Question about RCA HD52W56 52" Rear Projection HDTV

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Diode DL030 Where can i locate the Diode DL030 in the tv?

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  • RCA Master
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Its on the power deflection PCB where the flyback is located.

Posted on Jul 13, 2008

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Posted on Jan 02, 2017

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My Philips LCD 55PFL5706?F7 got wet and I cann't turn on, how ca I fixed it?


Contact the authorized service center for Philips. Never switch On this TV; until it have been checked by the experts at Philips.

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very common failure on this tv is electrolytic capacitors failing on the power supply, the module that your power cord plugs into. The Caps can appear to have swollen tops, replace with same type or slightly higher working voltage. Observe capacitor polarity when installing new parts. Probably 1000 mfd @ 16V could be 1000mfd @ 25V.
you need soldering skills to repair the parts in question.

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MAGNAVOX 51MP392H/17 NO PIC NO AUDIO


Thats a 8 Amp 600V diode BY229X-600 which is also used in locations 6307, 6308 & 6309 they are all the same diode. You should be able to get one from www.tvrepairworld.com

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What is status of Led lights on front of set?

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Fuse keeps blowing in my philips 32pfl3505d/f7 tv


Good day!!!!


That problem is cause of shorted bridge diode or power mosfet..

just see the picture below to see the image of bridge diode and power mosfet..

bugoy31_16.jpg

If you don't have a tools or you have no electronic background you only have to is order the new power supply board..

I hope this solution will be helpful..Thanks for using fixya....

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1 Answer

I turn the tv on and after a few seconds it shuts itself back off again. At that point I can't turn it back on until I unplug it and plug it back in. However, when I turn it back on it will again turn...


Possibly the main Power Regulator is damaged!!!

Open the case, then look for anything that burned out, replace it!!!

If still won't start, you need a multimeter, soldering iron, try locate output diode on power regulator board, then measure the voltages, it has 3-4 type of voltages;
first diode it should around 115V-130 V DC.
Second diode it should around 24 V DC.
Third diode it should around 11-16 V DC.
Fourth ( if exist), check diode and should around 5 V DC.

The problems usually start on second diode, if persist, follow the circuit board.

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2 Answers

Flyback was fine


Diode DL030 check to make sure that diode isnt shorted or open.

Jul 12, 2008 | RCA HD52W56 52" Rear Projection HDTV

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