LG 15LC1R-ZG Service Manual page 17

No Raster
Check LED Status
on display unit
Pass
Check
U401~U405, U407, U409
Pass
Check the input/
Output of U301
Pass
Check inverter
Connector or inverter
Pass
Check panel link
Cable or module
Pass
Check input source cable and jack
:[B]Process
Fail
Fail
Fail
Fail
Fail
- 17 -
Repeat A PROCESS
Change U401~U405,
U407, U409
Change U301
Change inverter
connector or inverter
Change panel link
cable or module