Schematic Diagram Of B Board - Sony KV-XA25M31 Service Manual

(3) Schematic Diagram of B Board

1 2 3
CN1400
9P
C1461
R1411
WHT C1460 1
47k
:S-MICRO 470p 16V D1415
AUDIO(R)
CH:CHIP F:CHIP :CHIP UDZS-TE17-9.1B
R
1
A R IN
C1462
R1409
2 1 R1412
GND 220k AUDIO(L)
16V 47k
:CHIP
-2 -2 :CHIP -2
L IN 3 F:CHIP L
GND 4
R1410 C1459 D1416
220k 470p
Y IN 5 UDZS-TE17-9.1B
:CHIP -2 -2 CH:CHIP -2
B
Y Y
GND 6
-2 JR1404
CV
A # CV
CV IN 7
S D3201
S
8
S IN 1SS355TE-17
C C RECTIFY
C IN 9 :CHIP
RSP
TO H BOARD C3244 R3207 C3245
CN3904 1 10k R3200 0.47
16V :CHIP 1M 25V
F:CHIP :CHIP F:CHIP
C6222 C3246
2.2 47p
B 16V CH:CHIP CH:CHIP
R3276
F:CHIP
#
R3246
680
:CHIP
9V
8 7 6
C3204
#
IC3204
UPC4558G2
BASS BOOST 1 2 3
R3253
680
:CHIP
R3241
C6220 C3252
68k
2.2 C3255 100p
:CHIP
C3223 16V R3275 47p CH:CHIP
0.022 F:CHIP # CH:CHIP
C
B:CHIP
C3220
0.022
B:CHIP 9V
R3240
22k R3224 R3254
D3203
:CHIP 150k 10k
1SS355TE-17
:CHIP :CHIP
LSP
C3257
1
16V R3255 C3238
F:CHIP 1M 0.47
:CHIP 25V
F:CHIP
C3224
2.2 9V
4 3 2 1
16V
F:CHIP
IC3202
R6251
Q6206 #
#
R3263 MUTING
5 6 7 8
C3221 68k
:CHIP
0.022
D
B:CHIP
R3238
C3227 10k C6201
R3262 2.2 :CHIP C3225 # R6248 C6216
C3222
R3242 150k 16V 0.1 # #
0.022 C3226
22k :CHIP F:CHIP 25V
B:CHIP 10 R6253
:CHIP F:CHIP
#
Q6207
R6250
# #
R3239 VOL
R6260 10k C6214
R6249
# :CHIP #
#
R6256 D6205 R6252 S
# C6215
#
# # R6205
R6207
#
CN6204 #
C6253
6P
#
WHT
:S-MICRO
1
LPH
L SP
2
C6211
AUDIO GND 3
E R6233 C6242
AUDIO GND 4
# C6210
#
330
R SP 5
10V
C6200
RPH 6
0
R6245
:CHIP
4.7k
TO H BOARD :CHIP
L
CN3902
R6202
C6244
4.7k
2200P
:CHIP
:CHIP
Q6203
C6241
R6234 C6243 UN2213
10
# # AMP
C6245
R
2200P :CHIP
R6246 C6249
F
4.7k 0
R6219
:CHIP :CHIP
47k R6201
:CHIP
4.7k
:CHIP
C6213
10
Q6204
Q6208 UN2213
UN2213 AMP
AMP
R6203
0 :CHIP
CN6200
4P
YEL
:S-MICRO
G AUDI GND 1
AUDI GND 2
AUDI +VCC 3
AUDI +VCC 4
TO A BOARD
CN608
IC6201
#
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C6228
C6226 #
H R6240
#
C6229 FB6202
# #
C6225 R6237
# #
C6219
C6233
#
#
R6236
C6236
C6234 #
C6232 R6235 FB6201 # R6206
#
# # #
#
C6235
#
Q6200
#
L6202 C6239
# #
CN6202
Q6205
#
C6237 C6238 R6243 #
R6244 MUTING
# # #
#
1
W OUT
I
C6240
2
W OUT #
3
GND
R6200
GND 4
#
TO H BOARD
CN3903
CN6205
#
TO A BOARD
CN605
J
– 87 –
KV-XA25M61/XA25M31/XA25M90/XA25M80/XA25M50
KV-XA25M87/XA25M84/XA25M86
RM-953
4 5 6
R/L/Y/S/C/CV
R3206
390 9V
C3243 :CHIP
C3202
0.33 0.033
25V
Q3201 :MPS R3208
B:CHIP
2SK246-GR Q3202 1.8k
2SC2712-YG :CHIP
VOL.
