Casio 140CR-272 User manual

SERVICE MANUAL

(without price)

ELECTRONIC CASH REGISTER

140CR/PCR-272

(EX-260)

FEB. 2009

CONTENTS

140CR/PCR-272 PAGE

1. SPECIFICATIONS ...................................................................................................... 1

2. MACHINE INITIALIzATION ....................................................................................... 3

3. DISASSEMBLy .......................................................................................................... 4

4. CIRCUIT EXPLANATION......................................................................................... 12

5. DIAGNOSTIC OPERATION ..................................................................................... 13

6. TROUBLESHOOTING.............................................................................................. 18

7. PCB LAyOUT........................................................................................................... 19

8. CIRCUIT DIAGRAMS ............................................................................................... 20

9. PARTS LIST ............................................................................................................. 24

— 1 —

1. SPECIFICATIONS

1-1.Electricalspecications

• Power consumption

In operation Max.

120 V 220 V 230 V 240 V

0.1 A 0.05 A 0.05 A 0.05 A

• Memory protection Back-up battery

Back-up period

Battery life

Mangan Battery (UM-3×3 pcs)

1 year (25 °C)

Replace the battery every 1 years.

• Clock & Calendar Accuracy

Auto calendar

Within ± 30 sec. per month (25 °C)

Effective until 2099 A.D.

1-2.Environmentalspecications

• Operating temperature 0 °C ~ 40 °C

• Operating humidity 10 % ~ 95 %

• Storage temperature -25 °C ~ 65 °C

• Storage humidity 10 % ~ 95 %

• Vibration strength 1.5 G (The machine must be in the carton box)

1-3.Maincomponents

• CPU Name

Number of control bit

UPD780058BGC179-8BTA

8 bit

• Thermal printer Name

Print method

MCBF

M-42V-009-040

Print wheel selecting type serial printer

700,000 lines

• Roll paper Type

Size

Roll diam

Fine-quality paper

28 +0/-1 mm

80 mm or less

1-4. Drawer List

Type DrawerName Specication

S DL-1334 D-21L2C-D53RM-4

S DL-1843 D-21LC2-D54RM-4

MDL-2812 D-25L2C-B84RM-4

— 2 —

1-5.OptionList

DeviceName Model Note

• Roll paper P-5860 58 × 12 × 60D

• Ink roll

• Water cover WT-92

CAUTION

Dangerofexplosionifbatteryisincorrectlyreplaced.

Replaceonlywiththesameorequivalenttyperecommended

bythemanufacturer.

Disposeofusedbatteriesaccordingtothemanufacture’sinstructions.

VORSICHT !

ExplosionsgefahrbeiunsachgemäßemAustauschderBatterie.

ErsatznurdurchdenselbenodereinenvomHerstellerempfohlenen

gleichwertigenTyp.

EntsorgunggebrauchterBatteriennachAngabendesHerstellers.

ADVARSEL !

Lithiumbatteri-Eksplosionsfarevedfejlagtighándtering.

Udskiftningmákunskemedbatteriafsammefabrikatogtype.

LevérdetbrugtebatteritilbagetilleverandØren.

— 3 —

2. MACHINE INTIALIZATION

2-1.Toinitializethecashregister

Note:YoumustinitializetheCashregisterandinstallthememoryprotectionbatteries

beforeyoucanprogramthecashregister.

1. Set the Mode Switch to OFF.

2. Load the memory protection batteries.

3. Plug the power cord of the cash register into an AC outlet.

4. Set the Mode Switch to REG.

2-2.Toloadthememoryprotectionbatteries

1. Remove the printer cover.

2. Open the battery compartment cover.

3. Load 3 new SUM-3 ("AA") type batteries into the compartment.

Be sure that the plus (+) and minus (–) ends of each battery are facing in the directions indicated by the

illustrations inside the battery compartment.

4. Replace the memory protection battery compartment cover back into place.

5. Replace the printer paper and printer cover.

REPLACEMEMORYPROTECTIONBATTERIESATLEASTONCEEVERYYEAR.

— 4 —

3. DISASSEMBLY

Make sure to use correct Screws when assembling since

there are several kinds of them. It is a good idea to sort

them as shown in the right when disassembling.

A. Removing the UPPER CASE block

B. MODE-KEY-SW-ASSY

D. MAIN PCB, PRINTER UNIT and MOTOR

E. KEY-BOARD-ASSY

F. Removing the DRAWER CASE

C. 7 SEGMENT LCD

Disassembly Procedure

Disassemble the main units in the sequence shown below.

— 5 —

A. Removing the UPPER CASE block

A-1. Remove the printer cover.

A-2. Remove two screws.

A-3. Remove the UPPER CASE.

Screw (S2)Screw (S1)

A-4. Remove the drawer cable.

UPPER CASE

Drawer

Drawer cable

Tape

ASSEMBLING TIPS:

When assembling the UPPER CASE, be sure to x the drawer cable with tape.

Drawer cable

— 6 —

C. Removing the 7 segment LCD

C-1. Remove two hooks and then remove the DP-BOARD.

C-2. Remove two hooks and then remove the 7 SEGMENT LCD.

Hooks

DP-BOARD

Hooks

B. Removing the MODE-KEY-SW-ASSY

B-1. Remove the FFC.

B-2. Remove one screw and then remove the MODE-KEY-SW-ASSY.

FFC

Screw (S3)

MODE-KEY-SW-ASSY

— 7 —

C-3. Unsolder two FCCs on the 7 segment LCD.

ASSEMBLING TIPS:

Start connecting from the NO.1 pin whose color is blue.

D. Removing the MAIN PCB, PRINTR UNIT and MOTOR

D-1. Remove one screw and then remove the PR-MOUNT.

D-2. Remove the PRINTER UNIT.

ASSEMBLING TIPS:

When assembling the PR-MOUNT, engage it between the UPPER-CASE and the PRINTER.

FFCs Soldered parts

Screw (S3) PRINTER UNIT

PR-MOUNT

— 8 —

D-3. Remove one FFC and remove one connector.

D-4. Remove one screw and then remove PCB-HOLDER-L.

FFC

Connector

Screws (S4)

D-5. Remove four screws.

D-6. Remove the MAIN PCB.

PCB-HOLDER-L

Screw (S2)

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