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My 2 year old sharp hdtv [26" i think] has no viewable picture except on the PC digital input, and no audio [no audio on any input, including pc]. The 3 video inputs all produce a full screen set of pink lines and dots alternating with a dark screen. Warranty long since expired. Have not tried VGA input Thanks. Judson Jenings

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  • jenninju Apr 12, 2008

    LD-23SH1U 23" LCD color tv

  • jenninju Apr 12, 2008

    well, what i have right now is at least a working monitor for my pc/mac, and pretty good one at that. I assume if I am lucky I will find one bad part to replace, can they be bought and do they cost a lot?

    thanks

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The video thing happens as the capacitors and resistors may fail and so the video will not be seen, instead you get horizantal or veritcal lines. or in this case the case is more worse where only dots are visible. Sound problem might have occured due to variety of reasons.

But the thing here is the repair work can only be carried out by the technician, and may cost somewhere around 200$!.. so it is for you to decide on how to proceed.!

Posted on Apr 12, 2008

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Need model number from the back of it.

Posted on Apr 12, 2008

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  • Scott Henderson
    Scott Henderson Apr 12, 2008

    actually, sharp has a problem with heat sync's and the compound they used for their heat sync transfer. remove the back, remove the boards one at a time, being very carefull of the double stacked boards, cause these connectors are very sensitive. Check all heat sync's for melting of the rubbery soft heat sync transfer areas.
    when these melt they cause several things to happen including picture problems, and no sound or sound that cuts in and out.
    please make sure you completely remote the main input board as usually there is one mounted under it.

  • Scott Henderson
    Scott Henderson Apr 12, 2008

    if you have this problem, then you need to clean the area's and replace it with a new one.

  • Scott Henderson
    Scott Henderson Apr 12, 2008

    what i do is cut the good pieces in half and use them in the bad areas.

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