Schematic Diagram -Front Speaker Section - Sony HCD-GZR9D Service Manual

HCD-GZR7D/GZR8D/GZR9D
Ver. 1.1
7-33. SCHEMATIC DIAGRAM – FRONT SPEAKER Section –
1 2 3
IC402
A
IC402
STK415-130-E
PRE DRIVER
IC B/D
1 2 3 4 5 6 7 8 9
GZR7D/GZR8D
IC401
B IC401
STK416-130-E
PRE DRIVER
IC B/D
1 2 3 4 5 6 7 8 9
GZR9D
C460
0 . 0 1
C491
C 0 . 0 1
0
Q441
D 2SC5625
0
GZR9D
13.8
GZR7D/GZR8D
R410
100k
C462
47
100V
R411
22k
C461
R468 2 . 2 k 1W
47
100V
R408
R467 2 . 2 k 1W
E 33k
Q441,442
OVERLOAD DET
Q489
2SC3052EF-T1-LEF
MUTE
D483
32.1
MA2J1110GLS0
F R418
1k
R401 R402
100k 22k
C486
R406
1
15.7
10k
50V
15.5
Q485
ISA1235AC1TP-1EF
0
G
R403
3.4
47k R404
1k
0
Q487
2SC3052EF-T1-LEF
R405 0
1k
0
Q486
2SC3052EF-T1-LEF
R407
22k
H
Q485-487
PROTECT
I
GZR7D/GZR8D
GZR9D
J
HCD-GZR7D/GZR8D/GZR9D
• See page 86 for IC Block Diagrams.
4 5 6
AMP FR & SW BOARD
10 11 12 13 14 15 16 17 18 19
10 11 12 13 14 15 16 17 18 19 20 21 22 23
C459 C464
0 . 0 1 0 . 0 1
R495
1
C445 C446
GZR9D
100p 100p
R425
0 . 2 2
R420 R416 5W
R414 C435
0 . 2 2 1k
100p
56k
5W
R430 R434
4 R432 56k
R439
0
R413
Q442 390 1k
R428
56k
2SC5625
4
C447
47
0
50V
13.8
Q443
R417 2SC5625
100k OVERLOAD DET
R433
R415
100k
R440 R441
R427 R429 R431
D441 22k
22k 33k
MC2836 56k 56k 56k
R419
C443 C444 C432
33k 470p 470p 470p
D442
R435 R436 R437
MA2J1110GLS0
2 . 2 k 2 . 2 k 2 . 2 k
C431
10
0
50V
0
C441
10
50V C442
C463
10
22
50V
35V
D481
MA2J1110GLS0
R421
4 . 7 k
R475
2 . 2 k
R438 R422
R446
5 3
100k
TH441
R449
0 15.5 15.5 14
Q488
47k
KTC3198GR-A
0 R445 0
330
R447
R423 0
18k
2 . 2 k
0 0
Q480
KTC3198GR-A 0
R424
2 . 2 k
R448 0.7
0 47k
C481
GZR8D/GZR9D
100 10V
Q480,488 Q481,482 Q483,484
RELAY CONTROL OVERLOAD DET THERMAL DET
424441551 H401 Mount Mecha
424441511 H403 Mount Mecha
424441551 H402
Mount Mecha
7 8 9
RU MODEL
EP402
1 C409,410 2 D403 D10XB20 (GZR7D/GZR8D) 3 R422
2200 50V (GZR7D/GZR8D) D401 D15XB20 (GZR9D) 2 . 2 k (GZR7D)
3300 50V (GZR9D) 0 (GZR8D/GZR9D)
5 R438 6 R470,472 7 R471,473
10k (GZR7D) 180 (GZR7D) 180 (GZR7D)
4 . 7 k (GZR8D/GZR9D) 120 (GZR8D/GZR9D) 100 (GZR8D/GZR9D)
GZR9D
R474
RU MODEL
47k
C436 R499
4700p 47k
C453
0 . 1
RY442
D443
C456
C438 R497 MA2J1110GLS0
0 . 1
1000p
56k
Q490
ISA1235AC1TP-1EF
GZR9D: C437
RU MODEL 4700p RELAY DRIVER
R463
10k
~
R491
C411
C409
22k
R476
2200
1 ~
R493 100k
71V
22k
R492
R477
C412 22k
C410 100k
2200
R494
1
71V
22k ~
~
76 76
10 11 12
CN446
8P
1 FRONT-L-SP FRONT-L-SP 1
FRONT-L-SP FRONT-L-SP
3 3
FRONT-L-GND FRONT-L-GND
4 4
FRONT-L-GND FRONT-L-GND
5 5
FRONT-R-SP FRONT-R-SP
6 6
4 R428,430 FRONT-R-SP FRONT-R-SP
7 7
270 (GZR7D)
FRONT-R-GND FRONT-R-GND
8 8
470 (GZR8D/GZR9D)
FRONT-R-GND FRONT-R-GND
9 9
RY441 CN445
4P
1
D484
2
MA2J1110GLS0
C451 C452 3
0 . 1 0 . 1
4
C455 C454
0 . 1 0 . 1
1
2
3
4
5
6
7
8
9
10
C487
1000p 11
12
13
14
15
16
E
17
EP401
1
2
C413
D401/403
0 . 1 3
2
RECT C403 4
0 . 1
5
100V
6
C404
0 . 1 7
100V
CN443
C414
5P
D402
0 . 1
1
D10XB20
RECT 2
3
4
5
13 14 15
SP-TERMINAL BOARD
L445 1.7uH
CN447
R489 R479
8P 10 10
R481 R486
10 10 C417
C419
2200p 4
JK402
0 . 1
100V +
4P
3 L
–
FRONT
2
RU MODEL
+ SPEAKER
1 R
–
R478 R480
C418
C420
10 10 2200p
0 . 1
100V
R482 R483
10 10
L446 1.7uH
GZR9D
SW-SP-OUT
SP TERM(SURR,CENT,SW)
SW-SP-GND
S
BOARD
SW-SP-GND
CN448
(Page 78)
SW-SP-OUT
CN442 17P
CN450 13P
GZR8D/GZR9D GZR7D
HP-L-OUT HP-L-OUT
1
HP-GND HP-GND
2
HP-R-OUT HP-R-OUT
3
POWER_GND
POWER_GND 4
STK-MUTE
STK-MUTE 5
MAIN
SW-ON/OFF
SW-ON/OFF 6
V BOARD
UNREG.15V
UNREG.15V 7
(3/4)
MAIN
RELAY_+B RELAY_+B
8 CN204
(Page 61)
L BOARD
GND(AC3-RELAY) GND(AC3-RELAY)
9
(3/4)
PROTECT PROTECT
CN203 10
(Page 61)
IN-F-L IN-F-L
11
AMP-IN-GND AMP-IN-GND
12
IN-F-R
IN-F-R 13
SW-GND
IN-SW
SW-GND
RELAY-SURR/CENT
CN444 7P
GZR8D/GZR9D
AC-VL
AC-VL
AC-GND
SURR & CENT AMP
R
BOARD
SURR-GND
CN544
SURR-GND
(Page 78)
CENT-GND
PROTECT
AC-VH
AC-VL
TRANS
T
GND BOARD
CN903
AC-VL
(Page 80)
AC-VH