![background image](http://html.mh-extra.com/html/sony/hcd-gtr88/hcd-gtr88_service-manual_420752036.webp)
HCD-GTR88
HCD-GTR88
36
36
6-19.
PRINTED WIRING BOARD - TC Board - (For
African model only)
•
: Uses unleaded solder
.
• See page 21 for Circuit Boards Location.
6-20.
SCHEMA
TIC DIAGRAM - TC Board - (For
African model only)
TP510
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R51 1
R512
R513
R514
R515
R516
R517
R518
R519
R520
R521
R522
R523
R524
R525
R526
R527
R528
R529
R530
R531
R532
R533
R534
R535
R536
R537
R538
R539
C503
C504
R540
C505
R541
C506
R543
R544
R545
C509
R546
C510
C51 1
C512
C517
C519
C520
C521
C522
C523
C524
C525
C526
C527
C528
C529
C530
C531
C532
C533
C534
C535
C536
C537
C538
C539
C543
C545
C546
C548
JR501
JR502
JR503
JR504
JR505
JR
JR506
JR
JR507
JR
JR508
JR509
JR510
JR51 1
JR512
JR513
JR514
JR515
JR516
JR517
JR518
TP501
TP502
TP503
TP504
TP507
TP508
TP509
TP51
1
TP512
TP513
TP514
TP515
TP517
C549
TP506TP505
TP518
TP516
L501
CN502
S501
Q501
Q502
C501
C502
C516
ET501
C540
C513
C514
CN501
LP1 102
C542
C515
(REC/PB)
TC BOARD
1
2
3
4
5
67
A
B
C
D
E
F
G
H
I
J
IC501
IC502
TAPE
MECHANISM
1-881-086
12
(12)
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
1
2
8
9
8
1
E
E
JR
JR
JR
MAIN BOARD
CN450
(Page 30)
J
REC
y
PB
S501
(CHASSIS)
S501
(REC/PB)
PB
Y
REC
0
R515
100k
R511
100k
R513
0
R516
100k
R512
100k
R514
R540 47
R541 47
R539 4.7
R536 4.7k
R535
4.7k
R534
15k
R533 22k
R503 2.2k
R504 2.2k
2.2k
R501
2.2k
R502
R517
1k
R518
1k
R520 47k
R519
47k
R521
47k
R522
47k
R526 330k
R528 330k
R525 330k
R527 330k
R530 2.2k
R529 2.2k
R531 8.2k
R532 8.2k
R523
3.3k
R524
3.3k
470
R545
470
R546
C517 1000p
220p
C511
220p
C512
47p
C525
47p
C526
C539
1
C538 0.01
C505 0.01
C503 2200p
C504 2200p
C506 0.01
C519 470p
C520 470p
C521
1
C522
1
C532 0.01
C531 0.01
C534 2200p
C533 2200p
C540 4700p
C543 1000p
1
C524
1
C523
C527 470p
C528 470p
C530
330p
C529
330p
16V
47
C516
25V
22
C542
TP501
TP502
TP504
TP503
TP505
TP506
TP508
TP509
TP507
8765
4321
NJM4558M-TE2
IC501
OP AMM
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
8765
4321
NJM4558M-TE2
IC502
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
220
R544
220
R543
270
R509
270
R510
R506 12k
R505 12k
R507 270k
R508 270k
100p
C509
100p
C510
C548 1000p
10V
100
C501
10V
100
C502
1
2
3
4
5
6
7
8
9
CN502
9P
A+9V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
M+9V
TP-STATE
0.1
C545
0.1
C546
E
ET501
0.1
C549
50V
1
C513
50V
1
C514
TP518
16V
47
C515
1
2
3
4
5
6
7
8
8P
CN501
TO TAPE
MECHANISM
9V
M-GND
SW
EH
VREF
Lch
COM
Rch
TP510
TP511
TP512
TP513
TP514
TP515
TP516
TP517
R537
10k
R538
10k
2200p
C537
C536
2200p
2200p
C535
2SC1740S-QRT
Q501
2SC1740S-QRT
BIAS OSC
BIAS OSC
Q502
6
2
1
3
5
4
L501
BIAS OSCILLATION
TC BOARD
MAIN
BOARD
(2/3)
CN450
(Page 32)
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
IC501
OP AMP
IC502
4.5
4.5
9.0
4.5
4.5
4.5
4.5
4.5
4.5
9.0
4.5
4.5
4.5
4.5
0
0
0<<0.3>>
0<<0.3>>
0<<0.3>>
0<<0.3>>