Schematic Diagram Of B Board - Sony KV-XA25M50 Service Manual

(3) Schematic Diagrams of B Board
1 2 3
A
CN1400
9P
C1461
WHT 1
C1460
R1411
:S-MICRO 470p 16V
47k
AUDIO(R)
CH:CHIP F:CHIP
:CHIP
R IN 1
C1462
R1409
R1412
GND 2 1
220k
16V 47k
:CHIP
-2 -2
L IN :CHIP
3 F:CHIP
GND 4 C1459
R1410 D1416
470p
220k
Y IN CH:CHIP
5
:CHIP
-2 -2
B
6
B GND
JR1404
-2
A
#
7
CV IN
S
S IN 8
C IN 9
RSP
TO H BOARD
CN3904
C
D
R3241
68k
:CHIP
C3223
0.022
B:CHIP
C3220
0.022
R3224
R3240 B:CHIP
150k
22k
E :CHIP
:CHIP
LSP
4 3 2
IC3202
F
R3263
68k
C3221 5 6 7
0.022 :CHIP
B:CHIP
R3262
C3227
150k 2.2
C3222
R3242 :CHIP
16V
0.022
22k
F:CHIP
B:CHIP
:CHIP
R3239
R6260 10k
G
# :CHIP
R6256
D6205
#
CN6204 #
6P RECTIFY
WHT
:S-MICRO
1
LPH
L SP 2
H AUDIO GND 3
C6242
R6233
AUDIO GND 4
# #
R SP 5
R6245
RPH
6
4.7k
:CHIP
L
TO H BOARD
CN3902
I
J
– 105 –
KV-XA25M50/XA25M80/XA29M50
KV-XA29M80/XA29M90/XA29N90
RM-954
4 5 6
D1415
*
R
AUDIO(L)
-2
L
C3243
*
0.033
-2 C3202
Y Q3201 25V
Y 0.33
B:CHIP
2SK246-GR
:MPS
CV
CV
VOLUME
D3201
S
R3202
1SS355TE-17
100k
C
C RECTIFY R3203
:CHIP
1M
:CHIP
R3201
R3207 R3200 C3245 S R3204
1M
C3244 10k 1M 0.47 3.3k
:CHIP
1 :CHIP :CHIP :CHIP
25V
16V F:CHIP R3235
F:CHIP 150k
C3247
:CHIP
4.7
C3246
C6222 R3236
47
2.2 C3200 470k
CH:CHIP
16V # :CHIP
R3276
F:CHIP
#
R3246
R3237
680 C3248
680
:CHIP 100
9V :CHIP
CH:CHIP
R3245
8 7 6 5
100k
:CHIP
IC3204
UPC4558G2
R3220
BASS BOOST C3204
100k
#
:CHIP
C3251
C6220 R3223 10
1 2 3 4
2.2 680
R3253
16V
:CHIP
680
F:CHIP
:CHIP
R3251
C3252
R3252
C3255 150k
100pF C3205
R3275 C3256 470k :CHIP
47pF
CH:CHIP #
4.7 :CHIP
#
C3257 9V
Q3204 R3258
1 D3203
R3254
16V 2SK246-GR 1M
10k 1SS355TE-17
S
:CHIP
F:CHIP
:CHIP VOLUME
RECTIFY
C3239
0.33
R3256
R3255 C3238 R3257 :MPS
0.47 1M 100k
1M
:CHIP
:CHIP 25V :CHIP
F:CHIP
C3224
2.2 9V 9V
1
16V
F:CHIP
Q6206 R6251 R6268
#
# #
Q6202
MUTING
#
8
MUTING R6263
C6251
#
R3238
C6201
10k
# R6248 C6216
:CHIP C3225
#
0.1 #
C3226
25V
R6253
10 R6262 C6252
F:CHIP
# R6257
#
Q6207
#
R6250
#
#
VOLUME
C6214
R6249
#
#
R6252 S
C6215
#
R6205
#
R6207
