LG 22LD310 Service Manual page 32

TROUBLE SHOOTING GUIDE
No Raster On AV Signal
Pass
Check Input source Ch k I t
Cable And Jack
Pass
Check The Input/Output
Of JK101
Pass
Check the Input/Output
Of IC604
Pass
Repeat [A], & [B] Process
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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 Check The Input/Output
Of TU401
Pass
Check the Input/Output
Of Q401,IC707
Pass
Check the Input/Output
Of IC703,IC706
Pass
Check the Input/Output
Of L402,L403
Pass
Repeat [A], & [B] Process
Re-soldering or Re soldering or
Change the defect part
Fail
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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