R3202 INDUCTOR
100k
R3203 R3205
R3204
1M 6.8k
3.3k
S :CHIP :CHIP
R3201 :CHIP
1M R3210
:CHIP
R3236
C3247 R3235
470k
4.7 150k L IN
:CHIP :CHIP C3249
2.2
C3248 16V
L OUT
100p C3200 F:CHIP
# R
R OUT
R3237
680 C3250
:CHIP 1
9V R IN
16V
IC3203
F:CHIP
NJU4066BM-T2
RSW
5 R3222
R3245
10k 9V
100k CENTER
:CHIP
:CHIP SW
R3221
GND
10k
R3220 :CHIP
100k 9V
:CHIP C3251
C3253
10
4 100
R3223
16V
680
:CHIP C3281
L 100p
CH:CHIP
C3254
R3252 R3251
C3205 470k 2.2
C3256 150k
# :CHIP 16V
4.7 :CHIP
F:CHIP
R3234
Q3204 390
16
:CHIP C3280
2SK246-GR
S 100p
VOL. C3258
R3258 0.033 9V CH:CHIP
1M
25V
Q3203
R3257 :CHIP B:CHIP
R3256 100k 2SC2712-YG
1M :CHIP INDICATOR
:CHIP C3239
0.33
:MPS R3259 R3233 C3213
6.8k 1
3.3k 100
:CHIP 9V
:CHIP 25V
9V 9V
R6220
#
C3214
R6268 C3215
Q6202 0.1
# 10
# B:CHIP
MUTING
R6263
C6251
# C3216
#
10
C3217
100
25V
-2
D6210
R6262 C6252
DA204K
R6257 # #
#
9V 9V
9V
C6221
#
9V L3202
IC6200
R6258 PRE-GND 9V :FLR50
RIPPLE TA8200AH
330 68
10V AUDIO AMP
FILTER
:CHIP
C3201
R6254
68 10
C6212
:CHIP
47 C6209 C6205
C3203
25V 0.1 0.1
D6211 0.1
:PT :PT
B:CHIP
MA111-(K8)-SO
C6223
1
R6259 R6255 9V
L OUT
4.7 4.7
:CHIP :CHIP 9V
9V
VCC
PW-GND
L1315
D6202 C1331
# :FLR50 -2 -2 #
C6217 D6201
0.1 #
C1330
25V R OUT
B:CHIP 10
9V
R6209
Q6214
1k
#
:CHIP D6212
AMP
MA111-(K8)-SO 9V
C6202
2200
R6278 9V R1359
0 :CHIP 100
:CHIP
Q1317
JR6205
2SC2712-YG
# C6203
R1360
0.01 BUFFER
470
JR6206 B:CHIP
Q6201
0 :CHIP -2
UN2213 :CHIP
AMP
9V
L
9V
9V
R
9V
9V
9V 9V 9V
PS6200
#
FB6203
R6241
C6207 C6227 # R1416
#
# # # JW(5MM)
L1402
R1415
7V
* *
R6239
#
9V
-2
D6200 C1407
*
#
C6208 C6231
# #
PS6201 FB6200
# #
7V
30V C
9V
R6266
#
-2
CN6206
CN1300 CN1404
5P CN1405
3P *
10P
WHT
:BTOB
:S-MICRO WHT
TO A BOARD :BTOB
TO A BOARD
CN201 CN302 TO A BOARD
CN101
KV-XA25M61/XA25M31/XA25M90/XA25M80/XA25M50
RM-954
KV-XA25M87/XA25M84/XA25M86
RM-953
7 8 9
C3265
4.7
10V
F:CHIP
IC3206
BH3868FS-E2
C3272
R3209 SURROUND PROCESSOR
100 R3227
2.2k :CHIP
56k :CHIP
25V
GND FILTE
R3211 R3243 1M :CHIP
2.2k
9V
:CHIP
C3231 1
C3234
