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Sharp PC-4741 Service Manual

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P C-4741
SHARP
SERVICE MANUAL
CODE: OOZPC4741SM-E
PERSONAL COMPUTER
PC-4741
PC-4721
MODEL
PC-4702
; - - - - - - - - - - - - CONTENTS - - - - - - - - - - - - - . .
CHAPTER 1. OVERVIEW ..................................... 1
CHAPTER 2. GENERAL INFORMATION ......................... 3
CHAPTER 3. MAIN BOARD OPERATION ......................... 7
CHAPTER 4. LCD UNIT ...................................... 23
CHAPTER 5. POWER SUPPLY CIRCUIT ........................ 25
CHAPTER 6. HARD DISK .................................... 27
CHAPTER 7. FLOPPY DISK DRIVE ............................ 31
CHAPTER 8. SERVICE-MAN DIAGNOSTIC . . . . . . . . . . . . . . . . . . . . .. 33
CHAPTER 9. APPENDICES ................................... 47
CHAPTER 10. CIRCUIT DIAGRAM
&
PARTS POSITION ............ 66
SHARP CORPORATION
This document has been published 10
be
used
for after sales service only.
The contents are subject to change without notice.

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Pc-4721Pc-4702