SERVICE MANUAL
ELECTRONIC CASH REGISTER
(without price)
CE-2400 (EX-259B)
OCT. 1996
Printer Model : CR-710
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CONTENTS
Page
1. FEATURES ................................................................................................... 1
2. SPECIFICATIONS ........................................................................................ 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
4-4-1. Display, RAM, drawer and printer check ........................................................ 5
4-4-2. RAM read only check ....................................................................................... 6
4-4-3. Voltage check of memory back-up battery ..................................................... 6
4-4-4. All characters print check ................................................................................ 7
4-4-5. Display the time ................................................................................................ 7
4-4-6. How to release the diagnostic mode ............................................................... 7
5. OPTION CIRCUIT ......................................................................................... 8
6. CIRCUIT EXPLANATION ............................................................................. 9
6-1. Power supply circuit ................................................................................................... 9
6-2. CPU (
µPD75517GF-400-3B9) .................................................................................... 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. Initialize IC (Reset IC) ................................................................................................ 14
6-7. Printer error condition of CPU ................................................................................. 14
6-8. Error code .................................................................................................................. 14
7. TO OPEN THE UPEER CASE ................................................................... 15
8. PCB LAYOUT............................................................................................. 16
9. CIRCUIT DIAGRAM ................................................................................... 17
10. PARTS LIST ............................................................................................... 28
-- 1 --
· Operating temperature
0
°C ~ 40 °C
· Operating humidity
10 % ~ 90 %
· Storage temperature
-25
°C ~ 65 °C
· Storage humidity
10 % ~ 95 %
· Vibration strength
1.5 G (The machine must be in the carton box)
· Power consumption
Specification
0.35 A
In operation
Max.
0.22 A
Min.
0.09 A
Power OFF
0.08 A
· Memory protection
Back-up battery
Mangan battery (UM-3
× 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.
Item
CE-2350
CE-2400
Department number
38
40
PLU number
400
500
Clerk number
10
20
Calculator function
Nil
Available
· CPU
Name
µPD75517GF-400-3B9
Number of control bit
4
Internal RAM
512
× 4 bits
Internal ROM
12160
× 8 bits
Main system clock
4.19 MHz
Sub system clock
32.768 KHz
· RAM
Name
LC36256AL70/85/10
Capacity
32 KB
1. FEATURES
The difference between CE-2350 and CE-2400 is as follows.
2. SPECIFICATIONS
2-1. Electrical specifications
2-2. Environmental specifications
2-3. Principal components
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-- 2 --
· 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
W 44.5
± 0.5 mm
Paper diameter
83 mm or less
Paper thickness
0.06 ~ 0.09 mm
Ink roll
IR-93
Ribbon life
400,000 lines
· Display
Name
LED (HDSP-5261)
Number of digit
8 digits (LED
× 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.
2-4. 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.
00 · 0 0 · 00
00 : 0 0
No 00 0 1
0 000 0000 0
· · 27 49 · ·
Date
Time
Consecutive No.
MAC print
-- 3 --
Notes:
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.
00 · 0 0 · 00
00 : 0 0
No 000 2
·· ··· ···
· · 27 49 · ·
Date
Time
Consecutive No.
Start printing for diagnostic program
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