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Posted on Feb 19, 2008

Lamp won't turn on

My DLP HDTV lamp was busted.I replaced it with new replacement part, but
the lamp won't turn on. I checked the power to the lamp ballast( it is only 10V)
The power supply has 110V input, but the output going to the lamp ballast is only 10V. What is supposed to be problem? Could it be the power supply? If so where can I find the part supplier for this. Thanks

Noe

  • veonraliuga Feb 19, 2008

    Its a Samsung DLP-HDTV model HLP5063WX

  • mccallisterj Nov 28, 2008

    replacment lamp will not light, TV still flashes as if lamp were broken

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  • Posted on Feb 19, 2008
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It sounds like the main power supply has a bad capacitor. its a typical issue with a lot of electronic. look on the main power board that the outlet cord comes in to the TV and check all the cylindrical components for swelling, leakage, or singe makes.
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I replaced the lamp on my toshiba 42HM66 and that worked for about 2 weeks. I ordered a new lamp and replaced it. Now the lamp light blinks amber and then the power light blinks green at about 30 second...

You will need to check if the output supply going to the lamp is good. If not the ballast will need replacement. That model is actually famous for haveing ballast issues. You can get the replacement ballast from www.tvcircuitboards.com they also assist with installation assistance if you require it.
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If the capacitor on the ballast was puffed up or blown up you have to replace the lamp, ballast & SMPS at the same time. But if the ballast is not trying to fire the lamp it sounds like the color wheel is not coming up to speed. If this is the case, the set will not turn on.
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It looks like your ballast board is going bad, this is a common problem for DLP TV's the ballast board is the power source to the lamp and if for any reason this board does not send enough energy to the lamp it will turn off, It looks like your ballast it starting to get weak it gathers enough energy to turn on but gets weak again and turn back off you have a new lamp and it requires for the ballast to be working at it's full potential
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