Sony Trinitron KV-HS29M90 Service Manual page 51

(3) Schematic Diagram of A(3/3) Board
1 3
2
A
B
L1201
47µH
TO A3/3,A1/3_6 +9V
C
D2201
RD9.1SB-T1
PROTECT
D
CN1120
E
20P
:BTOB
TO A1 BOARD
CN8102
GND 1
NC 2 DSP
+9V 3 +9V TO A3/3,A1/3_6
ATTN L/R 4 ATTN L/R TO A3/3,A1/3_22
R 5
AUDIO R
NC 6
L 7
AUDIO L
F SCL 8 SCL
A GND 9 TO A3/3,A1/3,2/3_18
SDA 10 SDA
R_SW 11 TO A3/3,A2/3_27
R_SW
GND 12
A GND 13 A GND
R3212 R3213 R3214
GND 14
0 0 0
:CHIP :CHIP :CHIP
L_SW 15
L_SW
TO A3/3,A2/3_25
NC 16
NC 17
G
CENTRE SW 18 CENTRE SW
TO A3/3,A1/3_17
NC 19
TO A3/3,A1/3_19 MUTE
SPACE SW 20 SPACE SW
TO A3/3,A1/3_16
TO A3/3,A1/3_1 +10.5V
H
I
A(3/3)
(AUDIO AMP)
J
K
4 5 6
TO H2 BOARD
CN1293
10P
WHT
:S-MICRO
R2200
C2200 D2200
R2201
68
10 RD9.1SB-T1
4.7k
:CHIP
:CHIP PROTECT
R2207
3.9k
R2205 :CHIP
C2202 100k
10 :CHIP
R2202
R2203
4.7k
68
:CHIP
:CHIP
R2206
R2204
680k
10k
8 7 6 5
:CHIP
:CHIP
C2201
10
IC2200
R R2208 C2203
NJM4560M-TE2
C2209 4.7k 4.7
SUB-HP-AMP 100 :CHIP
L
1 2 3 4
R2211
100k
:CHIP
C2206 R2212 R2209
10 10k R2210 680k
R2215
:CHIP 47k :CHIP
:CHIP 47k
C2205 :CHIP
2.2
6.3V
C2204
B:CHIP
2.2
Q2200 6.3V
B:CHIP
UN2213-TX
R2217 4.7k :CHIP MUTE4
R2216 4.7k :CHIP
R2213
47k
:CHIP R2214
47k
:CHIP
Q2201
UN2213-TX
MUTE5
AUDIO L/R
R
L
TO A3/3,A2/3_26
D001
MMDL914-T1
MUTE
D301
MMDL914-T1 +10.5V
MUTE
Q301
C301
D317
1000 2SA1576AK
MMDL914-T1
16V MUTE
Q313 D302
MUTE
MMDL914-T1
2SC4081K
MUTE
R302
47k
R303 :CHIP
47k
:CHIP C326 R301
10 470k
:CHIP
STBY MUTE TO A3/3,A1/3_15
– 62 –
7 8 9
TO
CN1932 SPEAKER
IC1203
TDA7481
C1284
C1283 R-AMP
2200p
2200p
CH:CHIP
CH:CHIP
R1288
330
R1287
:CHIP
330
:CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C1214
470 PS1202
2.7A
(ASF)
C1242 R1280
0.1 330 R1261
B:CHIP :CHIP 330
C1246
:CHIP
0.47 R1264
C1245
16V R1237 C1276 C1271
470
33k 0.1
B:CHIP 680p 680p
:CHIP
:CHIP B:CHIP B:CHIP
R B:CHIP
R1238
R1236
22k
12k
C1249 :RN-CP :CHIP
C1253
0.001
0.1
B:CHIP C1219
B:CHIP
2.2
C1252 PS1204
C1277
L1202 100p L1204 2.7A
2200p
CH:CHIP 30µH
65µH
CH:CHIP
R1244
C1255 C1256
4.7k
0.001 0.47
:CHIP
B:CHIP :MPS
C1297
Q1206
1
:MPS 2SC4081K
MUTING
AUDIO R
R1276
22k
:CHIP
R1247
33k
:CHIP
IC1204
TDA7481
L-AMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C1273
0.1
B:CHIP
C1258 PS1201
0.1 C1215 2.7A
B:CHIP 470
C1260
0.47
16V R1265
B:CHIP 470
:CHIP
(ASF)
L
C1259
0.1
B:CHIP R1290
330
:CHIP
R1260 R1289
C1270
C1262 C1274
330 330
680p
0.001 0.1
:CHIP :CHIP
B:CHIP B:CHIP B:CHIP R1281
330
:CHIP
C1275
680p
C1220
B:CHIP
2.2
C1264 R1246
C1265
100p 12k 0.1
:RN-CP
CH:CHIP B:CHIP
R1275
L1203
22k
65µH
:CHIP
C1298 C1267 L1205
1 C1279
0.001 30µH
R1252
:MPS 2200p
B:CHIP
4.7k CH:CHIP
C1268 :CHIP
0.47
:MPS
AUDIO L
KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91
10
11 12
A A'
CN1201
R1286
10k 6P
:CHIP
RED
:S-MICRO
R1207
C1241
FB1205
10k 0.1 TO D(3/4)BOARD
22UH
+17V :CHIP B:CHIP
CN6503
1 +17VCC
R1240
2 +17VCC
33k C1244
C1212
:CHIP 2200
3 GND(AUDIO)
2200
(SXE)
C1281 25V
4 GND(AUDIO)
0.1
B:CHIP
5 -17VCC
6 -17VCC
R1208
C1213
10k
R1239 C1282
2200
:CHIP
5.6k 0.1
25V
:CHIP B:CHIP
C1248 FB1206
2200 22UH
Q1205
(SXE)
UN2213-TX
MUTE
R1204
0
R1266 :CHIP
1k
D1208
:CHIP
MMDL914-T1
HP MUTE
R1205
47k
:CHIP
Q1207
2SC4081K
MUTING R1206
47k
:CHIP
+17V
D1209
MMDL914-T1
STBY MUTE
C1216
2200
25V
-17V
PS1203 2.7A
C1217
2200
25V
+9V TO A3/3,A1/3_9
R1270
C1221
47k
:CHIP 100
16V
R1271
Q1209
R1272 1k
2SC4081K Q1211
1k :CHIP
2SA1576AK
SP PROT :CHIP
R1277 SP PROT
10k
:CHIP
R1267
R1269
15k
100
:CHIP R1273
:CHIP
4.7k
:CHIP
C1272
470
25V
B-SS11282<CH.>-A..-P3
– 63 –
RM-997
15
13 14