Circuit Diagram (Main 2/5) - Roland V-Synth XT Service Notes

MAY.2005

CIRCUIT DIAGRAM (MAIN 2/5)

fig.c-main2.eps
C122
C105
C121
C104
C120
C124
C119
C123
IC30
C115
IC30
R112
R135 NIU
R215
R113 NIU
R115
C223
NIU
C114
R114
R117
R116
RA51
RA52
R136 NIU
C132
C150
C144
C113 C149
C111 C143
C112 C148
C110 C142
C109 C147
C107 C141
C108 C146
C106
C140
C145
RA50
R127
R126
R131
R134
R132
R128
R129
R130
R133
RA49
R105
R106
R107
R246
RA60
R216 R120
NIU
R217
C224
NIU
NIU
C225
NIU
RA57
PPC
IC37
IC35
R111
R100
IC35
RA45
IC35
R104
RA47
C155
RA46
C154
C152
C153
C151
RA48
R103
R102
R119
RA59
C136
R109
R137
NIU
RA58
R108
C102 IC39
NIU
NOR Flash (8MB)
RA55
RA56
C134
IC40 C133
C135
ESP4
IC41
DRAM (4Mbit)
C157
C98
R101
67.7376MHz
11.2896MHz
IC33
PLL(x6 Multiplyer)
IC36
R124
R123
IC36
R122
R121
IC36
C127
C126 C129
C125 C128
C138 C139
RA53
RA54
C101
R247
R118
LCDC
C100
IC38
R110
C117 C116
C118
IC44
IC42
NAND Flash (64MB)
V-SynthXT
C137
L3
CN1
L16
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
C130 to LCD
C131
C99
IC28
IC34
C97
IC28
43