CASIO QV-10 Repair Guide
Repair Guide for QV-10
INDEX
Vol. 1 Basic Repair
Contents
PAGE
Requirement ..................................................................................................
Equipment and Tool ....................................................................................
Disassembly ..................................................................................................
Troubleshooting .............................................................................................
No power on .................................................................................................
Picture element is missing when print out ...................................................
Sudden power failure ...................................................................................
Assembly .......................................................................................................
Major points .................................................................................................
Data Restoring ...............................................................................................
Memory error reset ......................................................................................
Creating backup file .....................................................................................
Restoring images stored in QV-10 memory error ........................................
After Replacing the Digital PCB .....................................................................
Color Adjustment ...........................................................................................
Initializing the Flash Memory ..........................................................................
Vcom Adjustment ...........................................................................................
Appendix .......................................................................................................
Usage ..........................................................................................................
1
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3
4
4
6
7
8
8
9
9
10
11
12
13
14
15
18
18
Requirement
Equipment and Tool
PERSONAL COMPUTER
IBM PC/AT or compatible RS-232C serialport ( D-Sub 9-pin )
MS-WINDOWS Ver 3.1 or later Mouse or other pointing devices
4MB of RAM (8MBrecommended ) 3.5" 1.44MB disk drive (for installation )
10MB available hard disk space
Color monitor ( full-color recommended)
386SX CPU or higher (486SX recommended )
SERVICE UTILITY SOFTWARE
FLASH. EXE
AMED.EXE
ADJ.EXE
LIGHT BOX HANDY 5000
for Color adjustment
COLOR FILTER LBA 3
for Color adjustment
OSCILLOSCOPE
REGULATED DC POWER SUPPLY
PHOTO DIODE
-1-
Equipment and Tool
CABLE
PHOTO SENSOR AMP.
ANALOG VOLTMETER
KOTELYZER
SOLDERING IRON and SOLDER
TWEEZERS and SCREW DRIVER
-2-
Disassembly
Procedure
Remove the two screws from the lower case.
Remove the two screws from the lower case.
Pull out the lower case.
Take the battery cover.
Pull out the keyborad PCB from the digital PCB.
-3-
Troubleshooting
Procedure
No power on
Check the power switch.
Check the fuse (FU500) by using multimeter.
Take the fuse (FU-100) by using multimeter.
Replace the backlight or the LCD.
Pull out the flat cable from the digital PCB.
Remove the three screws from the upper case.
-4-
Procedure
Remove the connector from the linear PCB.
Loose the connector then the release hook. Pull out
the linear PCB.
Remove the four screws from the upper case.
Replace the backlight.
Replace the LCD.
Vcom adjustment is necessary when changed the
LCD.
See page 14.
-5-
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