Printed Wiring Boards -Cd Mechanism Section - Sony CDX-M9900 Service Manual

3-8. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 23 for Circuit Boards Location.
1 2 3
A
Q5
R107
R139
C83
Q2
C29
R22
R29
C28
IC7
B
R24
C85
R116 C91
C35
C39
R109
C42
R77
IC8
C X1
C50
R70
C115
R111
C54
C92
C81
C59
C86 C58
C75
R64
D
R143
R141
IC4
E
R37
C1
C2
C56
R92
C36
F R117
R114
R148
R16
R18 R5
R147
R123
C8
C19
G
IC1
R15
R14
C11
R11
C14
H
4 5 6
R23
C25
R25
C30
C34
C38
Q1
R41 C40
R12
R43 R7
R42
R44
R55
R46
R54
C47 C44
C43
R49
C49
R61
C57
C64
C32
X2
R146
SW1
: Uses unleaded solder.
7 8 9 10
BP2
BP3
IC3
C10
R79 R68
C55
C48
C53
R1
C4
R98
R65
C13
R10
25 25
11 12 13
R3
R2
R9
R8
R19
R20
R28
BP1
C110
C109
R102
R99
R144
R122
R128
R127
R59
R67
R97
R119
R81
C63
R57
R87
R86
C51
C67
FB1
R27
R26
R4 R17
C26
R21
C7 C18
(Page 29)
C21
C3
C16
CDX-M9900/M9905X
14
• Semiconductor
Location
Ref. No. Location
IC1 G-2
IC3 B-10
IC4 E-2
IC7 B-2
IC8 C-2
Q1 B-4
Q2 B-2
Q3 B-2
Q5 A-2
Q6 A-1