SHARP ETE292 Technical Report

Date: Feb. 4, 1994

ELECTRONIC TYPEWRITER: QL-W20

No. : ETE-292

CHANGE OF THE MASK RO M

1. Model name: QL-W20

2. General: A SOS ROM was temporarily added to the MASK ROM against FD error. This is to imform

you of the adoption of the new MASK ROM in place of the temporary SOS ROM.

3. Description: Befo re ch angi ng Chang ed

MASK ROM VHILH534G6K-1 → VHILH534GNZ-1 SOS ROM VHI27C02B75U1 → Disused ROM socket QSOCZ2051SC32 → Disused

4. Application: From the Nov. production in 1993.

5. Parts change:

Ref

Model

No.

name

QL-W20 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 - 76 VHILH534G6K-1 VHILH534GNZ-1 AW

6 - 73 VHI27C02B75U1 — —

6 -197

Current parts

Parts code Parts code

QSOCZ2051SC32 — —

New parts

Effec-

Inter-

tive

Parts name

Price

rank

MASK ROM

SOS ROM

ROM socket

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

6. Others.

time

Nov. ’93

changeability

3—

Note

—

SHARP CORPORATION

Printer and Scanner Division

Orange