Table Of Contents - Citizen CBM-230 Service Manual

1. Assembling / Disassembling procedure........................................................................................................................3
1. How to remove Printer Cover...................................................................................................................................4
2. How to remove Top Cover .......................................................................................................................................5
2.1 Remove Paper End Holder from Top Cover.......................................................................................................5
2.2 Remove Switch Cover from Top Cover .............................................................................................................5
2.3 Remove Operation Panel Board from Top Cover...............................................................................................5
3.Remove Mech. Bracket Unit .....................................................................................................................................6
3.1 Remove Auto Cutter from Mech. Bracket (CBM-231)...................................................................................6
3.2 Remove Printer Mechanism from Mech. Bracket ..............................................................................................6
3.3 Remove Head Up Lever from Mech. Bracket (CBM-231) ................................................................................6
3.4 Remove Cutter Lock Lever from Mech. Bracket (CBM-231) ...........................................................................6
3.5 Remove Paper Cutter from Printer Mechanism (CBM-230)..............................................................................6
3.6 Remove FG Plate from Printer Mechanism........................................................................................................6
4. Remove Control Board.............................................................................................................................................7
5. Remove Power Box ..................................................................................................................................................7
6. Remove Switching Box ............................................................................................................................................8
2. Circuit Diagram............................................................................................................................................................9
Block Diagram............................................................................................................................................................10
Circuit Diagram : Serial Interface............................................................................................................................... 11
Circuit Diagram : Parallel Interface............................................................................................................................12
Circuit Diagram : OP PCB Assy ................................................................................................................................13
Circuit Diagram : PE PCB Assy.................................................................................................................................14
3. Service Parts List ........................................................................................................................................................15
*For detailed information of LT-380 printer mechanism and AC-130 Auto Paper Cutter unit,
please refer to the separate service manual
CITIZEN
Contents
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CBM-230/231 Service Manual