Schematic Diagram Of B Board - Sony KV-XA25M80 Service Manual

(3) Schematic Diagram of B Board

1 2 3
A
CN1400
9P C1461
R1411
WHT C1460 1
47K D1415
AUDIO(R) 470p 16V
:S-MICRO UDZS-TE17-9.1B
CH:CHIP F:CHIP :CHIP
R
R IN 1
C1462
R1409
2 1 R1412
GND 220k
47K
:CHIP 16V AUDIO(L)
3 :CHIP
L IN F:CHIP L
GND 4 C1459
R1410
470p D1416
220k
5 CH:CHIP UDZS-TE17-9.1B
Y IN :CHIP
B
Y Y
6
GND
-2
A JR1404 # CV
CV
CV IN 7
S
S
S IN 8 D3201
C * R3202
C RECTIFY *
C IN 9
B TO H BOARD RSP R3207
C3244 C3245
R3201
CN3904 * * R3200
*
*
*
C3246 *
C6222
2.2
16V
F:CHIP R3276
* R3246 C3248
* *
9V
8 7 6
IC3204
*
BASS BOOST C3204
#
C
C6220
1 2 3
2.2
16V R3253
F:CHIP *
R3241
C3223 0.022 B:CHIP
68K C3252
:CHIP C3255 *
R3275 C3256
*
* *
C3220
0.022
9V
R3240 B:CHIP
R3224
22k C3257
:CHIP 150K R3254 D3203
*
:CHIP * *
LSP
R3255 C3238
R3256
* * *
C3224
2.2
D 9V
4 3 2 1 16V
F:CHIP
IC3202
UPC4558G2
R6251
Q6206
*
*
R3263
MUTING
68K 5 6 7 8
C3221
:CHIP
0.022
B:CHIP C3227 R3238 C6201
2.2
10k C6216
R3262 16V C3225 * R6248
:CHIP
R3242 C3222 F:CHIP 0.1 *
150K *
22k 0.022 C3226 25V
:CHIP
:CHIP B:CHIP 10 F:CHIP R6253
*
R6250
R3239
Q6207 *
10k
* C6214
R6260 :CHIP R6249
VOLUME #
*
*
R6256 D6205 R6252 S
C6215
#
E * *
RECTIFY * R6207
R6205 C6221
*
CN6204 C6253 *
6P *
WHT
:S-MICRO
1
LPH
L SP 2
C6211
3 330
AUDIO GND
10V
R6233 C6242
AUDIO GND 4
# # C6210
330
R SP 5
10V
C6200
6 R6245
RPH C6244 0
4.7K 2200P
:CHIP
:CHIP :CHIP
TO H BOARD L MA111-(K8).SO
CN3902 R6202
Q6203
4.7K
UN2213
:CHIP
C6241
F
R6234 C6243 10
# #
C6217
0.1
25V
B:CHIP
C6245
2200P
:CHIP
R R6209
1k
R6246 :CHIP
C6249
4.7K R6219
0
47k R6201
:CHIP :CHIP
:CHIP 4.7K
:CHIP
C6213
10
Q6204
Q6208 UN2213
UN2213
G AMP
R6203
0 :CHIP
CN6200
4P
YEL
:S-MICRO
1
AUDI GND
AUDI GND 2
AUDI +VCC 3
4
AUDI +VCC
TO A BOARD
CN608
H
IC6201
*
3D AMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
* C6228 *
C6226 R6240
*
*
C6229 FB6202
C6225 R6237
* *
* *
C6219
*
C6233 R6206
* #
C6236
C6232 FB6201 R6236
* D6200
* *
I * *
PROTECTOR
R6235
*
C6234
* C6235
*
Q6200
L6202 *
C6239
MUTING
*
*
CN6202 Q6205
C6237 C6238 R6243 R6244 *
*
*
* * *
1
W OUT
2
W OUT C6240
*
GND 3
R6200
GND 4
*
TO H BOARD
CN3903
J
CN6205
TO A BOARD
CN605
KV-XA25M80/XA25M83/XA25N90
RM-954
4 5 6
R/L/Y/S/C/CV
R3206
9V
*
C3243
C3202
Q3201 * * R3208
Q3202 1.8k
*
VOLUME :CHIP
*
INDUCTOR
R3205
R3203 R3204
*
S * *
R3210 1.8k
C3247 R3236 R3235
* * * L IN
C3249 L OUT
C3200
# * R
IC3203 R OUT
R3237
NJU4066BM
*
C3250
R IN
9V
*
RSW
R3245
5
R3222
* 9V
CENTER
*
SW
GND
R3221
R3220
*
*
9V
C3251 C3253
4 *
*
R3223
C3281
* L
100p
C3208
CH:CHIP
0.01
C3254
R3251 B:CHIP
C3205 R3252
*
# *
*
R3234
* 16
Q3204 C3280
* S
C3258 100p
VOLUME
R3258 9V CH:CHIP
*
R3257 *
Q3203
*
2SC2712-YG
C3239 INDICATOR
*
R3233
R3259 C3213
1
* 100
* 9V
25V
9V 9V
R6220
#
C3214 C3215
R6268
0.1 10
Q6202 B:CHIP
*
*
MUTING
C6251
R6263 C3216
*
10
*
C3217
100
25V
D6210
R6262 C6252 DA204K
R6257
* *
*
9V 9V
9V
*
9V
L3202
IC6200
PRE-GND
R6258 TA8200AH 9V :FLR50
RIPPLE
*
AUDIO AMP
FILTER
C3201
R6254
10
*
C6212
47 C6209 C6205
25V 0.1 0.1 C3203
:PT :PT 0.1
D6211
B:CHIP
C6223
1
R6259
R6255 9V
L OUT 4.7
4.7
:CHIP :CHIP 9V
9V
VCC
PW-GND
L1315
C1305
D6202 C1331
0.1
# #
D6201 :FLR50 -2 -2
25V
# F:CHIP
C1330
R OUT
10
*
9V
Q6214
*
D6212
AMP
MA111-(K8).SO C6202 9V
2200
R6278 R1359
9V
0:CHIP 100
:CHIP
Q1317
JR6205
2SC2712-YG
# C6203
BUFFER
0.01 R1360
B:CHIP 470
JR6206
:CHIP
0
:CHIP
Q6201
UN2213
AMP
9V
L
9V
9V
R
C3260
100p
CH:CHIP
R3269
2.2k
:CHIP
9V
9V 9V 9V
PS6200
*
*
FB6203
C6207 C6227 R1416
*
JW(5MM)
* *
R6241
L1402
* R1415
7V #
#
R6239 9V
* C1407
# C1412
#
C6231
C6208 * * 30V
*
PS6201 FB6200
* *
7V
30V
R6266 9V
*
CN6206 CN1300
5P CN1404 CN1405
3P
* WHT 10P
#
:S-MICRO
WHT
TO A BOARD
TO A BOARD :BTOB
CN302
CN201 TO A BOARD
CN101
– 81 –
KV-XA25M80/XA25M83/XA25N90
RM-914 RM-954 RM-914
7 8 9
C3265
4.7
10V
F:CHIP
IC3206
BH3868AFS-E2 C3272
R3209
100
2.2k :CHIP
25V
GND FILTE
R3211
R3243 1M :CHIP
2.2k R3227
9V
:CHIP 56k :CHIP
C3231 1
LS1 AGCAD
:CHIP
R3244 1M :CHIP R3228 33k :CHIP 9V
C3232 1 C3266 0.1 25V B:CHIP
VCC LS2 PS2
R3247 C3233
C3273
C3234 4.7k 0.0047
0.1 25V B:CHIP
4.7
LSW R3212 R3213 :CHIP B:CHIP
10V
1.5k 1.5k SOUT PS1
F:CHIP
:CHIP
:CHIP C3235 C3274
4.7 10V F:CHIP 4.7 10V F:CHIP
IN2 IN1
9V
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
C3277 BTREB BTREB C3276
C3209 0.033 0.033
0.22 C3210 B:CHIP B:CHIP
16V 0.0047
BAS2 BAS1
B:CHIP
B:CHIP C3268
C3269
C3211 0.001
0.001
0.22 B:CHIP B:CHIP 9V
16V TRE2 TRE1
B:CHIP
15 14 13 12 11 10 9
OUT2 OUT1
9V
C3240
C3270
4.7
4.7
IC3201 VC2 VC1
NJM2188-TE2
C3241 C3271
TRU SURROUND
4.7
4.7
TC BC
2 3 4 5 6 7 8 R3248
C3242
100
22
SDA
:CHIP
VCC SDA
R3215 9V
82k
R3216 :CHIP SCL
