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SERVICE MANUAL
(without price)
ELECTRONIC CASH REGISTER
200CR/PCR-360/PCR-365 (EX-245)
240CR/PCR-460 (EX-246)
AUGUST 1996
Printer Model : M405R
(WHC)
(OSS)


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CONTENTS
1. Features ................................................................................................................... 1
2. Specifications
2-1. Electrical specifications ................................................................................. 1
2-2. Environmental specifications ........................................................................ 1
2-3. Principal components .................................................................................... 2
2-4. Option .............................................................................................................. 2
3. MAC (Memory All Clear) operation ........................................................................ 3
4. Diagnostic operation
4-1. How to start ..................................................................................................... 4
4-2. Mode switch and PAD status display check ................................................. 4
4-3. Hard key code check ...................................................................................... 5
4-4. Hard check function
4-4-1. Display, RAM, drawer and printer check ............................................ 5
4-4-2. Print test ............................................................................................... 6
4-4-3. Read/write test for EEPROM ............................................................... 6
4-4-4. Read test for EEPROM ........................................................................ 7
4-4-5. RAM read only check ........................................................................... 7
4-4-6. Voltage check of memory back-up battery ........................................ 7
4-4-7. All characters print check ................................................................... 8
4-4-8. Display the time ................................................................................... 8
4-4-9. Country code write .............................................................................. 9
4-4-10.How to release the diagnostic mode ................................................. 9
5. Circuit explanation
5-1. Power supply circuit ..................................................................................... 10
5-2. CPU (
µPD78054GC)....................................................................................... 12
5-3. Mode key switch status read ....................................................................... 13
5-4. RAM address ................................................................................................. 14
5-5. Initialize IC (Reset IC) ................................................................................... 14
5-6. Data communication between CPU and EEPROM ..................................... 15
5-7. Notice of display LEDs ................................................................................. 17
5-8. Display control circuit .................................................................................. 17
5-9. Printer drive circuit ....................................................................................... 18
5-10.IC data ............................................................................................................ 18
5-11. Error code ...................................................................................................... 20
6. How to open upper case ....................................................................................... 21
7. Remove the drawer ............................................................................................... 22
8. Parts layout ............................................................................................................ 23
9. Circuit diagrams .................................................................................................... 25
10. Parts list (200CR/PCR-360/PCR-365) ................................................................... 41
11. Parts list (240CR/PCR-460) ................................................................................... 52


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-- 1 --
· Operating temperature
0 ~ 40
°C
· Operating humidity
10 ~ 90 %
· Storage temperature
-25 ~ 65
°C
· Storage humidity
10 ~ 95 %
· Vibration strength
1.5 G (The machine must be in the carton box)
1. Features
The difference between 200CR and 240CR is as follows:
Function
200CR/PCR-360/PCR-365
240CR/PCR-460
POP display
Nil
Available
Stamp function
Nil
Available
Customer display
Available
Available
Power protection function
Nil
Nil
LED transaction
Nil
Available
EEPROM
Nil
Available
(except PCR-460)
Calculator function
Available
Available
2. Specifications (200CR/PCR-360/PCR-365/240CR/PCR-460)
2-1. Electrical specifications
(120 V)
(220 V)
(230 V)
(240 V)
· Power consumption
In operation
Max.
0.25A
0.13A
0.13A
0.13A
Min.
0.10A
0.05A
0.05A
0.05A
MODE SW off
0.10A
0.04A
0.04A
0.04A
· 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
±30 sec. per month (25°C)
Auto calendar
Effective until 2099 A.D.
2-2. Environmental specifications


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-- 2 --
· CPU
Name
µPD78054GC-213-3B9 (200CR etc.)
µPD78054GC-214-3B9 (240CR etc.)
Number of control bit
8
Internal RAM
1024 B
Internal ROM
32 KB
Main system clock
5.00 MHz
Sub system clock
32.768 KHz
· RAM
Name
LC3564S70/85/10
Capacity
8 KB
Name
CXK58257AP-70/10L
Capacity
32 KB (PCR-460 only)
· Printer
Name
M-405R
Print method
Print wheel selective system
Print digit
12 digits ( Numeric : 10 digits
Symbol : 2 digits)
Printing speed
Approx. 3 lines/sec.
MCBF
1,000,000 lines
Paper width
W 57.5
± 0.5 mm
Paper diameter
80 mm or less
Paper thickness
0.06 ~ 0.085 mm
Ink ribbon
RAP-01
Ribbon life
50,000 lines
· Display
Name
LED (HDSP-5621-G or HDSP-5621-H)
Number of digit
8 digits (LED x 4 pcs.)
· Power transformer
Name
TE-240-E4D (US, Canada)
TE-240-E3U (Except US, Canada)
· Keyboard
Input system
2 keys roll over / 6 keys buffer memory
· Drawer
200CR
DL-1320 for U.S.
PCR-360/PCR-365
DL-2762 for Canada, other countries.
240CR
DL-1320 for US
PCR-460
DL-1832 for Europe, other countries.
DL-2762 for Europe, UK, Germany other
countries.
2-3. Principal components
2-4. Option
· Wet cover
Name
WT-73


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-- 3 --
3. Mac (Memory All Clear) operation
Procedure A
(1) Plug the power cord into an outlet.
(2) Pressing the FEED button and turn the mode switch to PRG position.
(3) Release the FEED button. After few seconds, MAC operation will be executed.
(4) The following receipt will be issued, if completed.
Procedure B
(1) Remove the power cord from AC outlet.
(2) Remove the memory protection batterey.
(3) Leave the machine for few minutes.
(4) Plug the power cord to AC outlet and then MAC operation is executed.
(5) Set the memory protection battery.
00 -- 0 0 -- 00
Date
00 -- 0 0
Time
0001
Consecutive No.
· 2 7 4 8 · 1
ROM version No.
0000 0 0 0000
MAC print