Schematic Diagram -Surround/Center Speaker, Subwoofer Section- (Hcd-Gzr8D/Gzr9D) - Sony HCD-GZR7D Service Manual

HCD-GZR7D/GZR8D/GZR9D
Q Q
3 7 6 3 1 5 1 5 0
7-35. SCHEMATIC DIAGRAM – SURROUND/CENTER SPEAKER, SUBWOOFER Section – (HCD-GZR8D/GZR9D)
1 2
SURR & CENT AMP BOARD
A
1 2 3 4 5 6 7 8
C527
R556 R555 C526
47 100 100
50V
50V
B
Q507 Q508
R557 R558
2SC5625 2SC5625
1k 1k
0 0
0
0
R561
100k
Q507,508
C
D541
OVERLOAD
MC2836
DETECT
31.8 0
Q509 Q509
2SC3052EF-T1-LEF
MUTE
D508 R567
0
MA2J1110GLS0 1k
R568
33k C528
R569
D
100k 22
35V
T E
L 1 3 9 4 2 2 9 6 5 1 3
1 R517,518
620 (GZR8D)
510 (GZR9D)
E
C503
3300
50V
C504
3300
50V
F
w w w
HCD-GZR7D/GZR8D/GZR9D
3 4
(HCD-GZR8D/GZR9D)
IC B/D
IC501
IC501
STK433-260A-E
PRE DRIVER
9 10 11 12 13 14 15 16 17 18 19
R554 R520
C519
47 1 0 . 2 2
100p
5W
Q506
R525
C520 C547 R524 OVERLOAD DETECT
1k
100p 100p 47k
R562
0 R516 Q506 R559 R527
100k
47k 2SC5625 22k 33k
0 R518 0 0
R528
1
100k
R523
R515 R517
2
47k 1
0
R537
D505 47k
MA2J1110GLS0
D506
R536
MA2J1110GLS0
47k
Q504,505
PROTECT R535
56k
R513 R514 R522
47k 47k 47k
0 0
C589 C544 C522
470p 470p 470p
R511 R512 R521 0 0
2 . 2 k 2 . 2 k 2 . 2 k
C529
C511 100
C512 C521
10 10V
10 10
50V
50V 50V
2 R523
750 (GZR8D)
680 (GZR9D)
D501
D10XB20
R501 C501
100k RECT 0 . 1
~
R502 ~
C502
100k
0 . 1
x a o
y
. i
http://www.xiaoyu163.com
• See page 86 for IC Block Diagrams.
5 6 7
CN543
RY541 6P
C531 C532 C535
0 . 1 0 . 1 0 . 1
RY542
C533 C534 C536
0 . 1 0 . 1 0 . 1
R508
D503
4 . 7 k
MA2J1110GLS0
R539 R540 R543
9.9
R507 R505 R503
10 10 10
9.5 10k 56 56
R506 R504
R541 R542 R544
56 56
10 10 10
10.3
CN541
Q501
13P
ISA1235AC1TP-1EF
RELAY DRIVER
C505
1000p
Q Q
3 7 6
CN544
7P
H401 424441551
Mount Mecha
u 1 6 3
78 78
2 4
8 9 9
8 9 10
SP TERM(SURR,CENT,SW)
BOARD
(HCD-GZR8D/GZR9D)
CN544
6P
S-R-SP_OUT S-R-SP_OUT
1 1
S-R-SP_GND S-R-SP_GND
3 2
4 S-L-SP_GND S-L-SP_GND 3
5 S-L-SP_OUT S-L-SP_OUT 4
C-SP-GND C-SP-GND
6 5
7 C-SP-OUT C-SP-OUT 6
GZR9D CN448 4P
SW-SP-OUT 1
AMP FR & SW
SW-SP-GND 2
S
BOARD
SW-SP-GND
3
CN445
(Page 76) SW-SP-OUT
4
1 RELAY+B
2 RELAY-
SURR,CENT_ON/OFF
3
4 POWER_GND
5 STK-MUTE
MAIN
6 PROTECT
BOARD
M
UNREG.15V
7
(2/4)
8 P-GND CN205
(Page 60)
9 IN-SL
3 1 5 1 5 0 8 9
AMP-A_GND
10
IN-SR
11
12 CENT-GND
13 CENT-IN
1 AC-VL
AC-VL
3
AC-GND AMP FR & SW
4
R
BOARD
5 SURR-GND
CN444
6 SURR-GND
(Page 76)
CENT-GND
7
8 PROTECT
m
c o
.
2
8 9 9
11 12
R546 10 R548 10
R550 10 R552 10
L542
JK501
6P
1
-
L541
R
2
+
SURROUND
R545 10 R547 10
3
- SPEAKER
R549 10 R551 10 4 L
+
5
-
CENTER
R564 10 R570 10
6
+ SPEAKER
R571 10 R560 10
L543
JK401 2P
R488 10 R485 10
+
SUBWOOFER
R487 10 R484 10 -
L443
2 4 9 8 2 9 9