Read LG 26LU50FR-LA / 26LU50FR-TA (CHASSIS:LP91A) Service Manual online
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No Sound
Check The Input Sourse.
Check The Input/Output
Of IC600.
Re-soldering or
Change the defect part.
Fail
Pass
Pass
Check The Speaker.
Change Speaker.
Fail
Check The Speaker Wire.
Pass
Change The Source Input.
Fail
No Raster On AV (Video, S-Video)Signal
No Signal On TV(RF) Signal
Check Input source
Cable And Jack
Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of JK101, JK201
Pass
Re-soldering or
Change the defect part
Pass
Fail
Pass
Repeat [A], & [B] Process
Check the Input/Output
Of IC800
Fail
Re-soldering or
Change the defect part
Pass
Check The Input/Output
Of TU500
Pass
Re-soldering or
Change the defect part
Pass
Fail
Check the Input/Output
Of IC800
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
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