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FO-3MK
No. 00ZFO3MKCUSME
CONTENTS

MODEL FO-3MK

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.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
SERVICE MANUAL

FACSIMILE

OPTION MEMORY

UPGRADE PWB

[1] General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[2] Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[3] Diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[4] Circuit schematics and parts layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
[5] Parts guide
This machine is an option memory unit applica-
ble to the machines FO-5700 (100V series).