SHARP CF038 Technical Report

Date: Dec. 10, 1993

COLOR FAX : FO-9000

No. : CF-038

INTEGRATED CIRCUIT CHANGE IN DATA PROCESSING AND CONTROL CIRCUIT BOARDS (CHANGE OF MAKER).

1.Model name: FO-9000

2.General: The integrated circuit used in the data processing and control circuit boards of the

models listed above (VHISN74LS76NS) have been changed due to the discontinuing of production by the maker. The new ic is made by a different company but has the same specifications.

3.Description: Please refer to the table below.

Unit. Location No. Old. New. Data processing printed circuit board. IC3 VHISN74LS76NS VHIHD74LS76AF Control printed circuit board. IC27 VHISN74LS76NS VHIHD74LS76AF Control printed circuit board. IC57 VHISN74LS76NS VHIHD74LS76AF

4.Action: From 1993 December production.

Ref.

Model

No.

1 FO-9000

1. Interchangeable. 4. Not interchangeable.

2. C urr e nt t y pe c a n be u s ed i n p lac e of n ew type.

New ty pe cann ot be us ed i n place of curr ent type .

3. C urre nt ty pe cann ot be used i n place of new ty pe.

New t y pe c a n be u sed in pla c e of c u rr en t ty p e.

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.

name

Version P/G No.

USA Canada Europe

22 -32

23 -121

23 -149

Current parts New parts

Parts code Parts code

VHISN74LS76NS VHIHD74LS76AF AE

Effec-

Price

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

6. Others.

Parts name

rank

IC (HD74LS76AF)

Inter-

tive

change-

time

ability

’93/12 1

Note

IC3, 27, 57

SHARP CORPORATION Printer and Scanner Division

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