Casio CE-2350 Manuel utilisateur

SERVICE MANUAL

ELECTRONIC CASH REGISTER

CE-2350(EX-259)

JAN. 1995

CONTENTS

1. FEATURES.............................................................................................................. 1

2. SPECIFICATION .................................................................................................... 1

3. MAC (Memory All Clear) OPERATION .............................................................. 2

4. DIAGNOSTIC OPERATION ................................................................................ 3

4-1. How to start .................................................................................................. 3

4-2. Mode switch and PAD status display check .................................................... 4

4-3. Hard key code check .................................................................................... 4

4-4. Hard check function ..................................................................................... 5

5. OPTION CIRCUT ................................................................................................... 8

6. CIRCUIT EXPLANATION ..................................................................................... 9

6-1. Power supply circuit ...................................................................................... 9

6-2. CPU ............................................................................................................. 11

6-3. Motor error detection circuit .......................................................................... 12

6-4. Mode key switch status read ......................................................................... 13

6-5. RAM address / head drive signal switching circuit ............................................ 13

6-6. Initilize IC (Reset IC) ...................................................................................... 14

6-7. Printer error condition of CPU ........................................................................ 14

7.TO OPEN THE UPPER CASE ............................................................................ 15

8. PCB LAYOUT ........................................................................................................ 16

9. CIRCUIT DIAGRAM .............................................................................................. 17

10. PARTS LIST ........................................................................................................ 28

1. FEATURES

The differece between CE-2300 and CE-2350 is as follows;

2. SPECIFICATION

2-1. Electrical specifications

Power consumption :

Specification : 0.35A

In operation Max. 0.22A

Stanby Min. 0.09A

Power OFF 0.08A

Memory protection

Back-up battery : Mangan battery (UM-3 x 3 pcs.)

Back-up period : 1 year (25°C)

Battery life : Replace the battery every year.

Clock & Calendar

Accuracy : Within 120 sec. per month (25°C)

Auto calendar : Effective until 2099 A.D.

2-2. Environmental specifications

Operating temperature : 0°C ~ 40°C

Operating humidity : 10 % ~ 90%

Storage temperature : -25°C ~ 65°C

Storage humidity : 10% ~ 95%

Vibration strength : 1.5G (The machine must be inthe carton box.)

2-3. Principal components

CPU : Name : uPD75516GF-351-3B9

Number of control bit : 4

Internal RAM : 512x 4 bits

Internal ROM : 12160 x 8 bits

Main system clock : 4.19 MHz

Sub system clock : 32.768 Khz

Item CE-2300 CE-2350

Department number 8 19 x 2

(for using DEPT SHFT key)

PLU number 200 400

Clerk number 4 10

Post-finalization receipt printing 24 lines 52 lines

Total/Change indicators Mounted Nil

RAM capacity 8 KBytes 32 KBytes

RAM : Name : LC36256PLL

Capacity : 32 KB

Printer : Name : CR-710-001

Print method : Rubber-type inner-hummer printing system

Receipt number : 2 receipt (Receipt & Journal)

Print digit : 12 digits

(Numeric : 10 digits, Symbol : 2 digits)

Printing speed : Approx. 2.4 lines/sec.

MCBF : 1,500,000 lines

Paper width : W44.5 ± 0.5 mm

Paper diameter : 83 mm or less

Paper thickness : 0.06 ~ 0.09 mm

Ink roll : IR-93

Ink roll life : 400,000 lines

Display : Name : LED (HDSP-5261)

Number of digit : 8 digits (LED x 4 pcs.)

Power transformer : Name : TE-233-E4D

Keyboard : Input system : 2 keys roll over

Drawer : Name : DL-2416 (D-15TC-A55SP-1*) M type drawer

for U.S.A.

DL-2351 (D-15TC-A54SP-1*) M type drawer

for Canada

2-3.Option

Wet cover Name : WT-63

Power protection battery : B-6

Drive period : Approx. 3 hours with the following conditions

Drive conditions : Processing time : 60 sec./ customer

Quantity of sales : 8 items / customer

Registered amounts : 3 digits / item

Number of customer : 25 persons / hour

Charging time : 8 hours to full charge

3. MAC (Memory All Clear ) OPERATION

Procedure

(1) Plug the power cord into an outlet.

(2) Pressing the JOURNAL FEED button and turn the mode switch to Z position.

(3) Release the JOURNAL FEED button. After few seconds, MAC operation will be

executed.

(4) The following receipt will be issued, if completed.

Note :

1. After initialize operation, the clock counts from 00 : 00 A.M. and also the calendar is started

from 00 - 00 - 00.

