LG rz-32lz55 - No Raster Troubleshooting

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No Raster
Check LED Status
on display unit
Check the input/
Output of IC901
Check L900,L901
L902,L903
Check inverter
Connector or inverter
Check input source cable and jack
Repeat A PROCESS
Fail
Change L900,L901,
L902,L903
Fail
Change IC901
Fail
Change inverter
connector or inverter
Fail
Change panel link
cable or module
Faill
Change module
Fail
Check panel link
Cable or module
Pass
Pass
Pass
Pass
Pass
:[B]Process