LG Flatron L3020T, Service Monitor

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4. NO RASTER ON TV SIGNAL INPUT
NO RASTER ON TV SIGNAL
CHECK CONNECTION OF TV
TUNER AND ANTENNA
CHECK THE PERIPHERAL
UPD64083(U6)
SELECT AUTO CH OF OSD
CHECK THE PERIPHERAL IC
OF VPC3230(U1)
CHECK THE PERIPHERAL IC
OF VPC3230, FLI2310, SDRAM
CHECK THE PERIPHERAL IC
OF GM1501(U402)
CHECK TV CH
CHECK UPD64083(U6) I/O
SIGNAL
CHECK VPC3230(U1) I/O
SIGNAL
CHECK FLI2310(U301) AND
SDRAM(U302) I/O SIGNAL
CHECK GM1501(U402) AND
SDRAM(U401)
POWER CHECK OF TUNER(TU701) : C714(3.3V), C716(5V)
POWER CHECK OF CXA2040(U3) : L3(9V)
POWER CHECK OF UPD64083(U6) :L17(2.5V), L20(2.5V)
POWER CHECK OF VPC3230(U16) :L18(5V), L9(3.3V)
POWER CHECK OF FLI2310(U301) :L302(3.3V), L307(3.3V), L301(1.8V), L308(1.8V)
POWER CHECK OF GM1501(U402)
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL