Sharp ER-A440 Service Manual page 7

CHAPTER 2. EURO FUNCTION-COMPATIBLE ROM TABLE
To perform Euro function, the conventional ROM needs to be changed to the following new ROM.
1. ER-A440
ROM NAME
STANDARD ROM VHI27020RAZ1A
OPTION ROM
2. ER-A450 (The model ER-Euro has a new ROM already installed.)
ROM NAME
STANDARD ROM
OPTION ROM
3. ER-A460/A470
ROM NAME
STANDARD ROM VHI27020RAU1C
OPTION ROM
VHI27010RAP1B
(ER-A46R1)
4. ER-A490
ROM NAME
STANDARD ROM VHI27040RAV1C
OPTION ROM
VHI27010RAS1B
(ER-A49R1)
5. ER-A550S (The ROM ER-A55R1 that was optionally available has been changed to
standard equipment.)
ROM NAME
STANDARD ROM VHI27010RAF1D
OPTION ROM
VHI27010RAI1A
(ER-A55R1)
ROM
NEW
OLD
(For EURO function)
VHI27020RAZ1B
— —
ROM
NEW
OLD
(For EURO function)
— VHI27040RBK1A
— —
ROM
NEW
OLD
(For EURO function)
VHI27020RAU1D
VHI27010RAP1D
ROM
NEW
OLD
(For EURO function)
VHI27040RAV1D
VHI27010RAS1D
ROM
NEW
OLD
(For EURO function)
VHI27010RAF1F
VHI27010RAI1F
PWB UNIT
LOCATION
PWB NAME
No.
IC7 MAIN PWB
— —
PWB UNIT
LOCATION
PWB NAME
No.
IC13 MAIN PWB
— —
PWB UNIT
LOCATION
PWB NAME
No.
IC4 MAIN PWB
MEMORY
IC101
PWB
PWB UNIT
LOCATION
PWB NAME
No.
IC11 MAIN PWB
MEMORY
IC15
PWB
PWB UNIT
LOCATION
PWB NAME
No.
IC5 (ROM1)
MAIN PWB
IC4 (ROM2)
– 6 –
PWB PARTS CODE Effective time
CPWBN7551BH04
—
PWB PARTS CODE Effective time
CPWBX9554BH02
—
PWB PARTS CODE Effective time
CPWBN7457BH02
CPWBN7458BH01
PWB PARTS CODE Effective time
CPWBX7466BH03
CPWBN7469BH01
PWB PARTS CODE Effective time
CPWBN7287BH02
Jul. '98
—
Jul. '98
—
Sep. '98
Sep. '98
Sep. '98
Sep. '98