LG Flatron W2486L User Manual

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Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. NO RASTER (OSD IS NOT DISPLAYED) – INVERTER
NO RASTER
(OSD IS NOT DISPLAYED)
NO
NO
NO
CHECK voltage (24”: 46.2V typ,
22”: 29.25V typ) of lamp wire
of the LCD module
CHECK ADAPTER AND FIND OUT
A SHORT POINT AS OPENING EACH
POWER LINE
CHECK REGULATOR AND FIND OUT
A SHORT POINT AS OPENING EACH
POWER LINE
CHECK THE LINES BETWEEN IC101
AND IC 400
CHECK ADAPTER
INPUT VOLTAGE 4PIN
OF JK300( 12V)
CHECK IC301
PIN2(1.8V) AND
CHECK IC302 PIN2(3.3V)
CHECK PIN 10( 3.3V)
AND PIN 11( DIMMING)
OF IC101
YES
YES
YES
NO
CHECK IC 400 AND Q407 OPERATION
CHECK FET( Q407)
SWITCHING OPERATION
YES

LG Flatron W2486L Specifications

General

Brand	LG
Model	Flatron W2486L
Category	Monitor
Language	English