SHARP ETE312 Technical Report

Date: Mar. 15, 1996

FONT WRITER: FW-550 (CE Version)

No. : ETE-312

[Parts changes]

CHANGE OF T H E MAS K RO MS

1. Model name: FW-550 (CE Version only)

2. General: The 2 mask ROMs (1M) for the above model with the IC 6 & 7 on the main PWB have been

changed for only one mask ROM of 2M for better productivity.

3. Description: (Before changing) (Changed)

Mask ROM VHILH5370PE-1

VHILH538BYJ-1 VHILH5388NG-1

4. Application: From the middle of the Feb. production in 1996

5. Parts change:

Ref

Model

No.

name

1 FW-550 U.K.

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.

3. Current type cannot be used in place of new type. New type can be used in place of current type.

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.

Version P/G No.

6 - 99

6 - 98

Current parts New parts

Parts code Parts code

VHILH538BYJ-1

VHILH5370PE-1 BB

VHILH5388NG-1

Inter-

Price rank

5. Interchangeable if replaced with same types of related parts in use.

6. Others.

Parts name

Program & data Mask ROM (IC7)

Effective

change-

time

ability

Feb. ’96 5 —

Note

SHARP CORPORATION

Printer and Scanner Division

Orange