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LG DU-42PX12X video on right side missing    
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_Bob
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PostPosted: Mon Nov 10, 2008 12:12 pm    Post subject: LG DU-42PX12X video on right side missing Reply with quote

Hi Tech:s

Haven't seen many plasmas.
This 6871QRH043A LG DU-42PX12X the video on right side missing left side has good video, the right side also has g/b/ and red thin vertical lines. Looking over the lg training manual it focuses me to a x driver board 6871QRH043A can someone share the procedure for verifying a bad driver board ,and or tips/data on this set...

Thanks in advance...
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_Doug
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PostPosted: Mon Nov 10, 2008 12:15 pm    Post subject: Reply with quote

The manual will do you no good but a controller board will. 6871QCH038C
_Bob
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PostPosted: Mon Nov 10, 2008 12:17 pm    Post subject: Reply with quote

Thanks Doug
This morning the set came on with right side missing and lines after about 5 min. it had full raster normal video,i thought good cold solder possible, tapping could not help pinpoint, after about 15 min back to right side missing, anyway on the control board 6871qch038a after the right side went back to no video there"s two little led"s almost in the center near top of 6871qch038a the one on the left started flashing on and off other one is on both are green anyone know what this mean? any input / service manual would be greatly appreciated thanks in advance....bob
_Doug
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PostPosted: Mon Nov 10, 2008 12:17 pm    Post subject: Reply with quote

The big ship in the middle of that board is where the problem lies. To prove it, you may be able to 'chill' it and or apply pressure to it and the problem might go away for the moment. This does not always work. This board is a known 'bad actor'.
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