Sony CDX-M730 Service Manual ▷ View online
41
41
CDX-M730
4-14. SCHEMATIC DIAGRAM — SUB (CD) SECTION — • Refer to page 49 for IC Block Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 39)
IC B/D
CN502
D506
D512
R507
R506
Q501
D514
R501
R502
Q502
D511
R503
C509
R504
R508
C507
R509
C505
C510
C503
FB503
SW501
C506
D513
CN501
JR552
D507
IC502
C508
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
43
43
CDX-M730
4-16. SCHEMATIC DIAGRAM — KEY SECTION —
(Page
39)
CN2
C9
C10
LCD1
LSW20(2/2)
LSW22(2/2)
LSW15(2/2)
LSW12(2/2)
LSW18(2/2)
LSW11(2/2)
LSW9(2/2)
LSW8(2/2)
LSW13(2/2)
LSW10(2/2)
LSW7(2/2)
LSW5(2/2)
LSW2(2/2)
LSW6(2/2)
IC1
C5
R41
C6
C7
C8
C7
C8
R42
R43
R44
R45
R39
R38
R38
R40
R36
C4
C3
C2
D8
LSW1(2/2)
R32
R29
R27
LED2
LED1
R31
Q3
Q2
R33
R30
C1
D7
R14
LSW10(1/2)
LSW11(1/2)
R1
LSW12(1/2)
LSW15(1/2)
R15
R2
R16
S13
LSW9(1/2)
R3
R4
LSW8(1/2)
S15
R17
S14
LSW7(1/2)
R18
R5
R19
LSW13(1/2)
LSW6(1/2)
R6
R20
S12
S3
R7
R21
LSW20(1/2)
LSW5(1/2)
R8
R22
S11
S9
R9
R23
LSW22(1/2)
S8
R10
R11
LSW1(1/2)
S10
R24
LSW18(1/2)
R25
S2
R12
R26
S4
LSW2(1/2)
R13
S7
CN1
S1
R28
Q1
LED4
LED3
LED6
LED5
LED8
LED10
LED7
LED11
LED12
LED17
LED18
LED15
LED14
LED16
LED13
LED9
R34
R35
R55
R37
R47
R48
R49
R51
R52
R53
R54
R50
R46
Note:
• Voltage is dc with respect to ground
under no-signal (detuned) condition.
no mark : FM
no mark : FM
(Page 45)
44
44
CDX-M730
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
LCD60
C76
C77
LED63
LED64
LED65
LED66
LED67
LED68
LED69
S60
LSW60
LED62
LED60
CN60
C83
R79
Q60
C81
FB60
C62
C63
C70
C65
C66
C67
D62
R61
C72
C73
C74
C75
C78
C79
D64
C80
C64
D67
D63
D65
D66
D61
D68
C71
R97
C61
IC60
IC61
IC62
R69
Q62
Q61
R60
R70
R63
R66
R67
R68
R71
R64
R62
R81
R96
R95
R94
R93
R92
R65
C60
R91
R90
R89
R88
R87
R86
R83
R82
R85
R80
R84
R72
R73
R74
R76
R77
R78
D70
4-17. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 30 for Circuit Boards Location.
(Page 42)
Ref. No.
Location
D61
H-11
D62
H-3
D63
G-3
D64
G-3
D65
G-3
D66
G-3
D67
F-11
D68
G-13
D70
H-14
• Semiconductor Location
Ref. No.
Location
IC60
G-10
IC61
G-12
IC62
G-13
LED60
B-2
LED62
B-2
LED63
B-12
LED64
B-2
LED65
B-13
Ref. No.
Location
LED66
C-2
LED67
C-13
LED68
C-2
LED69
C-12
Q60
G-2
Q61
H-2
Q62
G-2
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