LG RZ-15LA70 Service Manual - Page 17

B]Process

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

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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
Fail
Change module
Fail
Check panel link
Cable or module
Pass
Pass
Pass
Pass
:[B]Process