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Copyright
2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. NO RASTER (OSD IS NOT DISPLAYED) - MAIN
1. CHECK IC200,PIN 127,128
SOLDERING CONDITION
2. CHECK X200
3. TROUBLE IN IC200
CHECK IC200
PIN8,14,20(3.3V)
PIN21,104(1.8V)
NO
NO
NO
CHECK IC702(1.8V),
IC703(3.3V)
IC200
PIN 127,128
14.3MHZ?
CHECK CONNECTION LINE
FROM D-SUB TO IC502
TROUBLE IN CABLE
OR LCD MODULE
YES
YES
NO RASTER
(OSD IS NOT DISPLAYED)
CHECK IC200
PIN32(H-SYNC) AND
PIN33(V-SYNC).
IS PULSE APPEARED AT
SIGNAL PINS?
YES
1
Waveforms
1
U502-#201
Содержание Flatron L206WU
Страница 32: ...Jun 2007 P NO MFL36713676 Printed in Korea ...