FO-77U
UX-66U
Illustration: FO-77
No. 00ZFO77U//SME
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 ............................... 1-9
[6] Quick setup guide (UX-66U only) ............ 1-10
CHAPTER 2. ADJUSTMENTS
[1] Adjustments .............................................. 2-1
[2] Diagnostics and service soft switch .......... 2-2
[3] Troubleshooting ...................................... 2-18
[4] Error code table ....................................... 2-19
CHAPTER 3. MECHANISM BLOCKS
[1] General description ................................... 3-1
[2] Disassembly and assembly
procedures ....................................... 3-3
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] 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
CONTENTS
FACSIMILE
FO-77
MODEL
UX-66
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
Summary of Contents for FO-77
Page 65: ...FO 77U UX 66U Control PWB parts layout Top side 6 7 ...
Page 66: ...FO 77U UX 66U Control PWB parts layout Bottom side 6 8 ...
Page 69: ...FO 77U UX 66U TEL LIU PWB parts layout Top side 6 11 ...
Page 70: ...FO 77U UX 66U 6 12 TEL LIU PWB parts layout Bottom side ...
Page 72: ...FO 77U UX 66U Power supply PWB parts layout 6 14 RDENT2142XHZZ F2 ...
Page 97: ...FO 77U UX 66U 14 M E M O ...