Sharp FO-155 Service Manual

FO-155A
FO-355A
SHARP
SERVICE
MANUAL
No. OOZFO155A/SME
FACSIMILE
CHAPTER 1. GENERAL DESCRIPTION
[1]
Specifications . . . . . . . . . . . . . . . . . . . . .
FO-155
MODEL
FO-355
The. FO-355A is a modelwith cutter, andthe
FO-I55A is a modelwithoutcutter.This manu-
al explainsthe FO-355A.
CONTENTS
1-1
[2] OperationPanel . ...................1-2
[3] TransmittableDocuments ... .........1-3
[4] Installation. . . . . . . . . . . . . . . . . . . . . . . . 1-4
[5] Quickreferenceguide .. .............1-6
CHAPTER 2. ADJUSTMENTS
[1]
Adjustments. . . . . . . . . . . . . . . . . . . . ...2-1
[2] Diagnosticsand servicesoft switch .....2-2
[3] Troubleshooting. . . ................2-14
[4] Errorcodetable . .. . . .. . . .. .. .. ....2-15
CHAPTER 3. MECHANISM BLOCKS
[1]
Generaldescription . ................3-1
[2] Disassemblyand assembly
procedures . ...................3-4
CHAPTER 4. DIAGRAMS
[1]
Blockdiagram . . . . . . . . . . . . . . . . . . . . .4-1
[2] Wiringdiagram . . . . . . . . . . . . . . . . *, --4-2
[3] Point-to-point d iagram ... ............4-3
CHAPTER 5. CIRCUIT DESCRIPTION
[1]
Circuitdescription . .................5-1
[2] Circuitdescriptionof controlPWB ......5-2
[3] Circuitdescriptionof TEULIU PWB ... .5-8
[4]
Circuitdescriptionof
powerSupplyPWB . . . . . . . .....5-10
[5]
Circuitdescriptionof CCD PWB . .....5-12
CHAPTER 6. CIRCUIT SCHEMATICS
AND
PARTSLAYOUT
[1] Control
PWB
circuit . ................6-1
[2]
TEULIU PWBcircuit . ...............6-6
[3]
PowersupplyPWBcircuit . ...........6-9
[4] CCD PWBcircuit .......... .......6-11
[5]
Operationpanel PWBcircuit . . . . .....6-12
CHAPTER7. OPERATIONFLOWCHART
[1] Protocol . . . . . . . . .
[2] Poweron sequence
CHAPTER8. OTHERS
[1] Servicetools . . . . .
[2]
IC signalname.. . .
PARTSGUIDE
. . . . . . . . . . . . . . . . .7-1
. . . . . . . . . . . . . . . . . 7-2
. . . . . . . . . . . . . . . . . 8-1
. . . . . . . . . . . . . . . . . . 8-4
Parts markedwith "A" is importantfor maintainingthe safety of the set.
Be
sureto replacethese parts with specified
onesfor maintaining the safetyand performance of the set.
Thisdocument h asbeenpublished to be used
SHARPCORPORATION
fOra"er-SaIeSSeNiCeOnIY.
Thecontentsare subjectto changewithoutnotice.