Read LG 55LP1M-WC (CHASSIS:CL-80) Service Manual online
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5. NO RASTER STATE ON DVI SIGNAL
NO RASTER STATE ON DVI SIGNAL
REMARK : POWER CHECK
POWER CHECK OF GM1601H (U402)
INPUT WAFER CHECK (J102)
CHECK GM1601H(U402) I/O
SIGNAL?
CHECK THE PERIPHERAL
GM1601H(U402)
AND SDRAM(U401, U406)
NO IN / OUTPUT SIGNAL
NO PROBLEM
CHECK THE MODULE
CHECK THE INVERTER
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