L2,R2,V2
Q1413
2SC2712-YG
C1479
SWITCH
Q1414
L1409
0.1
10uH
C1511
Q1423
2SC2712-YG SWITCH
16V
B
XX
2SC2712-YG
R1482
16V
C1478
B
R1459
220
47
R1448
220
CHIP
R1510
16V
470
220
CHIP
R1483
CHIP
Q1415
V-MON-OUT
R1460
220
CHIP
XX
220
CHIP
R1447
Q1412
Q1422
CHIP
SWITCH
470
MSB709-RT1
2SC2712-YG
CHIP
SWITCH
R1484
R1485
R1511
100
R1449
R1508
R1512
220
XX
100
CHIP
220
100
CHIP
CHIP
CHIP
CHIP
C1480
R1461
R1513
C1481
R1486
100
R1509
0.1
100
C1496
47
XX
CHIP
220
16V
CHIP
CHIP
4.7
35V
B
10V
F:CHIP
R1511
100 RN-CP
R1503
R1502
R1429
100
100
XX
RN-CP
R1494
RN-CP
100
CHIP
NC
NC
D1L3
NC
R1416
C1498
C1495
SC-OUT
D2L3
100:
CHIP
1
47
D1L2
SC2
R1419
R1504 100 :CHIP
16V
10V
D1L1
SDET
100
F:CHIP
R1414 100 RN-CP
DDET1
SY2
F:CHIP
RN-CP
MTVR
R1408 100 RN-CP
C1497
R7
L2
R1417
IC1400
R1407 100 RN-CP
MTV
1
CV7
CV2
AN15856A
100 RN-CP
R1415 100 RN-CP
MTVL
L7
AV SWITCH
R2
16V
R1405
C1476
VREF
ADD
F:CHIP
R1427 100 RN-CP
C1
10
100 RN:CP
SC1
SCL
R1406
S1
R1428 100 RN-CP
SDET
SDA
100 RN-CP
Y1
R1424 XX
SY1
L5
R1403
R1
R1425
R1
CV5
CV1
100 :CHIP
XX
R1404
CV1
R5
100: CHIP
NC
NC
R1401
R1426
100 :CHIP
100 : RN-CP
R1402
R1430
100
CHIP
100
RN-CP
R1439
100
RN-CP R1438
R1433
R1432
R1431
100
100
100
RN-CP
100
RN-CP
RN-CP
RN-CP
B
(AV SWITCH)
– 50 –
KV-AR252M81
RM-W102
RM-W102
7
8
9
CN1424
CN1425
XX
XX
TO A BOARD
CN905
CN015
CN1426 XX
CN1427 XX
5V
Q1428
C1509
XX
9V
R1420 XX
C1467 XX
R1514
Q1429
L1411
XX
XX
Q1426 XX
XX
CHIP
C1466
R1516
R1528
XX
C1464 XX
XX
C1465
XX
R1515 XX
R1529
0
XX
CHIP
Q1430
IC1404 REGULATOR
C1508
XX
D1431
XX
BUFFER
XX
C1507
XX
16 15 14 13 12 11 10
9
D1430
XX
5V
C1504 XX
SCL,SDA
C1505 XX
9V
9V
9V
5V
FL8802 XX
EMI
L8801
XX
IC8801
XX
PIP
C8802
C8826 XX
(ADD: D6H)
R8801
C8803
C8804
XX
XX
XX
XX
C8801
CVBS 1
R8802
XX
X IN
X8801 XX
C4
XX
VREFM
X O
S4
Y4
HSP
U IN
VREFL
L4
VSP
V4
SDA
V IN
R4
C8827 XX
VSS A1
SCL
SCL
VDD A1
R8803
SDA
R8804
VDD
XX
XX
C1484 XX
CREFH
VSS
C1483 XX
VSS A2
JR1482 0 :CHIP
12C
VDD A2
C1482
INT
C8828 XX
V OUT
1
IN 1
16V
Y OUT
C8829 XX
F:CHIP
IN 2
U OUT
IN 3
C8830 XX
FSW SEL
R8811 XX
L-OUT,MAIN-C,MAIN-CV,MTV,MTVL,MTVR,R-OUT
CN1418
CN1419
5P
8P
WHT
TO A BOARD
TO A BOARD
CN011
CN010
10
11
12
CN205
XX
TO A BOARD
CN203
TU1400
R238
XX
100
R237
RN-CP
100
RN-CP
C234
JR1280
470p
XX
C235
C1450
CHIP
470p
470p
R200
CHIP
1.5K
RN-CP
C201 2.2 10V B:CHIP
C1453
C1451 XX
C202 0.15 10V B:CHIP
100
C1454 XX
R201 3.3K RN-CP
C208 0.33
C200
R202
C1452
16V B:CHIP
C1455 XX
2.2
XX
5.6K
