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Symptoms Philips HDTV

Hi the symptoms are the green lite comes on, and you hear some clicking and the hi voltage whine, but the screen is completely black. no lines, no flicker, nothing. the only other numbers i found is a sticker that says "renewed 070000448100" other than that just the model and serial number. I see no chassis number and have had the back off and everything.

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I will try submitting a request to philips to see if I can nail down that chassis number, if i can find that out I will be able to help you.

Posted on Mar 30, 2008

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The power supply board is dead, do you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


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1 Answer

Philps HDTV


It could possibly be something in the deflection circuits. Exactly what are the symptoms when you try to power up the set? Have you tried to see if you can locate the Chassis number of your set, As a philips/magnavox is almost impossible to diagnose without that chassis number as all service info is crossed by chassis number.

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1 Answer

No pic/sound


If you dont here anything then it sounds like the switching power supply or the horizontal output circuits not starting up. this requires troubleshooting with a variac, as well as maybe a scope. If your not trained to work on HI Voltage circuits you should seek assistance with this repair. Theres HI voltage inside these sets even after they are unplugged for a while. sorry i couldnt be of more assistance.

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