Sharp ER-A450 (serv.man2) Service Manual ▷ View online
CHAPTER 2. OPTIONS
1. System configuration
Fig. 1-1
(NOTE1)
This symbol shows
NEW MODEL
This symbol shows
NEW MODEL
COMPUTER
LOCAL PURCHASE
OPTION RAM
ER-03RA
ER-A440
MASTER MACHINE
CABLE
3.5 inch FDD
ER-01/02FD
COMMERCIAL
PRODUCT
ER-05DW
REMOTE DRAWER
2 – 1
2. Options
No.
NAME
MODEL
DESCRIPTION
1
EXPANSION RAM CHIP
ER-03RA
512K bytes RAM CHIP
2
REMOTE DRAWER
ER-05DW
3
PRESETS LOADER
ER-01FD/02FD
FD unit
4
KEY TOP KIT
ER-11KT7
1
×
1 KYE TOP UNIT
ER-12KT7
1
×
2 KYE TOP UNIT
ER-22KT7
2
×
2 KYE TOP UNIT
ER-11DK7G
1
×
1 DUMMY KYE KIT
ER-51DK7G
5
×
1 DUMMY KYE KIT
5
COIN CASE
ER-58CC
5B/8C
6
COIN CASE COVER
ER-03CV
5B/8C
3. Service options
No.
NAME
PARTS CODE
PRICE
RANK
DESCRIPTION
1
SERVICE KEY
AF
2
MODE KEY GRIP COVER
AL
OP key only
3
DRIP-PROOF KEYBOARD COVER
BE
Include the switch cover
4
JOURNAL NEAR END SENSOR UNIT
BB
Q’ty: 1
Screw (Sensor unit – Top cabinet)
AA
Q’ty: 1
Screw (Sensor unit – Earth wire – Top cabinet)
AA
Q’ty: 1
Screw (Earth wire – Top cabinet)
AA
Q’ty: 1
Earth wire
AF
Q’ty: 1
Connector (2pin)
AA
Q’ty: 1
5
TEXT PRESET KEYBOARD COVER
BH
6
ONE HOLE CASHIER KEY KIT
—
4. Service tools
No.
NAME
PARTS CODE
PRICE
RANK
DESCRIPTION
1
RS-232 LOOP BACK CONNECTOR
BU
2
KEY TOP REMOVER
AX
3
2
×
2 KEY TOP INSTALLING JIG
BP
5. Supplies
No.
NAME
PARTS CODE
PRICE
RANK
DESCRIPTION
1
ROLL PAPER
AR
5 roll/pack
2
INK LIBBON
AZ
2 – 2
CHAPTER 3. SRV. RESET AND
MASTER RESET
MASTER RESET
1. SRV. reset (Program Loop Reset)
Used to return the machine back to its operational state after a lock-
up has occurred.
up has occurred.
Procedure
•
Method 1
1) Unplug the AC cord from the wall outlet.
2) Set the mode switch to (SRV
′
) position.
3) Plug in the AC cord to the wall outlet.
4) Turn to (SRV) position from (SRV
′
) position.
•
Method 2
1) Set the mode switch to PGM2 position.
2) Turn off the AC switch.
3) While holding down JOURNAL FEED key and RECEIPT FEED
key, Turn on the AC switch.
Note: When disassembling and reassembling always power up us-
ing method 1 only. Method 2 will not reset the CKDC8.
Note: SRV programming job#926-B must be set to "4" to allow PGM
program loop reset.
2. Master reset (All memory clear)
There are two possible methods to perform a master reset.
•
MRS-1
Used to clear all memory contents and return machine back to its
initial settings and return keyboard back to default keyboard layout.
initial settings and return keyboard back to default keyboard layout.
Procedure
1) Unplug the AC cord from the wall outlet.
2) Set the MODE switch to the (SRV
′
) position.
3) Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key, turn to (SRV) position
from (SRV
′
) position.
•
MRS-2
Used to clear all memory and keyboard contents.
This reset returns all programming back to defaults. The keyboard
must be entered by hand.
This reset is used if an application needs different keyboard layout
other than that supplied by a normal MRS-1.
This reset returns all programming back to defaults. The keyboard
must be entered by hand.
This reset is used if an application needs different keyboard layout
other than that supplied by a normal MRS-1.
Procedure
1) Unplug the AC cord from the wall outlet.
2) Set the MODE switch to the (SRV
′
) position.
3) Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key and RECEIPT FEED
key, turn to (SRV) position from (SRV
′
) position.
5) Key position assignment:
After the execution of MRS-2, only the RECEIPT FEED and
JOURNAL FEED keys can remain effective on key assignment.
Any key can be assigned on any key position on the main key-
board.
JOURNAL FEED keys can remain effective on key assignment.
Any key can be assigned on any key position on the main key-
board.
[key setup procedure]
NOTES:
1: When the 0 key is pressed, the key of the key number on display
is disabled.
2: Push the key on the position to be assigned. With this, the key of
the key number on display is assigned to that key position.
Key number
Key name
Key number
Key name
1
Numeric key "0"
10
Numeric key "9"
2
Numeric key "1"
11
Numeric key "00"
3
Numeric key "2"
12
Numeric key "000"
4
Numeric key "3"
13
Decimal point key
5
Numeric key "4"
14
CL key
6
Numeric key "5"
15
⊗
key
7
Numeric key "6"
16
ST key
8
Numeric key "7"
17
TL key
9
Numeric key "8"
MRS-2
executed
executed
Key position set
Free key
Disable
Free key setup
complete.
complete.
*2
*1
0
0
3 – 1
CHAPTER 4. HARDWARE DESCRIPTION
1. Hard ware block diagram
Fig. 1-1
CPU
GATE ARRAY
MPCA7
DRAWER
STANDARD
RAM1
32KBx2
OPTIONAL
RAM
512KB
ER-03RA:512KB
STANDARD
ROM
256KB
SWITCH
KEY BOARD
RS232
I/F
1 ports
CKDC8
1 LINE
7SEG 7DIG
7SEG 7DIG
1 LINE
7SEG 10DIG
7SEG 10DIG
CUSTOMER DISPLAY
OPERATER DISPLAY
PRINTER
DP-730
RAM2
4 – 1
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