Schematic Diagram - Main Section (3/4) - Sony HCD-GX40 Service Manual

HCD-GX40
Q Q
5-9. Schematic Diagram – MAIN Section (3/4) –
3 7 6 3 1 5 1 5 0
MAIN BOARD
4
3
5
6
TO
MAIN BOARD
(1/4)
23
6
24
22
TO
MAIN BOARD
(2/4)
IC306
LPF,BUFFER
T E
L 1 3 9 4 2 2 9 6 5 1 3
9
10
4
13
14
TO
15
MAIN BOARD
(1/4)
16
17
18
w w w
• See page 36 for IC Block Diagrams.
(3/4)
11.4 11.4
BUFFER
BUFFER
4.7
4.6
4.4
4.3
IC303
(1/2)
MIX
5.9
(1/2)
5.9
5.9
IC301
IC B/D
SOUND PROCESSOR
0.7
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6 4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
9.2
4.6 0
0
20 21 19 27 26 25
TO
TO
5 8
MAIN
MAIN
BOARD
BOARD
x a o
y
(2/4) (2/4)
. i
http://www.xiaoyu163.com
8
IC804
IC803
+5V REG
SWITCH
+5.6V REG
5 13.6
5.6
13.6
13.6
13.6
0.6
9
12
24.6
Q Q
IC802
3 7 6 3
+12V REG
2829 80 49 50 51 52 53 54 55 5859606162636465666768 69 70
u 1 6 3
.
28 28
http://www.xiaoyu163.com
2 4
9 9
13.6
GND1
15.4
IC801
1 5 1 5 0 8 9 2
+9V REG
C817
0.1
R814
D814
5.6k 12.7
R854
R812
100
4.7k 0
R813
D815
5.6k
C397
Q803
C816
R815 0.1
4.7
47k
50V MOTOR
DRIVE
4.3
0
RELAY DRIVE
0
12
0
2.9 0.7
0.8
0
0
0
RELAY DRIVE
Q806,813
PROTECT SWITCH
PROTECT CONT
80 72 73 71 74 75 76 77 78 79
m
TO
9
MAIN
BOARD c o
(4/4)
2
8 9 9
F
TO
POWER BOARD
CN502
(Page 33)
M961
4 9 8 2 9 9
(FAN)
M
CN301