Printed Circuit Boards - Casio CTK-680 Service Manual

PRINTED CIRCUIT BOARDS

MAIN PCB JCM717-MA1M
R124
R123
R122 R85
R96 C103
R121 R86
C98
R120 R87
R95
R119 R88
R118 R89
C141
R117 R90
R116 C99
C142
R115 R91
R114
R113
R112
R111
R110
C87
R109
MR17
R108
C143
R107
R106
MR16
R105
R104
R103
R94 C102
R102 C101 R92
R101
R100 R93
FB54
R99
C84
R98
C85
R97 C133
R71
NO.
C104
C105
C106
C107
C108
X12
C109
C110
C111
C112
C113
C114
6
C115
C116
7 IC13
C117
MR11
8
C118
C119
C120
C121
C122
C95
C123
C124
C125
C126
C127
C128
C129
C130
C131
LSI16
JCM717-MA1M B
— 16 —
C80
C146
LSI11
C81 R11
C14
C76
C16 C15
C77
R69 FB51
C71
C153 C152
C73 R68
FB52
EF2
C54
LSI15
Q14
LSI14
D12
Q13
D11
C94
Top view
11
2
JE16
1
JF15
EF1
MR14
C97
R70
MR12
LSI17
X11
C82
C145
C79
LSI13
LC11
LSI12
12 13 14
Bottom view
C20
C21
Q12
C22
C23
C24
Q11
C30
C29
C26
C25
C27
C28
C31
C32
C33
IC12
C37
10 9 3
1
C36
R40
5
R39
R38
R37
R36
R35
R34
FB25
R33
FB24
R32
R31
FB23
FB20
FB19
1
FB17
FB16
FB18
4
FB21
FB22
FB15
R25
FB14
R24
FB13
R23
FB12
FB11
R22 R21