R204
R1423
10V
RN-CP
XX
R203
3.3K
C207 0.1 PT
B:Chip
1
2
3
4
5
L1406
1.5K
C210
C203 0.15 10V B:CHIP
L1405 XX
XX
100
:CHIP
C206
L1400 XX
C237
0.033
R205
R207
XX
R1434
6.8K
16V
R211
XX
5.6K
C209
10k
X
:CHIP
XX
RN-CP
CHIP
C204
C223
R210
R226
0.1
Q204
XX
XX
10k
PT
RN-CP
XX
R223
R233
L200
XX
XX
R232
MMDL914T1
XX
10k
C230
XX
CHIP
C229
Q205
XX
C262
XX
XX
R227
R222
C226
XX
XX
XX
C259
XX
5V
C225
C263
R241
XX
R251
XX
XX
R224
XX
R225
C260
XX
XX
Q206
XX
C227
XX
R243
R228
XX
XX
SW
XX
C257
C261
XX
S
D212
XX
XX
R242
D214
XX
C258
R245
XX
R252
XX
XX
XX
D213
R253
R244
XX
XX
XX
D215
XX
30V
IC1402
NJM78M09FA
BUFFER
O
I
G
C1409
C1406
C1408
C1407
47
100
5V
0.1
35V
OUT
25V
25V
25V
VCC
F
GND
F
C1410
C1417
IC1403
220
220
BA05T
16V
C1411
9V
5V
16V
C1412
BUFFER
25V
25V
0.1
L1410
0.1
F
XX
F:CHIP
C1492
XX
C1493
XX
C8818
L8806 XX
XX
5V
FL8808
XX
C8808 XX
EMI
R8815 XX
R8813
C8805 XX
XX
C8823 XX
C8809 XX
C8806
R8814
XX
XX
FL8804 XX
R8843 XX
C8807
EMI
C8810 XX
XX
Q8805 XX BUFFER
FL8803 XX
C8816 XX
EMI
C8814 XX
FL8805 XX
R8844
EMI
XX
C8835 XX
R8845 XX
C8813 XX
C8836
R8846
XX
C8811 XX
R8808
C8817 XX
R8807 XX
C8831 XX
XX
C8812 XX
R8837 XX
C8815 XX
R8852 XX
R8835 XX
R8810 XX
R8812 XX
R8849 XX
R8806 XX
R8836 XX
C8837 XX
R8809 XX
Q8803 XX BUFFER
L8809
Q8811
R8841 XX
Q8802 XX BUFFER
XX
XX BUFFER
R8840 XX
R8851
Q8801 XX BUFFER
R8838 XX
XX
CN8801
XX
TO A BOARD
CN009
– 51 –
13
14
CN207
CN202
XX
6P
WHT
TO H1 BOARD
TO H1 BOARD
CN3903
CN3902
D200
DA204K
IC200
AN5277T
C214
R217
C217
1000
AUDIO AMP
330
R219
1000
25V
25V
330
R234
47
R235
47
C218
9
22
6
7
8
10
11
12
C232
0.047
JL206
PT
D209
C215
C212
XX
2200
XX
R218
3
AUDIO VCC
D210
0
C213
CHIP
2
AUDIO VCC
0.1
XX
1
AUDIO GND
B
R212
CN206
C211
0
4.7
CHIP
XX
D211
TO A BOARD
DA204K-T-146
CN204
XX
CN1416
XX
1
GND
30V
1
30V
2
GND
11V
3
11V
7V
4
7V
5
GND
CN1417
XX
TO A BOARD
CN619
1
9V
2
ATT_SW
3
GND
C1494
XX
CN1401 XX
TO RF SPUTTER
IC8802 XX
C8821 XX
C8819
XX
VCC
OUT
GND
C8822 XX
L8807
C8820
XX
XX
Q8807 XX BUFFER
R8820 XX
R8816 XX
R8821 XX
Q8806 XX
R8817
Q8804 XX
R8818 XX
R8842 XX
XX
R8833 XX
R8834
R8819
XX
XX
C8834XX
R8822
R1500
R8847 XX
R8823 XX
XX
R8832
XX
R8848
XX
R8827 XX
XX
XX
R8824 XX
C8825 XX
Q8810 XX
R1501
XX
Q8812 XX BUFFER
R8831
D8801 XX
XX
R8830 XX
R8828 XX
R8850 XX
Q8808 XX BUFFER
R8825 XX
R8853
C8824
R8826
XX
XX
XX
R8829 XX
C8833
XX
R8854
XX
Q8809
XX
BUFFER
B-SSS11944-ME.-B..AR252M81

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