Citizen CBM-910 Type II User manual

Service Manual

DOT MATRIX PRINTER

MODEL CBM-910II

Aug 20th, 2005 Issued

CBM-910IIServiceManual

Contents

1. How to remove the Upper Cover........................................................................................................1

2. How to remove the Printer Mechanism..............................................................................................1

3. How to remove the Control Board......................................................................................................2

4. How to remove the Paper Holder .......................................................................................................2

5. How to remove the Operation Panel...................................................................................................3

6. How to remove the Paper Hook..........................................................................................................3

7.ExplodedViewCBM-910II................................................................................................................4

8. Exploded View : CBM-910 .................................................................................................................5

9.CBM-910II Parts List 1/2 ...................................................................................................................6

10.CBM-910II PartsList 2/2 ...................................................................................................................7

11.PartsPosition:CBM-910IIRF...............................................................................................................8

12.PartsPosition:CBM-910IIPF............................................................................................................9

13.SchematicDiagramCBM-910IIRF......................................................................................................10

14.SchematicDiagramCBM-910IIPF......................................................................................................11

CBM-910IIServiceManual

CITIZEN 1

1. How to remove the Upper Cover

(1) Unfasten 2 screws M3 ×8 on the Bottom Cover.

(2) Lift the Upper Cover in the arrow direction removal.

(3) Unfasten 2 screws, The Printer Mechanism mounting screw, then remove the Shield Plate from the Printer

Mechanism.

(4) Disconnect the 2 Connectors from the Control Board.

2. How to remove the Printer Mechanism

(1) Remove the Upper Cover.

(2) Unfasten 4 screws M2.6 ×8andM2×6 as shown below.

(3) Lift the Printer Mechanism in the arrow direction.

CBM-910IIServiceManual

CITIZEN 2

3. How to remove the Control Board

(1) Remove the Upper Cover.

(2) Unfasten 2 screws M3 ×8 as shown below.

(3) Shift the Control Board in the arrow direction

(4) Shift the Control Board in the arrow direction

And remove the Power Switch from the Bottom Cover. Then lift in the arrow direction

Remove the shield Plate together with the Control Board.

4. How to remove the Paper Holder

(1) Remove the Printer Cover.

(2) Unfasten a screw as shown below.

CBM-910IIServiceManual

CITIZEN 3

5. How to remove the Operation Panel

(1) Remove the upper Cover.

(2) Unfasten 2 screws M2.6 ×6 as shown below.

6. How to remove the Paper Hook

(1) Remove the Printer Cover.

(2) Release a Lock Hook as shown below and lift the Paper Hook to the upside.

(3) When you set this Lock Hook, set the side of Hook to the Upper Cover, and according to the guide, inset the

Lock Hook until this is locked completely.

CBM-910IIServiceManual

CITIZEN 5

7.ExplodedView:CBM-910II

CBM-910II Parts List 1/2

Ref No. Parts No. Description Remarks

1 E 62010670 Top case Standard colo

2 80-0159 OP sheet

3MD910 Printer MD910 24 columns

3MD911 Printer MD911 40 columns

4 E 4000-850 OP assy

SW1,2 E 5102-430 SWITCH SKHHAN

LED1,2 E 480-290 LED SEL2310E

6E 4000-970 PE Holder ass

11 E 6611-405 Paper hook

15 E 62020140 Bottom case Standard colo

16 E 6302-290 Foot

18 E 4035-720 Schield plate

19 E 4035-730 Ground sheet

24 E 62040170 Printer cover (H) (ø 80 roll)

25 E 62040180 Printer cover (ø 60 roll)

34 76G23760 Screw M2 x 6

35 76G22839 Screw M2.6 x 8

37 76G40207 Screw M3 x 10

92ADU AC adaptor 92AD-U US

92ADJ AC adaptor 92AD-J JPN

92ADE AC adaptor 92AD-E EU

CBM-910II Parts List 2/2

R P Parts No. ＲＰ Remarks

950037-00 PCB Assy 910-2 R JPN/EUR 24col (1) JPN/EUR 24col

950038-00 PCB Assy 910-2 R USA 24col (1) ＵＳＡ 24col

950039-00 PCB Assy 910-2 R JPN/EUR 40col (1) JPN/EUR 40col

950042-00 PCB Assy 910-2 R USA 40col (1) USA 40col

950040-00 PCB Assy 910-2 P 24 col (1) 24 columns

950041-00 PCB Assy 910-2 P 40col (1) 40 columns

IC3 IC3 H130006-10 CPU M30620M８A11

IC4 IC4 H120012-00 EEPROM M24C02WMN6 1 1

IC5 IC5 H150001-10 Reset IC M51953BPF 1 1

IC2 IC2 H170007-10 Regulator M5237ML 1 1

IC1 IC1 H170008-10 Regulator TA48M05F 1 1

IC201 H160001-10 I/F IC SP232ECN 1 0

IC201,IC202 H110023-10 HCMOS SN74LV05APW 0 2

IC203 H110012-00 HCMOS 74LV74APW 0 1

TA1-TA4,TA6 TA1-TA4,TA6 H240011-10 Transistor array FDS6912A 5 5

TA5 TA5 H240012-10 Transistor array FDS8958A 1 1

TR1 TR1 H200002-10 Transistor 2SA1720 1 1

TR4,TR5,TR9 TR4,TR5,TR9 H220001-10 Transistor 2SC2712 3 3

TR2,TR3 TR2,TR3 H290002-10 Transistor RN1302 2 2

TR6,TR11 TR6,TR11 H290002-10 Transistor RN1302 2 2

TR202 H290002-10 Transistor RN1302 0 1

TR201 H280005-10 Transistor 2SK3018 0 1

TR10 TR10 H280006-10 FET 2SJ327Z 1 1

TR201 H280005-10 FET 2SK3018 0 1

XTAL1 XTAL1 H630008-10 Ceramic X'tal CSTCE10M0G52-R0 1 1

SW2 H610001-10 DIPSW KSD08S 1 0

SW2 H610003-10 DIPSW KSD04S 0 1

SW1 SW1 H650014-10 Power ＳＷ SK-22H03-G7 1 1

CN1 CN1 H500050-10 Connector MOJ-D14 1 1

CN2 CN2 H500051-10 Connector 5267-17A 1 1

CN3 H500024-10 Connector 70013-025-03 1 0

CN3 H500025-10 Connector 70013-025-04 1 0

CN3 H500027-10 Connector 57RE-40360-730B(D29) 0 1

CN4 CN4 H500008-10 Connector 5267-06A 1 1

F1 F1 H620012-10 Fuse SST2 1 1

L1 L1 H640010-00 SC coil SC-03-05GS 1 1

CN5 CN5 H500005-10 Connector 5267-03A <1> <1>

Description Q''tyRef No.

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