Read Sony CDX-M730 Service Manual online
42
42
CDX-M730
4-15. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 30 for Circuit Boards Location.
(Page 44)
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
S4
S11
S10
S2
S3
S12
LSW22
S13
LSW20
S9
LSW18
LSW15
S7
LSW13
LSW12
LSW11
LSW10
LSW9
LSW8
LSW7
LSW6
S15
LSW1
S14
LSW2
LSW5
LED3
LED8
LED14
LED16
LED10
LED12
LED5
LED6
LED7
LED2
LED1
R54
R53
R52
R51
R50
R49
R48
R47
R46
R37
R35
R34
R32
R31
R29
R28
R27
R26
R25
R24
R23
R22
R21
R20
R19
R18
R17
R16
R15
R14
R13
R12
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q3
Q2
Q1
R55
S8
C9
LCD1
LED13
LED17
LED18
LED9
LED11
LED4
LED15
C10
R39
R43
R42
R41
R40
R36
D8
D7
R30
C1
C2
C5
C4
R33
IC1
R38
C8
C7
C6
C3
R44
R45
CN1
S1
CN2
(Page 34)
Ref. No.
Location
D7
H-9
D8
H-9
IC1
G-8
LED1
B-5
LED2
B-10
LED3
B-2
LED4
B-3
• Semiconductor Location
Ref. No.
Location
LED5
C-2
LED6
C-3
LED7
D-1
LED8
D-3
LED9
D-14
LED10
D-3
LED11
B-3
LED12
B-2
LED13
C-13
Ref. No.
Location
LED14
B-13
LED15
B-11
LED16
D-11
LED17
B-12
LED18
C-12
Q1
B-4
Q2
A-4
Q3
C-4
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