# C6221
#
C6253 #
#
C6211 R6258 PRE-GND
RIPPLE
330 68
10V FILTER
C6210 R6254
330 68
10V
C6244
C6200
*
0
:CHIP D6211
*
R6202 PROTECT
C6223
4.7k
:CHIP
L OUT
Q6203
UN2213
C6241
VCC
AMP
10
PW-GND
C6217
0.1
25V R OUT
B:CHIP
KV-XA25M50/XA25M80/XA29M50
RM-954
KV-XA29M80/XA29M90/XA29N90
RM-914 RM-954
7 8 9
R/L/Y/S/C/CV
R3206
390
9V
:CHIP
Q3202
2SC2712-YG
INDUCTOR
R3205 AUDIO (R)
6.8k
:CHIP
C3249
2.2
16V
R
C3250
1
16V
9V
IC3203
NJU4066BM-T2
R3222 SWITCH
10k
9V
:CHIP
R3221
10k
:CHIP
9V
C3253
100
16V
C3281
L
CH:CHIP
C3254
2.2
F:CHIP
R3234
390
C3258 :CHIP
0.033
25V
B:CHIP 9V
Q3203
2SC2712-YG
INDICATOR
R3259 R3233 C3213
100
3.3k 6.8k
:CHIP :CHIP 25V
9V
R6220
*
C3214
0.1
B:CHIP
#
C3217
100
25V
-2
D6210
*
#
9V
9V
9V
L3202
IC6200
9V
:FLR50
TA8200AH
AUDIO AMP
C3201
C6212
47 C6209 C6205
0.1 0.1
25V
:PT
:PT
1
R6259 9V
R6255
4.7 4.7
:CHIP 9V
:CHIP
L1315
D6202 C1331
# :FLR50 -2 -2
D6201
#
C1330
10
TO 3/4
RM-954
RM-914
10 11 12
C3265
4.7
10V
F:CHIP
R3208
1.8k
R3209
:CHIP
2.2k :CHIP
R3211
2.2k
AUDIO (L)
:CHIP
C3234
R3210 1.8k :CHIP
4.7
AUDIO (L) 10V
F:CHIP
L IN VCC
L OUT LSW
R3212 R3213
1.5k
1.5k
:CHIP :CHIP
R OUT
R IN
RSW
CENTER
SW
GND
C3209
C3211
100p 0.22
C3210
C3208
0.22
16V
0.0047
0.01 16V
B:CHIP
B:CHIP
B:CHIP
B:CHIP
16 15 14 13 12 11 10 9
C3280
100p
CH:CHIP
IC3201
NJM2188-TE2
TRU SURROUND
1 2 3 4 5 6 7 8
9V
R3215
82K
R3216
2.2M
:CHIP R3217
C3215
33k
10
:CHIP
R3226
C3216
82k
10
:CHIP
R3218
C3230
56k
:CHIP 0.0047
B:CHIP
C3219 R3225
1.5k
0.01
B:CHIP :CHIP R3230
9V
9V
9V 100
:CHIP
R3229
100
:CHIP
16 15 14 13 12 11 10
IC3205
CXA1315M
MID THRO
10
1 2 3 4 5 6 7
R3231
10k
C3203
:CHIP
0.1
B:CHIP
R3232
9V
10k
:CHIP
9V 9V 9V
9V
R1364
R1363 R1397
L1313 R1370 C1333
47k 1k
220
0.1
:CHIP 0UH 470
:CHIP :CHIP
# -2
:CHIP 25V
F:CHIP
C1305
0.1
25V
F:CHIP
(
AUDIO PROCESSOR,AUDIO AMP,SUB TUNER,
AV IN/OUT, VM DRIVER
– 106 –
13 14
JOINT B1
JOINT B2
JOINT B3
JOINT B4
JOINT B5
JOINT B6
JOINT B7
JOINT B8
JOINT B9
JOINT B10
JOINT B11
JOINT B12
9
8
JOINT B13
L1317
C1312
47
16V
-2 -2
1/4
B-SSS10920-HK.-B..1/4