2.2M CHIP SCL
9V
:CHIP R3217
R3249
33k JR3201
100
#
:CHIP :CHIP
R3226
82k
:CHIP
R3218
C3230
56k
0.0047
:CHIP
B:CHIP
R3225
C3219
0.01 1.5k
B:CHIP :CHIP R3230
9V
100
:CHIP 9V
R3219
R3229 10k
100 :CHIP
:CHIP
16 15 14 13 12 11 10 9
IC3205 9V
CXA1315M
MID THRO
1 2 3 4 5 6 7 8
R3231
10k
:CHIP
R3232
9V 9V
10k
:CHIP
9V 9V 9V
L1317
R1363 R1364
C1312
47k L1313 R1370 C1333
220 47
:CHIP 470 0.1
:CHIP 16V
:CHIP 25V
F:CHIP
R1397
680 9V
Q1324
:CHIP
Q1316 2SC2712-YG
2SA1162-G PEAKING AMP
AMPLIFIER C1307
Q1318
R1366
1 2SC2712-YG
R1372
16V 0 AMPLIFIER R1350
F:CHIP :CHIP 470 33k
R1369
:CHIP :CHIP
Q1323 100
2SC2712-YG :CHIP
R1367
AMPLIFIER C1311
#
#
Q1372 R1301
470
R1362 2SC2712-YG L1314
R1365 DELAY BUFFER :CHIP
1.8k C1306 R1318
22k
# R1368 220 Q1365
:CHIP :CHIP
1k :CHIP 2SC2712-YG
C1308
R1344 BUFFER
:CHIP C1395
# 100
R1361 82p 9V
:CHIP
470 C1310 CH:CHIP
R1371
47 R1347
:CHIP 390
16V 100
R1345
:CHIP :CHIP
470
C3228 :CHIP
R1320
10 R1343 R1346
25V 1k 470 22k
:BP :CHIP :CHIP :CHIP
9V
C3262
47
16V
E
C3264
R3271
100p
3.9k
CH:CHIP
:CHIP
R3274
3.9k 9V
:CHIP
R3273 C3229
2.2k 10
R3268
:CHIP 25V
1k
:BP
:CHIP
IC3200
R3267
1k E1
AUDIO MIXER
:CHIP
C3259
4.7 9V 9V
IC1404
C1428
L1404
100 NJM78M09FA 9V 9V
25V REGULATOR
IO
C1431 G C1433 C1436
IC1403
0.1 47 0.1
#
16V 25V
25V
REGULATOR
F:CHIP 5V F:CHIP
5V 5V
I O
G
C1417
#
C1420
#
30V
9V
5V
30V
CV/Y
TV RL
CN1407
CN1406 CN1408
8P #
10P
WHT
TO A BOARD TO P BOARD
:BTOB
CN303
TO A BOARD
CN102
10 11 12
TU1401
#
R1474
JR1409
JW1481 #
0
10MM
:CHIP
JR1401
#
C1456
R1462
JR1410 #
0
:CHIP
C1458
C1430
JR1402 #
#
V
L1407
9V 9V # 9V
5V
IC1402 R1475
UPC4558G2 47K
L :CHIP
C1406 R1429
R1452
100P 47K
5V 47K
:CHIP :CHIP
L :CHIP
C1404
0.1 C1401
C1419
9V 9V 330
25V 100P
:CHIP 16V :CHIP
C1411
0.1
C1400 25V
R # :CHIP
R
R
R1442 D1401 C1414 R1464
1k UDZS-TE17-9.1B 1 470k
PROTECT 16V :CHIP
:CHIP
F:CHIP
L
R1443 D1402 C1416 R1465
UDZS-TE17-9.1B
1k 1 470k
:CHIP PROTECT 16V :CHIP
F:CHIP
V
R1456
C1413
C1457
470 470k
1
16V :CHIP
D1403 16V
R1476
UDZS-TE17-9.1B :CHIP
56K
PROTECT :CHIP
5V R1454
C1442
56K
470P
:CHIP :CHIP
C1439
R1505 C1464 R1506 R1448 R1444 C1421 470P
R1501
JR1413 75 100 220 560 47K 1
680 :CHIP
# :CHIP R1439 16V
CV :CHIP 16V :CHIP :CHIP
:CHIP 0:CHIP
:CHIP
R1427 R1432
A2 C1432
3.9K 470 D1414 C1425
100
Q1409 :CHIP # 1
:CHIP 2SC2712-YG
B2 -2 16V 16V
BUFFER
