LG 42LH70YR Service Manual page 17
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Also See for 42LH70YR:
- Owner's manual (270 pages) ,
- User's manual & specification (270 pages) ,
- Manual de usuario (124 pages)
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No Raster on PC Signal
Pass
Check Input source Cable And Jack
Pass
Check the Input/Output
Of J104
Pass
Check the Input/Output
Of P401
Pass
Check the Input/Output
Of IC100
Pass
Check the Input/Output
Of IC800
Pass
Repeat [A], & [B] Process
No Raster on COMMPONENT Signal
Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of JK101
Pass
Check The input/Output
Of P401
Pass
Check the Input/Output
Of IC800
Repeat [A], & [B] Process
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Only for training and service purposes
Re-soldering or
Change the defect part
Fail
Change the defect part,
Fail
Re-soldering or
Change the defect part,
Fail
Check RGB EDID Data
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail
Check FFC Cable
Re-soldering or
Change the defect part
Fail
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Re-soldering or
Check FFC cable
No Raster on HDMI Signal
Pass
Check Input source
Cable And Jack
Pass
Check the Input/Output
Of JK301, JK302, JK303
Pass
Pass
Check the Input/Output
Check the Input/Output
Of JK301, JK302, JK303
Of JK301, JK302, JK303
Pass
Check the Input/Output
Of IC300, IC301, JK302
Pass
Check the Input/Output
Of IC800
Pass
Repeat [A], & [B] Process
Re-soldering or
Change the defect part
Fail
Re-soldering or
Re-soldering or
Change the defect part
Change the defect part
Fail
Fail
Re-soldering or
Change the defect part
Fail
Check HDMI EDID Data
Re-download HDCP
Re-soldering or
Change the defect part
Fail
LGE Internal Use Only
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