Schematic Diagram - Main Board (2/5) - Sony HCD-GTR6 Service Manual

5-19. SCHEMATIC DIAGRAM — MAIN BOARD (2/5) —
1 2 3
A
MAIN BOARD (2/5)
E3,AUS,E4
HRPE901
REC/PB/ERASE
HEAD
JL021
+
EH+ 1
(ERASE) JL022
EH- 2
-
JL023
GND 3
B
JL024
+
R-CH REC-R 4
(REC/PB) JL025
PB-R 5
-
JL026
-
L-CH PB-L 6
(REC/PB) JL027
REC-L 7
+
JL028
GND 8
CN020
8p
C
MAIN 1
BOARD 1
(1/5)
2
(Page 40)
GTR6B/GTR8B
3
D
E
C356
R444
10k
10
50V
F
G
JW115
17.5MM
MAIN
7
BOARD
18
(4/5)
(Page 43)
ISA1235AC1TP-1EF
R307
4.7k
H
HI 0.01
C355
R308
4.7k
ISA1235AC1TP-1EF
SWITCH
I
J
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
• Refer to page 22 for Block Diagrams.
4 5 6
JW122
GTR6B/GTR8B
12.5MM
T300
R321
BIAS OSCILLATOR
JR115 22
TRANSFORMER
0 C300 R300 R302
JW175
470p 10k 0
5.0MM
6 1
R306
JW104
C407
0 5.0MM
0.001
C301 R301 R305
JW102 5 2
470p 10k 0
17.5MM
R322
22k
4 3
C306
47
C302
0.01 16V
C414
120p
R436
JW112 Q406
15.0MM 10k
ISA1235AC1TP-1EF
SWITCH R412
R432 R428 R414
560k
1k 10 470k
Q404
2SC3052EF-T1-LEF
REC-L
C418
Q407 4700p
R434 R430
ISA1235AC1TP-1EF
47k 10k
R438
SWITCH
C412
2.2k
5p
Q402
2SC3052EF-T1-LEF
DRIVER
IC B/D 1 2
Q403
2SC3052EF-T1-LEF
IC450
DRIVER
R437
R443
2.2k R440
100k
10k OP-AMP
C466 R433 R429
4700p 47k 10k
IC450
8 7 6
NJM4558V-TE2
Q401
R435 R431
2SC3052EF-T1-LEF R427
10k 1k
REC-R 10
JW111
C411
5.0MM Q405
5p
ISA1235AC1TP-1EF
SWITCH C417
4700p
R413
470k
JW105
10.0MM
C413
R411
120p
560k
R439 R484
R349 JW118
0 2.2k 100 15.0MM
LOW
HI
R481
Q408
10k
R319 R323
2SC3052EF-T1-LEF C323
6.8k 10k
6800p
RELAY SWITCH C317
22
R313
R311 R317
R482 50V
220 47 470k
47k
R315 C315 47p
100
Q456
R309 JR315
IC B/D
470
0
SWITCH
4 3 2 1
C303 C313
R303
IC451
1000p 470p
47k
OP-AMP
IC451
NJM4558V-TE2
C304
R304
5 6 7 8
1000p
47k C314
Q113 470p
R310 JR316
470
0
R316
C316
100
R312 R318
47p
220 470k
R314
C318 C324
47
22 R320 R324
6800p
6.8k 10k
50V
• Refer to page 59 for IC Block Diagrams.
7 8 9
D010
MA2J1110GLS0
R336
Q301
10
KTA1271Y-AT
R329 R330
SWTICH
22 22
R334
4.7k
R332
4.7k
Q300
Q302
KTC3203Y-AT
2SC3052EF-T1-LEF
BIAS SWITCH
REC-BIAS
C408
6800p
R331 R335
R337
4.7 47k
10k
Q410
RT1N431C-TP-1
R442
MUTE SWITCH
47k
JW103
R030
12.5MM 47
75
C406 R408
180p 6.8k
Q409
RT1N141C-TP-1
REC-MUTE
C410
R424 10
100k 50V
RT1N441C-TP-1
R402 C402 JW131 JW165
R404 56 FAN DETECT
47k 4.7
47k 7.5MM 7.5MM
C404
R409
47p
100k
3 4
C430
0.1
C433
0.1
C403 R400
47p 100k
5
JW109 JW117 C030
C409 R401
R403 C401
22
10 47k 17.5MM 12.5MM
R423 47k 4.7
50V
50V
100k
C405
R407
180p
6.8k
JR119 0 JW110
82
12.5MM
C327
220p
C329
R325
0.068
100
TAPE_PB-L
JW130
12.5MM
R351
1k R350
0
C350
220
C352
C351 16V
0.1
220
C330 0.068 R326 100 TAPE_PB-R
19 25
MAIN MAIN
8 10
BOARD BOARD
(4/5) (4/5)
(Page 43) (Page 43)
41 41
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
10 11 12
Q033
KTA1273-Y-AT
FAN DRIVE
R033 Q033
47
C037
R034
0.1
C035
47
47
R039 25V
100k
Q034
2SC3052EF-T1-LEF
FAN DRIVE
GTR7/GTR8/GTR8B
D030
Q039
Q032 MAZ8062GMLS0
Q030
Q030 2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
FAN DRIVE
FAN DRIVE
R032
1k
Q031 C034
0.1
R048
100k
Q031
2SC3052EF-T1-LEF
FAN SWITCH
2SC3052EF-T1-LEF
FAN CONTROL SWITCH
R044
0
GTR7/GTR8/GTR8B Q036
R035 47
R047
1k
R036 47
R037 47
Q036
2SC3052EF-T1-LEF
FAN DET
26 20 23 24 22 21
MAIN
9
BOARD
(5/5)
(Page 44)
13 14 15
CN070
ANTENNA
9P
JL049
61
9 ST-DOUT
FM 75
JL048
AM
65 COAXIAL
8 ST-CLK
JL047
63
7
ST-DIN
JL046
60
6 ST-CE
TU901
JL045
58
5 TUNED FM/AM
JL044
R029 10k
TUNER
4 GND
R028 JL043 PACK
ST-R
3 ST-R
JL042
*1
2 ST+9V
C021
JW020 JL041
100
5.0MM 1 ST-L
10V
R026
WHT
*1
ST-L
R027 10k
*1
6.8k : EXCEPT E2
12k : E2
R103
J020
1k
VIDEO-L 2P
L
VIDEO-IN
R104 C107
220k 22p R
G
R154 C157
220k 22p
C120
0.1
VIDEO-R
R153
1k
M892
CN310
DC FAN
3P
JL221
1
FAN+
JL222
2 FAN-
JL223
3 FAN+
Q038
KTA1273-Y-AT
FAN DRIVE C042
C043
47
0.1
25V
CN320 M891
3P DC FAN
R049 Q039
JL224
10k
1 FAN+
JL225
2 FAN-
JL226
FAN+
3
Q037
C041
0.1