Sharp ER-A750 (serv.man24) Service Manual / Technical Bulletin ▷ View online
ROM CHANGE CAUSED BY THE PROGRAM CHANGE
FOR CONNECTING THE DRINK DISPENSER
[Parts changes]
1. Model name:
ER-A750
2. General:
1) The program has been changed for connecting the drink dispenser to ER-A750.
2) The diagnostic messages have been changed as follows.
Diagnosis of the drawer
"Drawer Open Senser"
→
"Drawer Open Sensor"
Diagnosis of RS232C 1/F
"Channel Check Compalete!!"
→
"Channel Check Completed!!"
3. Description:
The version up of the program has been performed from B Version to C Version.
Consequently the following changes have been performed.
1) The service ROM to load the program onto the flash ROM has been changed.
(Before changing)
(Changed)
VHI27801RAB1B
VHI27801RAB1C
(8Mbits EP-ROM)
(8Mbits EP-ROM)
2) The service FD has been changed.
(Before changing)
(Changed)
UKOG-6726RCZB
UKOG-6726RCZC
(2HD FD)
(2HD FD)
Data in ER02FD format up-loaded with the old version cannot be used with the new
version.
4. Action:
((For the field))
No actions are required to be taken in the market.
((For production))
The flash ROM has been produced with the C version program installed from May
1997 production.
1/2
Date :
Model :
Ref :
Colour
Code :
1st December 1997
ERA750
A750-002
White
ELECTRONIC CASH REGISTER
TECHNICAL BULLETIN
Sharp Electronics (UK) Ltd, Technical Support Group
5. Parts change:
2/2
Ref
No.
No.
Model
name
name
Version
P/G No.
Current parts
New parts
Parts name
Effec-
tive
time
tive
time
Inter-
change-
ability
change-
ability
Note
Parts code
Parts code
Price
rank
1
ER-A750
All
—
VHI27801RAB1B
VHI27801RAB1C
BS
Service ROM
May ’97
3
—
2
UKOG-6726RCZB
UKOG-6726RCZC
AP
Service FD
May<Interchange>
1. Interchangeable.
4. Not interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of
related parts in use.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
6. Others.
Parts marked with " ! " is important for maintaining the safety of the set.
Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
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