Schematic Diagram - Main Section (1/2) - Sony TC-S3 Service Manual

TC-S3
7-2. SCHEMATIC DIAGRAM – MAIN Section (1/2) – •
(DECK A)
HP901
(PB)
NO313
CN1
3P
L-CH L-PB
L-PB
+6V
+6V
R-PB
R-PB
R-CH
TAPE
(CHASSIS)
MECHANISM DECK
BLOCK
TCM-230AWR41
/230MWR41
NO312
HRPE901 8P
CN2
(REC/PB/ERASE) L-PB
L-PB
E+6V
L-CH E+6V
L-REC
L-REC
R-PB
R-PB
E+6V
R-CH E+6V
R-REC
R-REC
E-HOT
E+6V
ERASE E+6V
E-HOT
(DECK B)
(CHASSIS)
CN314
7P
DGND
LED-B-FWD
KEY1
LED-B-REV
D+5V
LED-A-REV
(Page 18)
LED-A-FWD
See page 13 for Waveforms. • See page 13 for IC Block Diagram.
DECK A PB AMP
3 8
C322 2
100p 1
IC303(2/2)
R333 NJM4580MD-D
130k
RV302
2.2k
C324
R331 R332 C323
100
100 5.6k 0.022
16V
TP340 C385
C321 R330
100
390p 120k
TP341 10V
TP342 C386
R372 C373
100 C374
5.6k 0.022
10V 100
16V
R371 R373
100 130k
C371 R370
390p 120k
6 4
C372
100p 5
7
IC303(1/2)
NJM4580MD-D
TP343
TP344
TP345
TP346
TP347
TP348
REC/PB SWITCH
IC302
µPC1330HA
C347
10 50V
C332
120p
R341
12k
L301 C333
27mH 330p
C383
330p
L351
27mH
C382 R321
120p 12k
RV354 RV304
220k 220k
C384 C334 Q302
27p 27p 2SC2001
T301
R342 R343
5.6 5.6
C335 C336
0.01 2.2
100V 50V
TP405 B-FWD
TP406 R386 270 Y6
TP407 B-REV
TP408 A-REV
TP409 A-FWD
14 14
R334
220
DECK B PB AMP
3 8
C328 2
100p 1
C330
IC304(2/2)
100
R335 NJM4580MD-D
T4 16V
120k R339
270k
R336 R338 C329
220 12k 0.01
C327
C326 100 R337
390p 10V 22k
C377 C380
R375 R377
100 100
R402 120k 22k
10V 16V
1.5k
R376 R378 C379
220 12k 0.01
T5
R379
270k
R403
820
6 4
C378
100p 5
7
R374 R380
IC304(1/2)
JW JW
NJM4580MD-D
Q304,305
REC/PB SWITCH
CONTROL
Q304
BN1A4M
Q305
BA1A4M
R348
220
C367
0.001
R349
4.7k
L302
220µH
Q301
2SD1387
REC BIAS
CONTROL
TP370
C342
C337 R344 R345
47
0.015 18k 18k
16V
Q303
2SC2001
C341
Q302,303 R346
1
5.6k
BIAS OSC 50V
R369
470
L303
220µH
1
2
R340
220
RV303
2.2k
R404
1.5k
R405
820
(Page 15)
T2
T7
3
T1
Q310
R367
2SC2785
1k
LEVEL SHIFT
C350 C349
C348 R368
10 10
0.1 1.2k
50V 50V
4
5
6
7
8
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.