Sony ICF-M1000 Service Manual page 34

ICF-M1000
Ver. 1.3
2-4. SCHEMATIC DIAGRAM – AMPLIFIER Section –
(US,CND)
JC303
0
C38
(AEP,UK) 470p
R28
100k
JW341
R27
100
Q7
2SC3931-C-TX
BUFFER
C41 R26
0.01 470
R302
100
JW337
Q101
2SC4154TP-1EF
JW302
C301
BUFFER
100
16V (FOR RADIO)
R102
JW350 47k
R201 R202
47k 47k
Q302
RT1P441M-TP-1
Q301,302
JW301
RADIO/LINE SELECT SWITCH
Q301
RT1N140M-TP-1
C47
1
JW315 JW316 JW317
JW313
Q310
2SA1602TP-1EF
MUTING CONTROL
SWITCH
C444
22p
CN3
19P JW314
W1 JW312
(Page
Q404
RT1P441M-TP-1
4)
JW335
JW311
Q404,405
B+ SWITCH
JW334
C30 R412
100p 10k
Q405
RT1N241M-TP-1
R418
100k
C435
1000p
CN305
7P
(Page 8)
ICF-M1000
S1
(FM ANTENNA SELECTOR)
INT EXT
C40
1000p
R113
C307
470
0.1
JW347
JW308
C101
R105 R106 4.7
47k 10k 50V
Q103 R108
Q102
2SC4154TP-1EF 10k
2SC4154TP-1EF
MUTING R305
BUFFER
4.7k
(FOR LINE) R107 C102
1k 1000p
R207 C202
1k 1000p
JW352 JW309
C302
220
10V
Q203
2SC4154TP-1EF
R204 R205
47k 47k MUTING
R206 C201
R203 R208
10k 4.7 50V
1k 10k
JW351
JW338
Q201 Q202
2SC4154TP-1EF 2SC4154TP-1EF
BUFFER BUFFER
(FOR RADIO) (FOR LINE)
R154
R153 100k
10k
Q104
2SC4154TP-1EF
MUTING
D301
1SS133T-77
JW348
POWER AMP
C437
0.01
R445
2.2k
R232 R133 R234 R135
2.2k 4.7k 100k 100k
C216 R262
∗
1
R233
10k
R134 C116 R162
∗
10k 1
R308 R309
∗
1k 1k R162,R262
0 (US, CND)
470 (AEP,UK)
Q307
2SC4154TP-1EF
MUTING
R311
1k
R307
1k
C305
Q306
R310 10 R236 R235 C135
2SC4154TP-1EF
100k 50V 47k 47k 100p
MUTING
R314
4.7k
Q403
RT1N140M-TP-1
STANDBY SWITCH
R313
1k
JW320
R304
4.7k
JW345
JW344
R115
470k
C105 C137
LINE AMP
0.047 0.01
R111 470k
C136 C106 C121
0.047 0.01 100p
R109
470k
JW343
R112
IC301 R116
22k
NJM2746RB1 2.2k
JW342
C206
0.01
C103
4.7 50V
C237
0.01
R110
R209 C236
2.2k
470k 0.047
R215
470k
C205 C221
0.047 100p
R210 R216
2.2k 2.2k
R211
470k
C203 R212
4.7 22k
50V
C314 100p
R213 470 JW339
R118 22k C131 0.22
R218
C231
22k
0.22
R254
10k
JW340
C310
R255 R320 10
100k 47k 50V
Q204
2SC4154TP-1EF
MUTING
JW349
JW310
C212 2.2
C112 2.2
IC303
BA5417
C218
100
16V D201
1SS133T-77 1SS133T-77
C118
100 16V
R259 R261 C233 C133
C306 10k 22k 0.1 0.1
C308
47
0.01
16V
C217 C117
C119
47 47
1000 16V
16V 16V
R136 R158
R137
470 220
10k C219
R237 1000
C138
470 16V
100p JW331
(AEP, R238
C238
C220 C120
UK) 10k
100p
0.01 0.01
R240 R239 R138
(AEP,UK)
4.7k 47k 4.7k C309
10 R241 R140
50V 2.2 2.2
C235 R260
100p 220
Q308,403
Q308
Q309 2SA1602TP-1EF
2SC4154TP-1EF
MUTING
JW323
JW332
6 6
C211 0.47
C111 0.47
C214 4.7 50V
C114 4.7 50V
R144
10k
JW346
R155
100k
R117
C315
1 47k
C125
1000p
C316
LOW-PASS FILTER
1
LINE AMP
(AEP,UK) C124
IC304
470p
IC302 BA4558F-E2
BA4558F-E2
R142
10k
R149 C123 0.022
470
R244
10k
R143
10k
R243 JC201
10k 0
C223
1000p
C224
470p
R217
47k
R245 C225
C215 C115
470 0.022
100p 100p
R256
100k
R246 10k
C134 C234
2200p 2200p
Q106
RT1N140M-TP-1
MUTING
Q206
RT1N140M-TP-1
MUTING
R242
10
JW318
JW328
(AEP,UK)
JW330
JW329
R132
2.2k
R221 R121
1k 1k
D101
R159
22k
C109
4.7
50V
R157
10k
Q205 Q105
2SC4154TP-1EF 2SC4154TP-1EF
C222 C122
4.7 MUTING R222 4.7 MUTING R122
50V 10k 50V 10k
JW327
JW336
(US,CND)
CN1
FM ANTENNA
75Ω
R225
47k
R125
47k
R223 R123
22k 22k
R224 R124 J301
2.2k 2.2k L301
LINE IN
R258 1k
R156 J302
C232 C132
1k
1000p 1000p LINE OUT
C127 1000p
L302
C126 470p
R150 10k
C129
4.7
50V
R151
10k
C229
4.7 R252
50V 10k
R251
10k
C226
1000p
C227
470p
J303
(US,CND)
CN301
2P
(AEP,UK)
JW333 SP301
C204 C104
0.022 0.022
CN303
11P
W301
(Page 8)