LG M4224C - Page 22

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Only for training and service purposes
LGE Internal Use Only
C
2008
- 22 -
2. NO RASTER(OSD IS NOT DISPLAYED)
NO RASTER
(OSD IS NOT DISPLAY)
CHECK THE PERIPHERALS
OF IC120
CHECK IC120
LVDS.
NO
CHECK WAFER,
CONNECTOR AND POWER
BOARD
CHECK
INVERTER
VOLTAGE POWER
(24V)?
NO
1. CHECK INVERTER
2. CHECK T-CON BOARD
YES
YES
YES
CHECK
MODULE LINK CONNECTOR
CHECK
MODULE INPUT
WAVE
NO
CHECK WAFER,
CONNECTOR AND POWER
BOARD
CHECK
T-CON VOLTAGE
(12V)
NO
YES