B8 Board Schematic Diagram - Sony KV-AR25M86 Service Manual

(2) B8 Board Schematic Diagram

1 2 3
A
C1461
R1409 AUDIO(R)
1 R1411
220k
16V 47k
:CHIP
F:CHIP :CHIP R
R IN 1
C1460
470p C1462 D1415
2
GND
CH:CHIP 1 R1412 UDZSTE-179.1B
-2 -2 16V 47k -2 AUDIO(L)
L IN 3 L
F:CHIP :CHIP
C1459
GND 4
R1410 470p D1416
220k CH:CHIP UDZSTE-179.1B
Y IN 5
:CHIP
-2 -2 -2 Y
B Y
GND 6
-2 JR1404
A
# CV
CV IN 7
CV
S S
S IN 8
C
C
C IN 9
CN1400
9P RSP
C3244
B WHT R3207
1
10K
:S-MICRO
16V :CHIP
TO H1 BOARD
R3200
F:CHIP
CN3904 1M
:CHIP
C6222
2.2
16V
R3276
F:CHIP
#
8
C3204
#
IC3204 UPC4558G2
BASS BOOST
C
C6220
2.2 1
16V
F:CHIP
R3275
R3241
#
68k
:CHIP
C3255
C3257
1 D3203
C3223 R3254
C3220 1SS355TE-17
0.022 10K
0.022 16V:F
LSP
B:CHIP B:CHIP RECTIFY
:CHIP
R3240 R3224
22k 150k
R3255
:CHIP
:CHIP 1M
:CHIP C3238
C3224
2.2
16V
F:CHIP
4 3 2 1
D
IC3202
UPC4558G2
Q6206
FILTER
#
R3263
68k
C3221 5 6 7 8 MUTING
:CHIP
0.022
B:CHIP
R3238
R3262
C3227 C6201
10k
150k 2.2 C3225 # R6248
C3222 :CHIP
R3242 :CHIP 16V 0.1 #
C3226
22k 0.022 F:CHIP 25V
:CHIP B:CHIP 10
F:CHIP
R6250
#
R3239
10k Q6207# VOL
R6260
# :CHIP R6249
#
R6256 D6205 R6252 S
C6215
# #
# #
R6207
E #
C6253
#
1
LPH
2
L SP
AUDIO GND 3
R6233 C6242
AUDIO GND 4
#
#
R SP 5
R6245
C6244
RPH 6
4.7k 4700P
:CHIP B:CHIP
CN6204
L
R6202
6P
4.7k
WHT
:CHIP
:S-MICRO R6234 C6243
# #
TO H1 BOARD
C6241
CN3902 10
F
R
R6246
4.7k
:CHIP
R6219
47k C6249
0
:CHIP R6201
:CHIP
4.7k
:CHIP
C6213
Q6208 10
UN2213 Q6204
AMP UN2213
AMP
G
R6203
0
:CHIP
CN6200
4P
AUDI GND 1
AUDI GND 2
AUDI +VCC 3
AUDI +VCC 4
TO A BOARD
CN608
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C6225
#
C6226
C6229 C6230#
#
#
FB6202
#
C6233 R6237
C6219
# #
C6234 #
#
C6236
FB6201 R6236 #
C6232 R6235
# #
# #
I
C6235
#
C6239
Q6200
#
L6202 #
#
MUTING
CN6202
#
R6244
C6237 C6238 # R6243
#
#
#
1
W OUT
C6240
W OUT 2
#
GND 3
GND 4
J
KV-AR25M86
4 5 6
Q3202 2SC2712-YG
INDUCTOR
R3206
Q3201
C3243 390:CHIP
C3202 33000P
2SK246-GR R3301
0.33
18k
25V:B
VOL.
