LG Flatron M3200C, Service Manual

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3. NO RASTER STATE ON VIDEO SIGNAL
NO RASTER STATE ON VIDEO
SIGNAL
NO RASTER IS COMPONENT1
CHECK THE PERIPHERAL
IC U303 AND COMPONENT1 CABLE
CHECK CABLE OF VIDEO AND
COMP2
REMARK : POWER CHECK
POWER CHECK OF CXA2040 (U201) : U204(9V)
POWER CHECK OF UPD64012 (U801) : U803(3.3V), U804(1.5V)
POWER CHECK OF MST9883C (U303) : U304(3.3V)
POWER CHECK OF MDIN150L (U901) : U907(3.3V), U908(2.5V)
POWER CHECK OF GM1501H (U402)
NO
NO
YES
CHECK
CXA2040(U201) I/O
SIGNAL?
CHECK THE PERIPHERAL
CX2040(U201)
NO PROBLEM
NO PROBLEM
NO PROBLEM
CHECK THE PERIPHERAL
UPD 64012(U801)
CHECK
UPD64012(U801) I/O
SIGNAL?
NO IN / OUTPUT SIGNAL
NO IN / OUTPUT SIGNAL
CHECK THE PERIPHERAL
MDIN150L(U901)
CHECK
MDIN150L(U901) I/O
SIGNAL?
NO IN / OUTPUT SIGNAL
CHECK THE PERIPHERAL
gm1501H(U402)
AND SDRAM(U401)
CHECK
gm1501H(U402) I/O
SIGNAL?
NO IN / OUTPUT SIGNAL