230V/240V Pre-Amp Board Assy - Roland AC-100UT Service Note

Acoustic chorus
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Nov, 1997
1
2
3
4
5
6
A
CIRCUIT BOARD
230V/240V PRE-AMP-BOARD ASSY (01126412)
B
MIC/AUX CH BOARD
PRIMARY BOARD
C
GUITAR CH BOARD
XLR BOARD
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
XLR BOARD
R
S
T
U
7
8
9
10
11
12
13
GUITAR CH BOARD
MIC/AUX CH BOARD
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15
16
17
18
19
20
NOTE: Replacement PRE-AMP BOARD ASSY is 230V/240V version only.
230V/240V version differs from 100V/117V version only in fuse system.
When using MAIN AMP BOARD ASSY for 100V/117V version, replace fuse.
(refer to TABLE A)
TABLE A
100V/117V
FUSE 5x20 SB 4A/125V (12559444)
230V/240V
FUSE 5ST 2.5A/250V
AC-100UT
21
22
23
24
25
26
27
(F2559105)
PRIMARY BOARD
28
7

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