:MPS :CHIP
D3201
R3202
1SS355TE-17 100K:CHIP
RECTIFY R3203
1M R3204 R3205
C3245 3.3K 6.8K
R3201 S :CHIP
0.47 1M :CHIP
:CHIP
25V:F
:CHIP
C3249
C3246 47P :CHIP
2.2
R3235 16V
C3248 C3247 R3236
100P 4.7 470K 150K:CHIP
F:CHIP
:CHIP R
R3237
R3246 C3200
680 # 680:CHIP
:CHIP
C3250
R3245
7 6 5 1
100K
16 F:CHIP
:CHIP
R3222
R3220 10K
100K R3315
:CHIP 0
:CHIP R3221 C3253 :CHIP
C3251
10K 100
10
2 3 4
R3223 :CHIP 16V
R3253
680
680
L
:CHIP :CHIP
C3252 C3254
C3205 R3252 R3251
100P 2.2
150K
C3256 # 470k :CHIP
4.7 16V
:CHIP
R3232 R3231
F:CHIP 10k 10k
47P
:CHIP :CHIP
Q3204 2SK246-GR R3234
R3258
390
S 1M
C3258
VOL. :CHIP
:CHIP
33000P 25V :B
R3256
Q3203
1M
R3257
C3239 2SC2712-YG
:CHIP 100K:CHIP
0.33 INDICATOR
0.47
:MPS
25V R3259
R3233
3.3K 6.8K
F:CHIP
:CHIP :CHIP
R3316
#
R3317
#
R6251 R6268
# #
R6263 R3403
Q6202 # C6251 1K
#
#
MUTING :CHIP
R6253 C6216
# #
R6262 C6252
R6257
# #
#
C6214
#
9V
R6205
# C6221
#
R6258
68
:CHIP L3202
C6211 PRE-GND :FLR50
RIPPLE
330
10V FILTER
R6254
C6210 68
330
10V :CHIP
C6212
C6200
47 C6209 C6205
0 25V 0.1 0.1 C3201 C3203
:CHIP D6211 :PT 10 0.1
:PT
B:CHIP
MA111-TX
C6223
PROTECT
1 R6259
R6255
L OUT 4.7
4.7
:CHIP :CHIP
L1315
Q6203
9V
UN2213 VCC
PW-GND
AMP D6202
C6217 # D6201 -2 -2
0.1
# C1330 C1331
25V
R OUT
B:CHIP 10 #
IC6200
9V
TA8200AH
AUDIO AMP
C6245
R6209 Q1317
4700P
1k 2SC2712-YG
Q6214
B:CHIP :CHIP
#
D6212
C6202
AMP
MA111-TX 2200
R1359
PROTECT
100
:CHIP R1360
470
R6278
0 :CHIP
C6203
:CHIP
0.01
B:CHIP
Q6201
UN2213
AMP
9V
L
R
IC6201 #
3D AMP
C6218 9V
#
PS6200
#
R1416
#
R6241
C6228 FB6203
#
R6240 C6207 C6227 #
#
# # #
R1415
#
R6239
#
L1402
JR1422
0 :CHIP
R6206
C1407
# D6200
# R6242 JR1423
9V
0 :CHIP
#
C6208
PS6201 C6231
# #
# FB6200
#
Q6205 R6266
# #
MUTING
R6200
# -2
CN6206 CN1300 CN1404
CN6205
5P 3P 8P
#
WHT RED WHT
:S-MICRO :S-MICRO :BTOB
TO A BOARD TO VM1 BOARD TO A BOARD TO A BOARD
CN5901
CN201 CN302
– 40 –
KV-AR25M86
RM-993 RM-993
7 8 9
R/L/Y/S/C/CV
IC3302
C3302 C3303
NJW1139GK1-TE2
4.7 4.7
10V 10V
C3301 AV PROCESSOR
F:CHIP F:CHIP INa INb
4.7 R3302 C3304 C3338
(ADD:82H)
10V 22k 4.7 0.01
F:CHIP :CHIP 10V B:CHIP
F:CHIP
LF1 TS1
C3309
R3306 0.047
22k B:CHIP
:CHIP V
LF2
R3303 C3310 TS2
18k :CHIP 0.047 C3337
B:CHIP 0.0047B:CHIP
R3304 R3305
LF3 TS3
15k 15k C3311
:CHIP :CHIP 0.01 C3336
L IN VCC B:CHIP 0.0047B:CHIP
3D1 CMan
C3305 C3306 C3312
L OUT LSW 4.7 4.7 0.22 C3335
10V 10V 16V 0.0068B:CHIP
SPACE F:CHIP F:CHIP B:CHIP
3D2 CENTER
R OUT SW
R3314
SPACE
10k :CHIP R3405
R IN IN #
3D3 SPACE1
RSW SPACE C3313 R3313
OUT 0.0047B:CHIP 10k :CHIP
R3307
3D4
CENTER 10k :CHIP SPACE2
R3404
CENTER
C3314 R3312
SW IN #
0.22 16VB:CHIP 10k :CHIP
CENTER
BBE1a BBE1b
GND OUT
R3308 C3315 C3334
10k :CHIP 0.0033B:CHIP 0.0033B:CHIP
IC3301
BBE2a BBE2b
NJU4066BM
C3316 C3333
SWITCH 0.033B:CHIP 0.033 B:CHIP
TONE-Hb
TONE-Ha
R3318
C3317 C3332
0
0.0015B:CHIP 1000P B:CHIP
:CHIP TONE-Lb
TONE-La
C3318 C3331
IC3205
0.22 16VB:CHIP 0.22 16VB:CHIP
CXA1315M
OUTb
OUTa
CONTROL 9V
VCC AGC CSR
MODE2 R3229
C3330
100 C3319
4.7
:CHIP 0.33 16VB:CHIP
SCL SCL
MODE1 CLB CBH
C3320 C3329
SDA
SDA 4.7 4.7
R/L ATT
CVa
R3230 CBL
100:CHIP
C3321 C3328
CENTER SW
4.7 4.7
CVb CTH
SPACE SW
C3327
C3322 D3301
4.7
4.7
SDA MA111-TX
PIP SDA CTL
R3309
C3326
100
4.7
RESET R3219 :CHIP
SCL SCL
10k Vref
DVD CTRL :CHIP C3325
R3310 INa L
GND
100 100
INb R
:CHIP 25V
C3324
GND V+
470
D3302
MA111-TX
16V
C3307 C3308
470
0.1 C3323 R3311
16V
B:CHIP 0.1 10k
B:CHIP
:CHIP
C3405
C3402
10
4.7
10V C3401
4.7
F:CHIP
10V
S-L M-L
F:CHIP
CTL1 GND
L S-R
R3402 C3403
100 4.7
GND VCC
:CHIP 10V 9V
F:CHIP
R CTL2
R3401
#
Q1316 Q1323 C1333
M-R
2SA1162-G 2SC2712-YG 0.1
25V
AMP INVERTER L1317
F:CHIP C3404
GND
C1305 R1363 R1364 R1397 4.7
L1313 R1370 .
0.1 220 47k 680
470 10V
25V :CHIP :CHIP :CHIP
:CHIP
F:CHIP -2 JR3402
F:CHIP
C1307 #
1 R1366 -2 -2
Q1324 IC3401
16V 0
2SC2712-YG
C1312
F:CHIP :CHIP NJM2283M-TE1
47
INVERTER JR3401 #
16V PIP SOUND SW
Q1318
-2 -2
2SC2712-YG R1372 JR3205
R1369
470:CHIP #
R1362 R1365 R1367 100
INVERTER
22k #
1.8k :CHIP
:CHIP
:CHIP -2 -2 C1311 Q1372
# 2SC271-YG R1350
R1318 R1301
R1361 C1306 -2 -2 -2 33k
220 470
-2 470 # BUFFER L1314 :CHIP
:CHIP :CHIP
:CHIP C1308 R1368
# 1k C1310 Q1365
:CHIP
47 2SC2712-YG
R1371 C1395
16V R1344
82p
390 -2 -2 100
CH:CHIP
:CHIP :CHIP
R1347
100
:CHIP -2
R1343 R1345 R1346
C3228
1k 470
10 470 R1320
:CHIP :CHIP
25V -2 :CHIP -2 22k
:BP :CHIP
IC3200
UPC4558G2
C3262
AUDIO MIXER
47
16V .
E
R3271
C3260
100p 3.9k
:CHIP
CH:CHIP
R3274
R3269 C3264
3.9k
2.2k 100p
:CHIP
CH:CHIP
:CHIP
C3229
R3273
2.2k 10
R3268
25V
1k :CHIP
:BP
:CHIP
R3267
1k
E1
:CHIP
C3259
4.7
9V
IC1404
L1404 NJM78M09FA REGULATOR
I O
G
JR1420 IC1403 C1436
C1431 C1433
0 :CHIP C1428 0.1
TA7805S 0.1 47
100 25V
-2 -2 25V -2 16V -2 -2
JR1421 REGULATOR F:CHIP
25V F:CHIP
0 :CHIP 5V
I O
G
R1502
#
-2 -2 -2 -2 -2
C1412 C1417 C1420
100 0.1 220 0.1 JR1418
16V 25V 10V 25V 0
F:CHIP F:CHIP
:CHIP 9V
-2
30V
-2
-2
CN1405 CN1415 CN1406 CN1408
CN1410 CN1407
10P 1P 10P 8P 10P
3P
:TAB
WHT WHT WHT WHT
TO P5 BOARD
:BTOB :BTOB :BTOB :BTOB
TO A BOARD CN4108 TO P5 BOARD
TO A BOARD
CN4105
CN101 CN303 CN102
10 11 12
TU1401
BTF-LG434
-2
R6220 JR1409
0 C1437
# JR3403 R1474 0 :CHIP
:CHIP #
# JR1401 -2
0 C1456 C1438
100
:CHIP
-2 -2 470P
R3407 100 :CHIP 16V
B:CHIP
R3406
JR1410
R1462 -2 -2
0 100:CHIP
:CHIP 100:CHIP -2 -2
-2 C1458
JR1402 C1430 100 R1494
D6210 # 0.1 180
-2 16V
DA204K
25V
:CHIP
B:CHIP
L1407 L1403
9V 10UH 10UH
IC1402
UPC4558G2 -2 R1475
AUDIO(L) 47k
BUFFER
L :CHIP
C1404 R1452
0.1 25VB:CHIP 47k
L :CHIP
5V
C1406 R1429 C1419
100p 47k 100p
CH:CHIP CH:CHIP
:CHIP
C1411
C1401
C1400 0.1
330
# 25V
16V
-2 -2
B:CHIP
R
AUDIO(R)
R
R
D1401 C1414 R1464
R1442 C1440 R1496
UDZSTE-179.1B 1
1k 470k 470p 470
16V
:CHIP PROTECT :CHIP CH:CHIP :CHIP
-2 -2 -2
L F:CHIP
R1443 D1402 C1416 R1465 C1441
R1497
UDZSTE-179.1B 1 470k 470p
1k 470
16V
:CHIP -2 PROTECT -2 :CHIP CH:CHIP -2 :CHIP
F:CHIP
V
D1403 C1413 C1457 R1492
UDZSTE-179.1B R1476 1 68
470 R1487
47k 16V :CHIP
-2 PROTECT 16V -2 10K
:CHIP
F:CHIP :CHIP
R1456
9V 470k C1421
C1442
:CHIP 1 R1400
470p
16V 220k
CH:CHIP
F:CHIP -2 :CHIP -2
D1418 R1444 R1413 R1488
R1448 C1439
R1505 47k R1501 R1454 220k
JR1413 UDZSTE-179.1B 560 470p 10K
:CHIP 680 47k :CHIP
# 75 :CHIP CH:CHIP :CHIP
PROTECT -2 :CHIP -2 -2
:CHIP :CHIP
R1432
A2 R1427 470 R1439 C1432 R1489
Q1409 D1414
3.9k :CHIP 47 100 75
C1464 2SC2712-YG #
:CHIP 16V :CHIP
B2 -2 100 -2 -2 -2 :CHIP -2
R1506
-2 16V BUFFER
220 R
:CHIP
C1425
-2 R1457 R1479 C1445
D1410 1
10k 220k 470p
R1424 UDZSTE-179.1B 16V
:CHIP CH:CHIP
10k -2 :CHIP -2
L F:CHIP
:CHIP PROTECT
C1408
10 D1411 C1426 C1446
JR1408 R1458 R1480
1 470p
# -2 UDZSTE-179.1B 10k 220k
16V
-2 :CHIP :CHIP -2 CH:CHIP
V PROTECT F:CHIP
R1425
820 C1415 R1472
D1412 R1481
:CHIP
UDZSTE-179.1B 47 220 75
-2 25V :CHIP :CHIP -2
PROTECT
