Sony CA-755 Maintenance Manual page 117

Q36 Q37 Q38 Q39 Q41
2SC2714 2SA1226 2SC2714 2SA1226 2SC2714
L13
22µH
C96 R191 R198
0.1 470 10
Q37
Q41
R185
8.2k
Q38
R199
5.6
Q36
C101
0.1
R200
Q39
5.6
Q42
C98 R186 R189 R192 R193
0.1 12k 1k 2.7k 2.7k
Q40
L14
22µH 2SC1623
C97 R187 C104 C105
33 10k R196 100p 56p
4
16V 22k ;CH ;RH
:TA-CC
5
D27
1SS123
D28
R190
KV1470
100k
3
Q40
2 1
D29
L15 1SS123
22µH
R188 C99 C100 R195 R197
33k 120p 0.1 22k 10k
6.7M TUNE
PGM MUTE
CA-755/755P
I J
Q42 Q45 Q46
2SA1226 2SC1623 2SC1623
L17
22µH
C118
0.1
R221 R222
2.2k 22k
Q46
FL1
Q45
4.9MHz
TP5
1 2 3 4 5 6
C110 R205 R208 C120 R219
0.1 75 1k 0.1 1k
10 11
LPF
12 8 9 7
R220 R223 C129 R225
C107 3.9k 22k 0.1 3.3k
0.1
L21
22µH
C130
33 C132
Q44
LV4 16V 0.1
3µH 2SC2714 :TA-CC
7
C127
3 C108 33
220p R206 C115 16V
2
33k 0.1 :TA-CC
1
R204
2.2k
CF5
6
SFSH4.3MDB
R202
680 R224
1k
Q44
TP8
R209 R215
470 470
C106
390p
CF4
SFSH6.7MDB
R207 R210
33k 2.2k
L19
22µH
C121
33
16V C123
:TA-CC 0.1
FL3
3.0MHz
C117
33 1 3 4 5 6 7 9
16V
:TA-CC
2 8
BPF
R217
1k
15 14 13 17 12 11 16 10
C124 C125
0.001 0.001
L18
22µH
C119 C122
33 0.1
16V
:TA-CC
C116
33
16V FL2
:TA-CC 2.5MHz
1 3 4 5 6 7 9
R216
1k
2 8
BPF
15 14 13 17 12 11 16 10
C134
6.8
16V
:TA-CA
K
TR-101 (1/2) TR-101 (1/2)
IC24
TA8129Z
L23
22µH
C140 C142 12 7 13
33 0.1
16V
VCC
SD OUT REG
:TA-CC
AUDIO
2 10
IF IN1 OUT
3 9
BIAS 24 AFC
OUT
1
IF IN2
IF
GND OUT DET2 DET1 METER SDS MUTE GND
R239
CF7 1k 4 16 15 14 6 5 11 8
R226 SFSH3.6MDB10
1k
R277
18k
C158
CF8 0.1
SFSH3.6MDB10
C153
6.8 3 2 1
16V C159
:TA-CA 0.1 7 6
LV8
22µH 4 5
C173
,N'M
R270
4.7k
C174
68p
R250
1.2k ;RH
R255 R262
22k 10k
C156 C178 C181 C185 C190
0.1 22p 0.01 0.01 0.1
;RH
3
INCOM DC
1S2837
IC23
TA8129Z
12 7 13
VCC
SD OUT REG
AUDIO
2 10
IF IN1 OUT
3 9
BIAS 23 AFC
OUT
1 R273
IF IN2
1k
IF
GND OUT DET2 DET1 METER SDS MUTE GND
R234
1k
4 16 15 14 6 5 11 8
CF6
SFSH4.3MDB
C149 R274
0.1 12k
R268
C146
6.8 18k
16V C150 3 2 1
:TA-CA 0.1
7 6
C192
LV7 C189
22µH 4 5 4.7 R275
10V 1.8k TA-CA
TA-CA
C168
,N'M
C169
56p R261
R242 ;RH 4.7k
C147 1.2k
0.1
R245 R257
22k 10k
C171
C175 C179 C183
22p
0.01 0.01 0.1
;RH
1
3
2
D30
1S2837
PGM DC
IC22
TA8129Z