D1418 R F:CHIP
UDZS-TE17-9.1B
D1410
PROTECT
9V R1457 C1426 R1479
UDZS-TE17-9.1B
10k 1
PROTECT 220k
:CHIP 16V
:CHIP
L F:CHIP
5V C1408
R1424 10 D1411
R1458 R1480
JR1408 10K UDZS-TE17-9.1B
10k
# 220k
:CHIP PROTECT :CHIP
:CHIP
V
R1425 D1412
820 C1415 R1472 R1481
UDZS-TE17-9.1B
47 220 75
:CHIP PROTECT
25V :CHIP :CHIP
R
Q1408
C1403 D1406
2SC2712-YG C1423
47 UDZS-TE17-9.1B R1450 R1469 C1434
1
25V 10k 220k 470p
PROTECT
R1421 :CHIP 16V :CHIP CH:CHIP
2.2K L F:CHIP
:CHIP
D1407 C1422 R1470
R1451
UDZS-TE17-9.1B 1
10k 220k
PROTECT 16V
:CHIP :CHIP
F:CHIP
5V V
D1408 R1460
C1402 R1471
UDZS-TE17-9.1B
47 220 75
PROTECT
25V :CHIP :CHIP
S1
R1467
D1405
2.2k
UDZS-TE17-9.1B
:CHIP
PROTECT
9V
Y
D1409
C1405 R1473
UDZS-TE17-9.1B
47 220
5V
25V :CHIP
C
R1437
D1404 C1418 R1466
UDZS-TE17-9.1B 75
0.01 220
:CHIP
PROTECT F:CHIP :CHIP
5V
A1
9V 9V 9V 9V
R1463
R1449 10K
10K
B1 R1500
100
-2
:CHIP
R1455 R1417
10k 100
:CHIP :CHIP
H1
G1
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
R1468
R1426 R1428
68k
100 100 R1446
:CHIP
:CHIP
:CHIP 220k
5V
:CHIP
C1429
33
25V
C1409
#
R1482
L1401 R1440
100
# #
9V 9V :CHIP
R1419
#
R1403
220
5V
Q1401
:CHIP
# Q1403
2SC2712-YG
BUFFER R1404
BUFFER
0
R1401
:CHIP
#
R1402 Q1402
# 2SA1162 R1405
30V #
BUFFER 30V
30V
30V
TV/R/L
JR1412
#
JW1400
5MM
-2
-2
CN1401
1P
CN1409
CN1403
10P 3P
TO P BOARD WHT
:S-MICRO
– 82 –
13 14
9V
-2
R1420
# C1450
C1453
# #
C1437 C1463
# #
-2
-2
C1451
Q1410 C1454
#
#
#
R1423 30V
BUFFER
# #
C1455
#
C1452
#
#
C1438 R1494 JR1403 R1422 9V
# # # #
L1406
R1495
L1403 # #
# 9V
9V
5V
30V
J1402
12P
R
30V
R4 AUDIO
C1440
R1496
470p 470
CH:CHIP :CHIP
L/MONO
L4
C1441
R1497
470p
470
MONITOR
CH:CHIP :CHIP
OUT
V4 VIDEO
R1492
68
R1487
:CHIP
2.2K
R
:CHIP
R3 AUDIO
R1400
220K
:CHIP
L/MONO
R1413 L3
220K R1488
30V
2.2K
:CHIP
:CHIP
VIDEO IN 3
R1489 V3
75
:CHIP
R
AUDIO
R2
C1445
470p
CH:CHIP
L/MONO
L2
C1446
470p
CH:CHIP
VIDEO IN 2
V2
30V
R
AUDIO
R1
L/MONO
L1
C1443
470p
CH:CHIP
VIDEO IN 1
V1
S IN
30V
2 1
4 3
C
Y
R1435
75
VIDEO IN 1
:CHIP
J1401
S TERMINAL
30V
9V
D1413
#
9V
5 4 3 2 1
30V
44 45 46 47 48
9V
C1449
100
16V
30V
-2
C1448 R1478
1.2k
0.47 :CHIP
C1444 25V
-2
0.47 F:CHIP
25V
F:CHIP
9V
Q1404
2SC2712-YG
BUFFER
R1406
33 R1408
:CHIP 180
:CHIP
30V
R1407
220
:CHIP
30V
TV/R/L
(
AUDIO PROCESSOR,
AUDIO AMP,SUB TUNER,
AV IN/OUT, VM DRIVER
B-SSSBG3R-...-B..XA25M80
CN1402
#