1.8k :CHIP LS1 AGCAD
4.7
R3244 1M :CHIP
10V
F:CHIP
C3232 1 R3228 33k :CHIP
VCC LS2 PS2
R3247 C3233 C3266 0.1 25V
4.7k 0.0047
LSW B:CHIP
R3212 R3213 :CHIP B:CHIP
1.5k 1.5k SOUT PS1
:CHIP
:CHIP C3235 C3273
4.7 10V F:CHIP 0.1 25V B:CHIP
IN2 IN1
9V
C3274
4.7 10V F:CHIP
BBASA BBASA
C3236
C3275
0.033 0.033
B:CHIP B:CHIP
BBASB BBASB
BTREA BTREA
C3237
C3267
0.0033
0.0033
B:CHIP
B:CHIP
9V
BTREB BTREB
C3276
C3209 0.033
0.22 C3210 B:CHIP
C3208
16V 0.0047
0.01 BAS2 BAS1
B:CHIP B:CHIP
B:CHIP C3277 C3268
C3211 0.033 0.001
0.22 B:CHIP B:CHIP 9V
16V TRE2 TRE1
B:CHIP
C3269
0.001
15 14 13 12 11 10 9
B:CHIP
OUT2 OUT1
9V
C3240 C3270
IC3201
4.7 4.7
NJM2188-TE2
VC2 VC1
TRU SURROUND
C3271
4.7
TC BC
2 3 4 5 6 7 8 C3241 R3248
C3242 9V
100
22 4.7
SDA
:CHIP
VCC SDA
9V
R3215
82K
R3216 :CHIP SCL
2.2M CHIP SCL 9V
:CHIP R3217 R3249
33k JR3201 100
:CHIP # :CHIP
R3226
82k
:CHIP
R3218
56k C3230
:CHIP 0.0047
B:CHIP
C3219 R3225
0.01 1.5k
B:CHIP :CHIP R3230 9V
9V 9V
100
:CHIP 9V
R3219
R3229 10k
100 :CHIP
:CHIP
16 15 14 13 12 11 10 9
IC3205 9V
CXA1315M
DAC
1 2 3 4 5 6 7 8
R3231
10k
:CHIP
R3232 9V
10k 9V
:CHIP
9V 9V 9V
L1317
R1364 R1397
C1305 R1363 C1333 C1312
47k 680 L1313 R1370
220 47
0.1 :CHIP 0 UH 470 0.1
-2 :CHIP :CHIP 16V
25V :CHIP 25V
-2 -2
F:CHIP F:CHIP
Q1324 9V
Q1316 2SC2712-YG
2SA1162-G
PEAKING AMP
AMPLIFIER
C1307 Q1318
R1366
1 2SC2712-YG
R1372
16V 0
AMPLIFIER 470
F:CHIP :CHIP R1369
100 :CHIP
Q1323
:CHIP
2SC2712-YG R1367
C1311
AMPLIFIER #
#
-2 -2 Q1372 R1301
C1395
-2 2SC2712-YG
R1365 82p 470 R1350
R1362
C1306 22k R1368 R1318 DELAY BUFFER :CHIP 33k
1.8k CH:CHIP
# :CHIP 1k 220 Q1365 :CHIP
:CHIP -2
:CHIP :CHIP 2SC2712-YG
-2 C1308
R1344 L1314
# -2 -2 BUFFER
100 9V
R1361
C1310 :CHIP
470 R1371
47 R1343
:CHIP 390 R1347
16V 1K
:CHIP -2 100
-2
R1345 :CHIP
-2 -2
470
:CHIP R1346 R1320
C3228 -2
470 22k
10
:CHIP :CHIP
25V
:BP
9V
9V
C3262
47
16V
E
C3264
C3260 R3271 100p
100p 3.9k CH:CHIP
CH:CHIP :CHIP
R3274
R3269
3.9k 9V
2.2k
:CHIP
:CHIP
R3273 C3229
2.2k 10
R3268
25V
1k :CHIP
:BP
:CHIP
IC3200
