LG Flatron L3020T, Service Monitor

Page: 18 / 46

- 18 -
3. NO RASTER ON VIDEO SIGNAL INPUT
NO RASTER ON VIDEO SIGNAL
CHECK CABLE OF
VIDEO/COMPONENT
CHECK THE PERIPHERAL
UPD64083(U6)
CHECK THE PERIPHERAL IC
OF VPC3230(U1)
CHECK THE PERIPHERAL IC
OF VPC3230, FLI2310, SDRAM
CHECK THE PERIPHERAL IC
OF GM1501(U402)
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 CXA2040(U3) : L3(9V)
POWER CHECK OF UPD64083(U6) : U5(3.3V), L17(2.5V)
POWER CHECK OF FLI2310(U301) : L307(3.3V), L302(3.3V), L308(1.8V), L301(1.8V)
POWER CHECK OF GM1501(U402)
NO INPUT SIGNAL
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL