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19LS4R (CHASSIS:LP73A) - LG TV Service Manual (repair manual). Page 15

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- 15 -
2. No RASTER : [B] Process
Check LED status
On Display Unit.
Fail
Pass
Repeat A PROCESS.
Check Panel Link
Cable or Module.
Pass
Fail
Change Panel Link Cable or Module.
Check Inverter
Connector or
inverter.
Fail
Change Inverter Connector or Inverter.
Pass
Change IC100
Check Output of
L300.
Pass
Check the LVDS
Output of IC100.
Pass
Check Input source Cable and Jack.
Fail
Change Module.
Fail
Fail
Change L300.
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