R3267
1k
E1
:CHIP AUDIO MIXER
C3259
4.7 9V 9V
IC1404
C1428
L1404 NJM78M09FA
100 9V 9V
REGULATOR
25V
I O
IC1403 G
C1431 C1433 C1436
* 0.1 47 0.1
REGULATOR -2 -2 25V -2 16V -2 -2 25V
F:CHIP F:CHIP
5V 5V 5V
I O
G
-2 -2 -2 -2
C1412 C1417 C1420
* *
*
30V 30V
9V
5V
30V
CV/Y
TV R L
-2
-2
CN1407
CN1406 CN1408
8P
10P
WHT TO P2 BOARD
WHT
:BTOB CN4301
:BTOB
TO A BOARD
TO A BOARD CN102
CN303
RM-954
10 11 12
TU1401
JR1409 R1474
JW1481 *
0
:CHIP 10MM
JR1401
*
-2
-2 -2 C1456
R1462
JR1410 *
0
-2 -2
:CHIP
C1430
JR1402
*
*
-2
V
L1407
9V 9V 9V 9V * 9V
5V
5V
5V
-2
R1475
47k
L :CHIP
C1404 C1406 R1429 R1452
IC1402
5V 0.1 100p 47k 47k
UPC4558G2
25V :CHIP :CHIP
L B:CHIP CH:CHIP
C1419
C1401
100p
9V 9V
330
16V CH:CHIP
C1400 C1411
# 0.1
-2 -2 25V
R B:CHIP
R
R
D1401 C1414 R1464
R1442
UDZS-TE17-9.1B 1 470k
1k
16V :CHIP
:CHIP -2 PROTECT -2
F:CHIP
L
C1416
R1443 D1402 R1465
1
1k UDZS-TE17-9.1B 470k
16V
:CHIP PROTECT :CHIP
-2 F:CHIP -2
V
R1456
C1413 C1457
D1403 470k
470 1
UDZS-TE17-9.1B :CHIP
-2 16V -2 16V
PROTECT
R1476 F:CHIP
56k
:CHIP
5V
C1421
C1442
R1454 1
16V 470p
56k
F:CHIP CH:CHIP
:CHIP
R1448 R1444
Q1409 C1439
R1505 C1464 R1506 560 47k R1501 R1439
JR1413 470p
75 100 220 :CHIP 2SC2712-YG :CHIP 680 0
# CH:CHIP
CV :CHIP 16V :CHIP BUFFER -2 :CHIP :CHIP
R1427
A2 R1432 C1432
3.9k D1414 C1425
470 100
:CHIP # 1
16V
B2 -2 -2 :CHIP -2 -2 16V
-2 F:CHIP
D1418 R
UDZS-TE17-9.1B
D1410 R1457 C1426 R1479
PROTECT 9V -2
UDZS-TE17-9.1B 1
10k 220k
PROTECT 16V
-2 :CHIP :CHIP
F:CHIP
L
5V R1424
C1408
10k D1411
JR1408 10 R1458 R1480
:CHIP UDZS-TE17-9.1B
# -2 10k 220k
PROTECT -2 :CHIP :CHIP
V
R1425
D1412 C1415 R1472
820 R1481
UDZS-TE17-9.1B 47 220
:CHIP 75
PROTECT 25V :CHIP
-2 :CHIP
R
Q1408
D1406 C1423
2SC2712-YG R1450 R1469 C1434
1
BUFFER UDZS-TE17-9.1B 10k 220k 470p
16V
R1421 PROTECT -2 :CHIP -2 :CHIP CH:CHIP
C1403
2.2k L F:CHIP
47
:CHIP
25V -2
D1407 R1451 C1422 R1470
UDZS-TE17-9.1B 10k 1 220k
:CHIP 16V :CHIP
PROTECT -2 -2
5V V F:CHIP
D1408
C1402 R1460 R1471
UDZS-TE17-9.1B
47 220 75
PROTECT -2 25V :CHIP -2 :CHIP
S1
D1405 R1467
2.2k
UDZS-TE17-9.1B
:CHIP
PROTECT -2
9V
Y
D1409 C1405
R1473
UDZS-TE17-9.1B 47
220
5V PROTECT 25V
-2 :CHIP
C
D1404 C1418 R1466 R1437
UDZS-TE17-9.1B 220
0.01
:CHIP :CHIP
PROTECT -2 F:CHIP -2
5V
A1
9V 9V 9V 9V
R1463
R1449
10k
10k
R1500
B1
100
-2
:CHIP
R1417
100
R1455
:CHIP
10k
:CHIP
H1 G1
-2 -2
5V
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
IC1401
CXA1855S
AV SWITCH
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
-2
R1426 R1428
100 100 R1446
:CHIP :CHIP 220k
5V
:CHIP
-2 -2
C1429
R1468
33
68k
25V
:CHIP
C1409
#
R1440 R1482
L1401
# 100
#
9V 9V :CHIP
-2 -2
R1419
*
R1403
220
5V
Q1401 :CHIP
2SC2712-YG Q1403
R1404 2SC2712-YG
BUFFER
0
R1401 BUFFER
:CHIP
*
R1402 Q1402
-2 R1405
* 2SA1162-G
-2 30V
BUFFER 30V
30V
30V
TV/R/L
JR1412
#
JW1400
5MM
-2 -2
CN1403
3P
CN1401
WHT
1P
CN1409 -2
:S-MICRO
10P
TO A BOARD
WHT TO A BOARD
CN105
:BTOB CN106
*
– 88 –
13 14 15
*
9V
-2
R1420 C1450
5V C1453
* *
*
30V
C1437 C1463 -2 -2
# #
-2
-2
Q1410 C1451 C1454
2SC2712-YG * *
BUFFER R1423 -2 -2
*
*
C1455
-2 -2 C1452 *
*
C1458
C1438 -2 -2
* * R1494
JR1403 R1422 9V
*
#
#
-2
R1495
L1406
L1403 * *
9V
* -2
9V
5V
5V
30V
J1402
12P
R
30V
R4 AUDIO
C1440 R1496
470p 470
CH:CHIP -2 :CHIP
L/MONO
L4
C1441 R1497
470p 470
CH:CHIP :CHIP MONITOR
-2
OUT
R1487
V4 VIDEO
R1492
2.2k
68
:CHIP
:CHIP
R
R3 AUDIO
R1400
220k
:CHIP
-2 -2
L/MONO
L3
R1413
30V
220k R1488
-2 :CHIP -2 2.2k
:CHIP
VIDEO IN 3
V3
R1489
75
:CHIP
-2 R
AUDIO
C1445 R2
470p
CH:CHIP
-2 -2
L/MONO
C1446 L2
470p
-2 CH:CHIP -2
VIDEO IN 2
V2
30V
-2
R
AUDIO
R1
-2
L/MONO
L1
C1443
470p
CH:CHIP
-2 -2
VIDEO IN 1
V1
S IN
30V
2 1
-2 -2
4 3
C Y
R1435
75
VIDEO IN 1
:CHIP
-2
J1401
S TERMINAL
75
30V
9V
D1413
#
-2
9V
5 4 3 2 1
30V
44 45 46 47 48
9V
C1449
100
-2 16V
30V
-2
R1478
C1448
1.2k
0.47 :CHIP
C1444
25V
0.47 -2
F:CHIP
25V
F:CHIP
9V
Q1404
2SC2712-YG
BUFFER
R1406
33 R1408
:CHIP 180
:CHIP
30V
R1407
220
# -2 :CHIP -2
30V
TV/R/L
(
AUDIO PROCESSOR,AUDIO AMP,SUB TUNER,
AV IN/OUT, VM DRIVER
B-SSSBG3R-...-B..XA25
CN1402
#