No Raster On Av Signal; No Signal On Tv(Rf) Signal - LG 22LK230 Service Manual

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No Raster On AV Signal

Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of JK101
Pass
Check the Input/Output
Of IC604
Pass
Repeat [A], & [B] Process
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail

No Signal On TV(RF) Signal

Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of TU401
Pass
Check the Input/Output
Of IC703
Pass
Check the Input/Output
Of L402,L403
Pass
Repeat [A], & [B] Process
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail

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