Citizen PMU-2200II, Service Manual

Page: 3 / 45

PMU2XXX Service Manual
-
2
-
CONTENTS
INTRODUCTION
.......................................................................................................................................3
1. DISASSEMBLY AND REASSEMBLY
...............................................................................................3
1.1 Tools Used
.........................................................................................................................................3
1.2 Disassembly Procedure
...................................................................................................................4
1.2.1 Removing Board Main
...............................................................................................................4
1.2.2 Removing UNIT,MECHANISM
..................................................................................................5
1.2.3 Removing UNIT, Paper Holder
..............................................................................................10
1.2.4 Removeng BM Sensor
.............................................................................................................16
1.2.5 Removeng SA PLATEN HILDER
.............................................................................................18
2. Memory Switch Setting
.................................................................................................................19
3.
TROUBLESHOOTING ......................................................................................................................20
3.1 Error Indication
...............................................................................................................................20
3.2 Troubleshooting Procedure
...........................................................................................................22
3.3 Troubleshooting Guide
..................................................................................................................22
4. SERVICE PARTS LIST
.....................................................................................................................26
4.1 Parts List for Mechanism
...............................................................................................................26
4.2 Exploded View of Mechanism
.......................................................................................................29
4.2.1 PMU2220
Ⅱ
/
２２１０Ⅱ
2-inch mode Base style:Horizontal
...........................................29
4.2.2 PMU2211
Ⅱ
2-inch mode Base style:Vertical front-mount
..........................................30
4.2.3 PMU2202
Ⅱ
/2212
Ⅱ
2-inch mode Base style:Vertical back-mount
............................31
4.2.4 PMU2300
Ⅱ
/2310
Ⅱ
3-inch mode Base style:Horizontal
..............................................32
4.2.5 PMU2301
Ⅱ
3-inch mode Base style:Vertical front-mount
..........................................33
4.2.6 PMU2302
Ⅱ
3-inch mode Base style:Vertical back-mount
..........................................34
4.3 List of Electric Parts
.......................................................................................................................35
4.4 Parts Configuration
........................................................................................................................36
4.4.1 Main Control Board(Serial)
.....................................................................................................36
4.4.2 Main Control Board(Parallel)
..................................................................................................37
4.4.3 Main Control Board(USB)
.......................................................................................................38
4.4.4 Main Control Board(USB)
.......................................................................................................39
5. CIRCUIT DIAGRAM
.........................................................................................................................40
5.1 Main Control Board
（
CPU Circuit
）
.............................................................................................40
5.2 Main Control Board
（
port
）
.........................................................................................................41
5.3 Main Control Board
（
Other Common part
）
.............................................................................42
5.4 Main Control Board
（
Interface Circuit on Serial, USB
）
..........................................................43
5.5 Main Control Board
（
Interface Circuit on Serial, Parallel
）
....................................................44