LG W2363D - PICTURE Menu: Brightness, Contrast, Gamma, Black Level

TROUBLESHOOTING GUIDE
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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. NO POWER
NO POWER
(POWER INDICATOR OFF)
CHECK IC102, 301
NO
NO
NO
CHECK POWER 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 POWER (5V) AND I2C
LINE OF CONTROL ASSEMBY
CHECK POWER
INPUT VOLTAGE 5,6PIN
OF P600( 5V) AND
1,2PIN OF P600(18V)
CHECK IC602,702
PIN2( 1.8V)
IC600,700 PIN6 (3.3V)
IC601,701 PIN6 (1.27V)
CHECK CONTROL
ASSEMBLY OPERATION
YES
YES
YES
NO
CHECK CRYSTAL( X100,300)
CHECK PULSE OF IC102,
301 PIN A4, B5
YES