R
Q1408
CV C1423 R1469
2SC2712-YG R1450
D1406 1 220k C1434
10k 16V :CHIP 470p
BUFFER UDZSTE-179.1B
C1403 -2 :CHIP F:CHIP -2 CH:CHIP -2
47 L PROTECT
25V R1421 C1422
C1443
-2 2.2k D1407 R1451 1 R1470
470p
:CHIP 10k 16V 220k
UDZSTE-179.1B CH:CHIP
-2 :CHIP F:CHIP -2 :CHIP -2
V
PROTECT
J1401
C1402 R1460 R1471
D1408 S TERMINAL
47 220 75
UDZSTE-179.1B
-2 25V :CHIP -2 :CHIP
S1
PROTECT
R1467
D1405
2.2k 2 1
-2
UDZSTE-179.1B
:CHIP
PROTECT -2
4 3
C
Y
C1405 R1473
D1409 VIDEO IN 1
47 220
UDZSTE-179.1B
25V :CHIP
-2
C
5V
D1404
C1418 R1466 R1437
UDZSTE-179.1B
0.01 220 75
PROTECT -2 F:CHIP :CHIP :CHIP -2
9V
A1
R1418
R1463
S/C/Y/CV 10k
R1449 100
B1
10k
R1430 -2 :CHIP
R1500
100 100
:CHIP
:CHIP
R1441 R1417
100
100
:CHIP
-2 :CHIP
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
-2
R1453 R1468
R1426 68k
R1428 100
100 :CHIP
100
:CHIP R1446 -2 -2
:CHIP :CHIP
R1459
220K:CHIP
C1429 -2
R1431
100 33
C1435
25V
100 :CHIP
AUDIO(R)
0.1 25V
:CHIP
F:CHIP
R1507 JR1419
100 0
:CHIP
:CHIP
AUDIO(L)
R3409
R3408
-2 -2 #
# C1444
R1419
0.47
100 C1409
# 25V
:CHIP
L1401 R1440 F:CHIP
Q1401 # #
2SC2712-YG -2 -2
R1403 Q1405
220
2SC2712-YG
:CHIP
Q1403
R1401 R1404 2SC2712-YG
180 0 JR1417
BUFFER
:CHIP
0 R1491
:CHIP
R1406 100
:CHIP
33 :CHIP
R1402 R1508
:CHIP
Q1402
220
100:CHIP
2SA1162-G JR1416
:CHIP
#
-2 BUFFER -2
R1405
R1509 #
-2
470:CHIP
JR1412
#
JR1400
0
:CHIP
-2 -2
-2
CN1401
1P
TO A BOARD
CN1409 CN105 CN1402
CN1403
10P 3P
3P
WHT WHT
:BTOB TO P5 BOARD
:S-MICRO
TO P5 BOARD CN4106
TO P5 BOARD
CN4104
CN4102
– 41 –
13 14 15
C1450
470P
B:CHIP
R1420
10K
C1453
:CHIP
100
C1463 -2 -2
16V
#
R1423
-2
C1451 C1454
100:CHIP
Q1410 470P
47
2SC2712-YG B:CHIP -2 -2
BUFFER
C1455
CN1416
47
#
1 GND
-2 -2
JR1403
R1422
#
# C1452
-2 470P
R1495
220 L1406 B:CHIP
10UH
:CHIP
-2
5V
30V
J1402
12P
R
R4 AUDIO
L/MONO
L4
MONITOR
OUT
V4 VIDEO
R
R3
AUDIO
L/MONO
L3
VIDEO IN 3
V3
R
AUDIO
R2
-2
L/MONO
L2
-2
VIDEO IN 2
V2
R
AUDIO
R1
L/MONO
L1
-2
VIDEO IN 1
V1
S IN
-2
Y
R1435
75
:CHIP
-2
9V
D1413
#
-2
R1499
100:CHIP 1
DVDY
2 GND
2 1
3 GND
-2
CN1412
IC1401 5P
CXA1855S BLK
:S-MICRO
AV SW
TO P5 BOARD
CN4102
R1486 C1449
5.6k 100
:CHIP -2 16V
C1448 9V
0.47
25V
F:CHIP
R1478
1.2k
:CHIP
-2
Q1404
2SC2712-YG
BUFFER
R1408
180
:CHIP
R1407
220
-2 :CHIP
30V
B8
!
JR1415
( )
AV IN/OUT,SURROUND
0
:CHIP
PROCESSOR,AUDIO AMP,
VM DRIVER
-2
B-SSSBG3R-...-B8.AR25M86
CN1411
3P
TO P5 BOARD
CN4106