Sharp FO-145 Service Manual

F
SHARP SERVICE MANUAL
CODE: OOZF0145NSME
FACSIMILE
MODEL
FO-I 45
/-
CONTENTS
\
CHAPTER 1. GENERAL DESCRIPTION
[1]Specifications . . . . . . . . . . . . . . . . . . . . .1-1
[2] Operation Panel . . . . . . . . . . . . . . . . . . . . 1-2
[3] Transmittable Documents . ...........1-3
[4] Installation . . . . . . . . . . . . . . . . . . . . .. ..1-4
[5] Quick reference guide . ..............1-6
CHAPTER 2. ADJUSTMENTS
[1]Adjustments . . . . . . . . . . . . . . . . . . . . .. .2-1
[2] Diagnostics and service soft switch .. ...2-2
[3] Troubleshooting . . . . . . . . . . . . . . .....2-11
[4] Error codetabie . . . . . . . . . . . . . . .....2-12
CHAPTER 3. MECHANISM BLOCKS
[1] General description . ................3-1
[2] Disassembly and assembly
procedures . . . . . . . . . . . . . . . . . . . .3-4
CHAPTER 4. DIAGRAMS
[1] Block diagram . . . . . . . . . . . . . . . . . . . . .4-1
[2] Wiring diagram . ...................4-2
[3] Point-to-point diagram . ..............4-3
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Circuit description . .................5-1
[2] Circuit description of control PWB .. ....5-2
[3] Circuit description of TEL/LIU PWB .. .5-11
[4] Circuit description of
power Supply PWB . . . . . . . .....5-15
[5] Circuit description of CCD PWB . .....5-17
CHAPTER 6. CIRCUIT SCHEMATICS AND
PARTS LAYOUT
[1]
[2]
[3]
[4]
[5]
[6]
Control PW13 circuit , , , ., , , ., , , , . . . ..6-1
TEL/LIU PWB circuit . . . . . . ..........6-7
Power supply PWB circuit . . . . . . .....6-10
CCD PWB circuit . . . . . . . . . . . . . .....6-12
operation panel PWB circuit . . . . .....6-13
LCD PWB circuit . . . . . . . . . . . . . .....6-14
CHAPTER 7. OPERATION FLOWCHART
[1] Protocol . . . . . . . . . . . . . . . . . . . . .. ....7-1
[2] Power on sequence . ................7-2
CHAPTER 8. OTHERS
[1] Service tools . . . . . . . . . . . . . . . . . . . .. .8-1
[2] IC signal name . . . . . . . . . . . . . . . . . . . . .8-4
PARTS GUIDE
Partsmarkedwith " ~"
is
important
for maintainingthe safety of the set.
Be
sure to reDlacethese Dartswith .sDecified
ones
for maintaining the safety and performance of the set. -
This document has been published to be used
SHARP CORPORATION
for after-sales service only.
The contents are subject to change without notice.