Schematic Diagram -Front Speaker Section; Q Q - Sony HCD-GZR7D Service Manual

HCD-GZR7D/GZR8D/GZR9D

Q Q

3 7 6 3 1 5 1 5 0
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
C
0
R413
Q441
D
2SC5625
0
GZR9D
1 3 . 8
GZR7D/GZR8D
R410
100k
C462
47
100V
R411
22k D441
C461
R468 2.2k 1W
MC2836
47
100V
R467 2.2k 1W R408
E
33k
Q441,442
T E
L 1 3 9 4 2 2 9 6 5 1 3 OVERLOAD DET
Q489
2SC3052EF-T1-LEF
MUTE
3 2 . 1 0
D483
MA2J1110GLS0
0
F
R418
1k
C463
R401 R402 22
100k 22k 35V
D481
MA2J1110GLS0
C486
R406
1
1 5 . 7
10k R421
50V
4.7k
1 5 . 5
Q485
ISA1235AC1TP-1EF
G 0
R403
47k 3 . 4 R438
R404
1k
0
Q487
2SC3052EF-T1-LEF
R405 0 R423
1k
0
Q486 R424
2SC3052EF-T1-LEF
R407
22k GZR8D/GZR9D
H
Q485-487
PROTECT
I
GZR7D/GZR8D
GZR9D
w w w
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
R495
1
C445 C446
100p 100p GZR9D
1
R425
0.22
R420 R416 5W
C435
R414
0.22 1k
100p
56k
5W 5
R430 R434
4 R432 56k
R439
0
Q442 390 1k
R428
56k
2SC5625
4
C447
47
0
50V
1 3 . 8
Q443
R417 2SC5625
100k OVERLOAD DET
R433
R415
100k
R440 R441
R427 R429 R431
22k
22k 33k
56k 56k 56k
R419 C443 C444 C432
33k
470p 470p 470p
D442
R435 R436 R437 MA2J1110GLS0
2.2k 2.2k 2.2k
C431
10
50V
C441
10
C442
50V
10
50V
R475
2.2k
R422
R446
5 3
100k
TH441
R449
0 1 5 . 5 1 5 . 5 14
Q488
47k
KTC3198GR-A
0 R445 0
330
0 R447
18k
2.2k
0 0
Q480
KTC3198GR-A
0
2.2k
R448 0 . 7
0 47k
C481
100 10V
Q480,488 Q481,482 Q483,484
RELAY CONTROL OVERLOAD DET THERMAL DET
424441551 H401 Mount Mecha
424441511
H403 Mount Mecha
x a o
424441551 H402 Mount Mecha
y
. i
http://www.xiaoyu163.com
7 8 9
C409,410 2 D403 D10XB20 (GZR7D/GZR8D) 3 R422 4 R428,430
2200 50V (GZR7D/GZR8D) D401 D15XB20 (GZR9D) 2.2k (GZR7D) 270 (GZR7D)
3300 50V (GZR9D) 0 (GZR8D/GZR9D) 470 (GZR8D/GZR9D)
R438 6 R470,472 7 R471,473
10k (GZR7D) 180 (GZR7D) 180 (GZR7D)
4.7k (GZR8D/GZR9D) 120 (GZR8D/GZR9D) 100 (GZR8D/GZR9D)
GZR9D
R474
47k
R499 Q Q
47k 3 7 6
C453
0.1 RY442
R497
D443
56k C456
MA2J1110GLS0
0.1
Q490
ISA1235AC1TP-1EF
RELAY DRIVER
R463
10k
~
R491
C411 C409
22k
2200 R476
1 ~
R493 100k
71V
22k
R492
R477
C412 22k
C410 100k
2200
R494
1
71V
22k ~
~
u 1 6 3
76 76
2 4
8 9 9
10 11 12
CN446 CN447
8P 8P
FRONT-L-SP FRONT-L-SP
1 1
3 FRONT-L-SP FRONT-L-SP 3
4 FRONT-L-GND FRONT-L-GND 4
FRONT-L-GND FRONT-L-GND
5 5
FRONT-R-SP FRONT-R-SP
6 6
7 FRONT-R-SP FRONT-R-SP 7
8 FRONT-R-GND FRONT-R-GND 8
9 FRONT-R-GND FRONT-R-GND 9
RY441 CN445
4P
1 SW-SP-OUT
D484
2 SW-SP-GND
MA2J1110GLS0
3 SW-SP-GND
C451 3 C452 1 5 1 5 0 8 9
0.1 0.1
SW-SP-OUT
4
C455 C454
0.1 0.1
CN442
1 HP-L-OUT
HP-GND
2
3 HP-R-OUT
4 POWER_GND
5 STK-MUTE
SW-ON/OFF
6
7 UNREG.15V
8 RELAY_+B
9 GND(AC3-RELAY)
PROTECT
10
C487
11 IN-F-L
1000p
12 AMP-IN-GND
13 IN-F-R
SW-GND
14
IN-SW
15
16 SW-GND
E
17 RELAY-SURR/CENT
EP401
CN444
1 AC-VL
2 AC-VL
D401/403 C413
0.1 AC-GND
3
2
RECT C403 4 SURR-GND
0.1
5 SURR-GND
100V
6 CENT-GND
C404
PROTECT
0.1 7
100V
CN443
C414
5P
D402
0.1 1 AC-VH
D10XB20
AC-VL
RECT 2
GND
3
4 AC-VL
5 AC-VH
m
c o
.
2
8 9 9
13 14 15
SP-TERMINAL BOARD
L445 1.7uH
R489 R479
10 10
R481 R486
10 10
4 JK402
+
4P
3 L
-
FRONT
2
+ SPEAKER
1 R
-
R478 R480
10 10
R482 R483
10 10
L446 1.7uH
GZR9D
SP TERM(SURR,CENT,SW)
S
BOARD
2 4 9 CN448 8 2 9 9
(Page 78)
17P
GZR8D/GZR9D CN450 13P GZR7D
1 HP-L-OUT
HP-GND
2
3 HP-R-OUT
4 POWER_GND
5 STK-MUTE
MAIN
SW-ON/OFF
6
V BOARD
UNREG.15V
7
( 3 / 4 )
MAIN
8 RELAY_+B CN204
L BOARD
(Page 61)
9 GND(AC3-RELAY)
( 3 / 4 )
PROTECT
CN203 10
(Page 61)
IN-F-L
11
12 AMP-IN-GND
13 IN-F-R
7P
GZR8D/GZR9D
SURR & CENT AMP
R
BOARD
CN544
(Page 78)
TRANS
T
BOARD
CN903
(Page 80)