2. If the memory of RAM is broken, the machine will be initialized after power on.

4. DIAGNOSTIC OPERATION

4-1. How To Start

1) Plug the power cord into an outlet.

2) Execute the MAC operation.

3) Turn the mode switch to "Z" position.

4) Input 99999999 and press the sub total button.

5) Start the diagnostic program and issued following receipt.

Note : If you have done the registration after MAC operation, the Diagnostic program

can not start.

Date

Time

Consecutive No.

MAC print

Date

Time

Consecutive No.

Start printing for

diagnostic program

4-2. Mode switch and PAD status display check

When the Clear key is pressed or changing the position of mode switch, the machine displays the

mode switch position.

Drawer status : 1 : Drawer open

0 : Drawer close

PAD status : PAD 1 PAD 2

0 0 Short Short Canada

0 1 Open Short

1 0 Short Open

1 1 Open Open U.S.

Receipt switch position :

8 Receipt OFF

0 Receipt ON

Mode switch position : 1 : Z

2 : X

4 : REG

8 : RF

4-3. Hard key code check

When all keys except numerical keys, Clear key, RECEIPT FEED key, JOURNAL FEED key are

pressed directly, the machine displays the hard key code as shown below.

20100 0

2 3

Drawer status

PAD status

Receipt SW position

Mode SW position

Hard key code

4-4. Hard check function

Enter 1 digit from numeral key and press the sub total button (ST), the following Hard check

function will be executed.

(1) 1+ST : Display, RAM, Drawer, Printer check

(2) 5+ST : RAM read only check

(3) 7+ST : Voltage check of memory back-up battery

(4) 8+ST : Print all characters

(5) 9+ST : Display the time

4-4-1. Display, RAM, drawer and printer check

Operation : 1 + ST

1) All segments turn on.

8 8 8 8 8. 8. 8. 8.

2) Date and time set

Set the following data in the machine automatically.

Date : 1st January, 1992

Time : 12:34:00

3) RAM write and read check

The machine writes data into RAM and read out the data to compare with written data.

When this check is finished correctly, the machine goes to check No. 4).

However, if an error is occurred, the machine sounds an error tone, prints the error receipt,

and stops Hard check program.

Error receipt sample " -- -- "

4) Drawer open check

Open the drawer.

20 26 32 38 43

Receipt

FEED Journal

FEED C13 14 19 25 31 37 42

47 51 7 8 9 18 24 30 36 41

46 50 4 5 6 17 23 29 35 40

45 49 1 2 3 16 22 28 34 39

44 48 0 10 11 15 21 27 33

5) Printing check

Print the following character.

Z 0 0 0 0 0 0 0 0 0 CA CD

6) Receipt issue

The following receipt is issued.

7) Test display

765432. 1 0

4-4-2. RAM read only check

Operation :5 + ST

Note : Be sure to execute the RAM write and read check (1 + ST) before this check.

The machine reads out the data to compare with written data until an error is occurred and

brinks " -- " on the display during this check.

To stop this check, turn the mode switch to OFF position.

If an error is occurred, the machine sounds an error tone, prints " -- -- " on the

receipt, and stops this check.

4-4-3. Voltage check of memory back-up battery

Operation :7 + ST

Display the voltage of back-up battery in real time. (Measurement is Volt (V) level.)

To stop this check, turn the mode switch to OFF position.

4-4-4. All characters print check

Operation : 8 + ST

4-4-5. Display the time

Operation : 9 + ST

The machine display the time.

To stop this check, press the Clear key.

1 2 -- 3 4 01 The time counts up.

If you make following operation, the machine resets the time data and starts again.

Operation : 9 9 + ST

4-4-6. How to release the diagnostic mode

Execute MAC operation.

5. OPTION CIRCUIT

Power protection battery B-6

Power protection battery B-6 os available fro CE-2350.

However, interface circuit is not mounted the machine.

When you use the B-6, mount the following parts.

Parts list for interface

Code No. Parts Name Specification Q’ty

2200 3577 Transistor 2SA1015(GR,O,Y) 1

2301 0011 Diode 1S2471 2

2310 3541 Zener diode RD12EB2 1

2600 7313 Carbon film resistor R-25-10K-J 3

2614 0552 Carbon film resistor R-25-2K-J 1

2801 7098 Electrolytic capacitor 50RE2 1

6219 4553 Connector fixing plate E311094-1 1

6236 6180 P1625-06P connector ass’y E314531B-10(#22-200) 1

Pin assignment for B-6 connector

Pin No. Description

1 F.G. (Green)

2 Not used

3 CS (Black)

4 GND (Blue)

5 Not used

6 VP (Brown)

Interface circuit for B-6

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