SHARP AR-501
Circuit Diagrams

Digital Copier

MODEL

AR-501 AR-505

CONTENTS

[ 1 ] Wiring chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 [ 2 ] Circuit diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1. ICU PWB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. PCU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3. OP control PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 4. Operation L/R PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 5. SCSI relay PWB unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 6. AC/DC power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 7. AC PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 [ 3 ] RSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Parts marked with � � are 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.