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

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Q Q
5-10. Schematic Diagram – MAIN Section (4/4) –
3 7 6 3 1 5 1 5 0
80
49
30
BUFFER
T E
L
1 3 9 4 2 2 9 6 5 1 3
7
TO
MAIN BOARD
(2/4)
31
32
33
34
35
36
37
38
39
40
41
42
w w w
43
44
45
46
.
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48
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51
MAIN BOARD
(4/4)
Q313,314
MUTE CONT
12
11.8
0
5.8
2.1
0
4.0
1.5
BUFFER
6.6
BUFFER
0
0
0
BUFFER
BUFFER
1.9
4.4
4.4
1.2
0.7
0.7
BUFFER
SWITCH
SWITCH
4.4
4.4
4.4
4.4
x
a o
y
i
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8
TO
9
MAIN BOARD
(3/4)
52 53 54
55
58596061 62636465 6671 676869 70
Q315,316
MUTE
0
0.7
0.7
0
0
0
0
BUFFER
BUFFER
Q
Q
4.4
4.4
3
7
6
3
SWITCH
4
4
u 1 6 3
.
29
29
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2
4
9
9
8
807273
74 75 76 77 78 79
RELAY
DRIVE
15.3
0.1
15.3
Q809,810
PROTECT DETECT
11.9
11.9
0
0
0
1
5
1
5
0
8
9
2
4
Q331,332
MUTE
0
0
0.7
0.7
0
11.1
5.6
4.8
SWIITCH
m
c o
HCD-GX40
2
9
9
JK302
SUB WOOFER
OUT
TO
H
AMPLIFIER
BOARD
CN509
(Page 34)
+
JK303
+
SPEAKER
-
-
9
8
2
9
9
CN304
SUB WOOFER
CONTROL
E
TO
PANEL
BOARD
CN691
(Page 31)
D
TO
POWER
BOARD
CN503
(Page 33)
CN403

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