LG 32LH20R-MA - AV;RF and Audio Troubleshooting

Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
C
2009
LGE Internal Use Only
- 18 -
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
No Sound
Check The Input Sourse
Check The Input/Output
Of IC600
Re-soldering or
Change the defect partFail
Pass
Pass
Check The Speaker
Change Speaker
Fail
Check The Speaker Wire
Pass
Change The Source Input
Fail