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PR-420A
Service manual & parts catalogue
Diagnostics - Casio PR-420A Service Manual & Parts Catalogue
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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4. DIAGNOSTICS
PW
F
D
1
00
ON
F
6
C
ON
F
6
0
ON
F
6
8
/
#
ON
F
6
ON
CUT 6
CA
ON
CUT 6
•
1
6
7
M+
ON
CUT 6
M+
ON
CUT 4
M–
ON
UP 3
÷
5
ON
5/4 2
+
ON
5/4 1
+
ON
5/4 0
M
ON
5/4 ADD
×
M
ON
5/4 ADD
×
CA
1
PRINT 5/4 ADD
×
OPERATION
TM
÷
+ –
9
%
/
2
3
4
5
MU
MD
÷
÷
=
1
— 3 —
DISPLAY
100
0
0.
-888.888888888
-888.88888888
0.
0.1234567
M
0.123456
M
0.1234
M
0.124
M
0.12
M
0.1
M
0.
M
0.123
0.123
–
K
0.01
8 8 8 • 8 8 8 8 8 8 8
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This manual is also suitable for:
Dr-1212la
Zx-516c
Zx-516d
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