Citizen CBM-230 User manual

CITIZEN
Service Manual
Model : CBM-230/231
Japan CBM Corporation
Information Systems Div.

CBM-230/231 Service Manual
CITIZEN 2
Contents
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

CBM-230/231 Service Manual
CITIZEN 3
1. Assembling / Disassembling procedure

CBM-230/231 Service Manual
CITIZEN 4
1. How to remove Printer Cover
(1)Open the Printer cover
(2)Pulling the Hook into inner side, remove the Printer Cover.

CBM-230/231 Service Manual
CITIZEN 5
2. How to remove Top Cover
(1) Set the Printer Mechanism at head up
condition by pulling Head up Lever in
the direction of the arrow.
(2) Open the Auto Cuter unit (CBM-231)
Pull the Cuter Lock Lever in the
direction of the arrow.
(3) Unfasten the screws M3x10 (2pcs).
(4) Pull up the rear side of the Top Cover.
(interface side)
(5) Disconnect the connectors for Paper End
Holder and for Operation Panel Board.
2.1 Remove Paper End Holder from Top
Cover
(1) Unfasten the tapping screw M3 x 14.
(2) Cut the band binding cord.
(3) Remove the cord through the Top Cover.
2.2 Remove Switch Cover from Top Cover
(1) Unfasten the tapping screw M3x12.
2.3 Remove Operation Panel Board from Top
Cover
(1) Unfasten tapping screws M2.6 x 6 (2pcs).

CBM-230/231 Service Manual
CITIZEN 6
3.Remove Mech. Bracket Unit
(1) Unfasten the screws M3x7 (2pcs).
(2) Remove the connectors of Auto Cuter and
Printer Mechanism (2pcs).
(3) Release the Lock of flexible cable and
remove the flexible cable.
3.1 Remove Auto Cutter from Mech. Bracket
(CBM-231)
(1)Unfasten only one screwM2x6.
(Mech. Bracket has two M2.3 x 6 screws.)
(2)Remove the cord through Mech. Bracket
3.2 Remove Printer Mechanism from Mech.
Bracket
(1) Unfasten the crews M2 x 6 (2pcs).
(2) Pulling Auto Cuter unit aslant into
the upside.
3.3 Remove Head Up Lever from Mech.
Bracket (CBM-231)
(1) Moving the Head Up Lever in the direction of
the arrow, remove the Head up lever.
3.4 Remove Cutter Lock Lever from
Mech. Bracket (CBM-231)
(1) Unfasten the screw M2.6 x 6.
3.5 Remove Paper Cutter from Printer
Mechanism (CBM-230)
(1) Unfasten the screws M2 x6 (2pcs).
3.6 Remove FG Plate from Printer
Mechanism
(1) Unfasten the screw M2x6.

CBM-230/231 Service Manual
CITIZEN 7
4. Remove Control Board
(1) Remove the Power Supply Connector.
(2) Unfasten the screws M3x7(2pcs).
5. Remove Power Box
(1) Unfasten the tapping screws M3 x 12 (2pcs).
(2) Pull up the Power Box at the indicated side
(An arrow) and remove the Power
Box from the Bottom Cover.

CBM-230/231 Service Manual
CITIZEN 8
6. Remove Switching Box
(1) Remove the Bush using a tool.
(2) Unfasten the Earth screws M4 x 6 and M 3 x 6, remove the Earth Cord.
(3) Unfasten the screws M3 x 7 (4pcs).
(4) Pulling up the Power Supply Switch, remove the Switching Power Supply.
(5) Pulling the center of Shield plate, remove the Shield Plate.
(CBM-230 only)

CBM-230/231 Service Manual
CITIZEN 9
2. Circuit Diagram

CBM-230/231 Service Manual
CITIZEN 10
Block Diagram

CBM-230/231 Service Manual
CITIZEN 11
Circuit Diagram : Serial Interface

CBM-230/231 Service Manual
CITIZEN 12
Circuit Diagram : Parallel Interface

CBM-230/231 Service Manual
CITIZEN 13
Circuit Diagram : OP PCB Assy

CBM-230/231 Service Manual
CITIZEN 14
Circuit Diagram : PE PCB Assy

CBM-230/231 Service Manual
CITIZEN 15
3. Service Parts List

CBM-230/231 Service Manual
CITIZEN 16
Model
CBM-230/231
Service Parts List
Ref. Parts No. Description CBM-230 CBM-231
1E 4002-440 Chassis 50-0141 1 1
2
E 6302-340 Foot 4 4
3E 4035-700 Insulation Sheet 1 1
5
E 4000-940 PS Unit 230-10U 120V 1 1
E 4000-950 PS Unit 230-10E 220V 1 1
8
E 6100-705 AC Cord 120V 25-0184 1 1
E 6100-700 AC Cord 220V 25-0298 1 1
10 E 6101-115 Bush SR-4N-4 120V 1 1
E 6101-120 Bush SR-5N-4 220V 1 1
13
E 70010660 PCB Assy CBM-230-PF 1
E 70010670 PCB Assy CBM-230-RF 1
E 70010671 PCB Assy CBM-230-RF-UL 1
E 70010680 PCB Assy CBM-231-PF 1
E 70010690 PCB Assy CBM-231-RF 1
E 70010691 PCB Assy CBM-231-RF-UL 1
15
E 66000170 Printer LT-380 1 1
18
E 4035-710 FG Plate 50-0146 1 1
19
E 6220-530 Paper Cutter 1 1
20
E 6601-290 Printer Bracket 50-0143 1 1
22
E 8000-090 Auto-Cutter AC-131 1 1
23
E 8010-180 Mouth Plate F 50-0144 1 1
24 E 8010-190 Mouth Plate R 50-0143 1 1
26
E 8032-060 Head-Up Lever 60-0167 1 1
27 E 8032-070 Cutter Lock Lever 60-0166 1 1
29 E 62020120 Bottom Case 1 1
30
E 62010660 Top Case 1 1
31 E 6611-490 Paper Holder R 60-0162 1 1
33
E 5200-210 OP Sheet 1 1
34
E 4000-970 PE Holder Assy 1 1
35
E 4000-960 OP PCB Assy 1 1
37
E 62040150 Printer Cover 1
38 E 62040160 Printer Cover-AC 1

