Casio CE-2350 Manuale utente
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
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
2
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.
3
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
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
5
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
6
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.
7
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.
8
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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