12 7 13
C220 R272
VCC SD OUT REG
0.1 27k
AUDIO
2 10
IF IN1 OUT
3 9
BIAS 22 AFC
OUT
1 R263
IF IN2
R230 1k
IF
1k
GND OUT DET2 DET1 METER SDS MUTE GND
4 16 15 14 6 5 11 8
C143
0.1
R265
C144 12k
0.1
3 2 1
R260
C141 18k
6.8 7 6
16V
LV6
:TA-CA C145
22µH 4 5
0.1
C161
,N'M
R252
4.7k
C162
100p
R238
C182 C187
1.2k
4.7 4.7
R240
R246 10V 10V
,N'M
10k TA-CA TA-CA
C166 C167 C172 C176
R266
39p 0.01 0.01 0.1
DATA DC
;RH 1.8k
IC21
TA8129Z
R267
36k
12 7 13
C221
VCC
SD OUT REG TP9
0.1
AUDIO
2 10
IF IN1 OUT
3 9
BIAS 21 AFC
OUT
1 R256
IF IN2
1k
IF
R264
GND OUT DET2 DET1 METER SDS MUTE GND
47k
R227 4 16 15 14 6 5 11 8
1k
C137 C138 R269
0.1 0.1 3 2 1 0
R251 R258
7 6 18k 12k
LV5 C186
C139 22µH 4 5 0.1
0.1 C180 35V
C177 R259 4.7 :TA-CA
C151
4.7 1.8k 10V
100p
R244 10V TA-CA
4.7k TA-CA
C152
47p
C184
;RH
R233 1000p
1.2k
C157
R235 R241
56p
22k 10k
;RH
C160 C165 C170
H CONT DC
0.01 0.01 0.1
7-7 7-7
L M
Q49 IC32(1/2) IC32(2/2)
2SC1623 TL062CPS TL062CPS 2SA812
R311 R313 R319
33k 47k 100k
R279
Q49
TP15
1k R293 R295 RV16 R314
33k 39k TP12 20k 22k
C209
1
2
50V R309
;BP 22k 8
1 3 2
R288 1
32
12k C201 3
560p
5
C194 C197 7
32
6
4.7 4.7 C213 C218
10V 10V 4.7 R312 10
TA-CA TA-CA 10V 33k 4 20V
:TA-CA :TA-CB
C204 R299
270p 3.9k
R289
1.8k
1
2
MIX LEVEL
D31
Q47 IC29(1/2) IC29(2/2)
2SC1623 TL062CPS TL062CPS
5
7
29
6
TP11
4
Q47
R292 R306
39k 22k
TP14
2
R281 R302
8
33k 22k
1 3 2
1
29
3
C196 C202 RV15
560p 1 20k
50V
;BP
4.7
10V
C200 R296
270p 3.9k
PGM LEVEL
Q48 IC30
2SC4177-T1L7 TA75S393F-TE85R
TP16
R300 R323
47k 10k
C203
1
25V R303
:TA-CA 10k 5 EF22
3
R304 4
30 IN OUT
10k
Q48 1 GND
R280 R290
5.1k 5.1k
2
C210
1
C208 25V
C198 R297 10 :TA-CA
390p 6.3V
10k
:TA-CA
C199
C195 68p R322 R324
270p 47k 10k E2
IC27(1/2) IC27(2/2)
TL062CPS TL062CPS
R282 R173 TP13
39k ,N'M EF23
R271 R308
22k 470
IN OUT
GND
8 R287
6
24k
7
27
5
4 2
1
27
3
C214
D32 0.01
RD5.1M-B
R179
R283 ,N'M
15k
C191
4.7
10V R284
:TA-CA 470
N O
Q51
1
D33
1SS123
R321
R320 22
100k
Q51
C219
22
20V
:TA-CC
2
3
CCU DATA OUT(X) 27
4
CCU DATA OUT(G) 28
H CONT OUT 23
INCOM MUTE 2/2
INCOM 2/2
PGM 2/2
5
TR-101 (1/2)
BOARD NO. 1-663-940-11
LOT NO. 607-
B-¥CA755-TR101-11
P