CBM-230/231 Service Manual
CITIZEN 17
Model
CBM-230/231 Service Parts List
Ref. Parts No. Description CBM-230 CBM-231
50
23G58244 Screw M2X3 4
51 23G57466 Screw M2X6 5 3
52
23G57473 Screw M2.3X5 2
53 23G57481 Screw M2.6X6 1
54
23G23179 Screw M2.6X6 2 2
55 23G53585 Screw M3X7 6 8
56
23G38619 Screw M3X12 3 3
57 23G29560 Screw M3X14 1 1
58
23G42966 Screw M3X6/TW 2 2
59
23G42959 Screw M4X6/TW 1 1
60
23G22530 Screw M3X10 2 2

CBM-230/231 Service Manual
CITIZEN 18
CBM-230/231 DISASSEMBLING DRAWING

CBM-230/231 Service Manual
CITIZEN 19
Model
CBM-230/231 PCB ASSY <Serial>
Service Parts List CBM-230/231-RF(230-01)
Ref. Parts No. Description QTY'
IC 1E 107-220 CPU uPD70433GD-5BB 1
2E 104-530 Gate Array 202LA-00 1
3E 107-230 S-RAM LC36256AL-10 1
4E 107-24* EP-ROM LE27C512F 1
6E 201-830 TTL 74LS139 1
7E 202-430 TTL 74LS00 1
8E 202-860 Reset IC PST520E 1
9E 202-880 HCMOS 74HCU04 1
10 E 2010200 TTL 7406 1
11 E 4101-710 DC-DC Conv. SI-8301L 1
13 E 2010040 I/F IC MAX232CPE 1
TA 1
E 202-830 Tr. Array TA8428K CBM-231 Only 1
2E 390-140 Tr. Array STA301A 1
3E 202-890 Tr. Array LB1650 1
TR 1.5.6
E 359-278 Transistor 2SC2785HF(2SC1740SR) 3
2E 358-040 Transistor RN1002 1
4E 358-050 Transistor 2SJ139 1
D 1-8.10 E 400-580 Diode MPG06B(RLI4002) 9
11 E 3221-041 Resistor 1/4W 220 J1
OSC 1E 501-320 Resonator CSA25.00MX040 1
2E 501-330 Resonator CST16.00MXW040 1
R 1.9 E 3181-041 Resistor 1/4W 180 J2
2.4 E 3333-041 Resistor 1/4W 33K J 2
3E 3683-041 Resistor 1/4W 68K J 1
5.6.8.11
E 3103-041 Resistor 1/4W 10K J 4
7E 3682-043 Resistor 1/4W 6.8K F 1
10.17 E 3101-041 Resistor 1/4W 100 J2
13 E 3103-043 Resistor 1/4W 10K F 1
12.14.15 E 3332-041 Resistor 1/4W 3.3K J 4
16
20 E 3105-041 Resistor 1/4W 1M J 1

CBM-230/231 Service Manual
CITIZEN 20
Model
CBM-230/231
PCB ASSY
Service Parts List CBM-230/231-RF(230-01)
Ref. Parts No. Description QTY'
RA 1.2 E 3500-040 Re. Array M9-1-103J 2
3.5
E 3500-050 Re. Array M5-1-103J 2
4E 3500-060 Re. Array M8-3-221J 1
C 1
E 2047-780 El. Cap. 16MR-470MF 1
3E 2047-725 El. Cap. 35MR-470MF 1
13-15
E 2010-615 El. Cap. 25MR-10MF 2
16.17 E 2047-535 El. Cap. 16NR-4.7MF 2
C 2.9
E 2220-080 C. Cap. DD305-63F104Z12 9
CP 1-6.9
C 4.5
E 2220-090 C. Cap. DD104-63CH050C50 2
10
E 2220-100 C. Cap. DD106-63F103Z50 1
11
E 2220-110 C. Cap. DD104-63B102K50 1
12
E 2220-120 C. Cap. DD104-63B471K50 1
CA 1
E 2000-070 Cap. Array B5RC0124-33N 1
CN 1
E 4800-915 Connector 5267-05A-X 1
2E 48000610 Connector 5597-30CPB 1
3
E 48000615 Connector 53047-0410 1
4E 48000620 Connector 5268-06A-X 1
5
E 4800-950 Connector 5267-03A-X 1
6
E 48000530 Connector TM5RJ3-66 1
7E 48000630 Connector 5268-04A-X CBM-231 Only 1
8
E 48000635 Connector 53047-0610 1
9
E 48000640 Connector 17LE-13250-27(D3AC) 1
* EUR Only(Meter Screw)
E 48000645 Connector 17LE-13250-27(D3CC) 1
* UL Only(Inch Screw)
DS 1.2 E 5103-230 Dip Switch KSD-08 2
3.4
E 5103-470 Dip Switch KSD-4 2
F 1
E 4005-770 Fuse MQ1.5 1
BZ E 7151-120 Buzzer MEB-12-5 1