Sharp FO-90A, Service Manual

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FO-90AAR
No. 00ZFO90AARSME
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications ............................................ 1-1
[2] Operation panel ......................................... 1-2
[3] Refer to the service manual of FO-70AAR.
[4] Refer to the service manual of FO-70AAR.
[5] Quick reference guide ............................... 1-9
CHAPTER 2. ADJUSTMENTS
[1] Adjustments ............................................... 2-1
[2] Diagnostics and service soft switch .......... 2-2
[3] Troubleshooting ...................................... 2-19
[4] Error code table ....................................... 2-20
CHAPTER 3. MECHANISM BLOCKS
[1] Refer to the service manual of FO-70AAR.
[2] Refer to the service manual of FO-70AAR.
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 .......... 5-9
[4] Circuit description of
power supply PWB ............................ 5-12
[5] Circuit description of CIS unit ................... 5-12
CHAPTER 6. CIRCUIT SCHEMATICS AND
PARTS LAYOUT
[1] Control PWB circuit ................................... 6-1
[2] TEL/LIU PWB circuit ................................. 6-9
[3] Power supply PWB circuit ...................... 6-13
[4] Operation panel PWB circuit ................... 6-15
CHAPTER 7. OPERATION FLOWCHART
[1] Refer to the service manual of FO-70AAR.
[2] Refer to the service manual of FO-70AAR.
CHAPTER 8. OTHERS
[1] Refer to the service manual of FO-70AAR.
[2] Refer to the service manual of FO-70AAR.
PARTS GUIDE
CONTENTS
FACSIMILE
MODEL
FO-90A
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.
SHARP CORPORATION
SERVICE MANUAL
Chapters 1, 3, 7 and 8 of this manual are omitted because they are partly common to the FO-70AAR/
50AAR. Please refer to previous service manual (00ZFO70AARSME) for these chapters.