Question about Mitsubishi WD-57733 57" HDTV

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My tv is making a popping sound and the sound is cutting out and the screen goes blank for a few seconds. the picture doesn't seem to be as good as it was. we probably need to change the bulb, but don't understand the sound problem.

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Both problems can be caused by a failing solder joint in the main power supply; you may not need a bulb yet. <div><br /></div> <div>The supply may be on a separate board, fairly easy to remove. If you or a friend has a <i>quality</i> soldering iron or station, you might unplug the power supply board and visually inspect (with magnification) and look for a solder joint that looks rough or is cracked (it happens), use fresh resin core solder and reflow any suspicious soler points. </div> <div><br /></div> <div>If you are concerned about getting the supply reconnected, take a couple of snapshots of the wiring to and from it before disconnecting.</div> <div>The plugs are normally all different so tough to interchange by accident.</div>

Posted on Aug 24, 2010

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