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My HDTV model # 50PP920217F has no sound nor picture, what components should I suspect to be defective?

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  • Philips Master
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THe LSB ( Large Signal Board ) is the number one cause of the two symptoms.

Posted on Jul 14, 2010

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How do I fix my hd TV when it works for a few minutes up to an hour or so, and then the screen goes black with no sound


Check out the power supply board. I suspect that after it gets hot after a while it shuts down due to a defective component that is heat sensitive. Problem is that you have an intermittent and you have to wait for the hassle to appear, if and when.

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I have a big magnavox tv that all of a sudden the picture went out with only sound. I tried everything possible from changing cables and calling my cable company to see if the problem was there but no


Your flyback has failed most likely...bad new is they are nearly impossible to find, This is a known issue on most of the models below. The site Tv Repair Kits can sometimes get replacements - but its not often.

This repair kit is known to work on Magnavox TV sets with the following Chassis/Model Numbers.

DPTV305 , DPTV305F , DPTV310 , DPTV315 , DPTV330 , DPTV330F , DPTV335 , DPTV340 , DPTV345, MAG01

Model Numbers

( 43PP9202/17 43PP920217 43PP9202/17F 43PP9202/84 43PP920217F 43PP920284 43PP920201 43PP920284F 46PP9302/17 46PP930217 46PP930201 46PP930217F 46PP930284 46PP930284F 46PP9302H17 50PP9202/01 50PP9202/17 50PP9202/84 50PP9202/84F 50PP920201 50PP920217 50PP920284 50PP920284F 50PP920217F 51MP392H/17 51MP3964H/17 51PP9303H/17 51PP9363H17 51PW9303/17F 51PW936317F 55PP9352/17 50PP920217F 51MP392H17 51MP3964H17 51PP9303H17 51PP9363H17 51PW930317F 55PP935217 55PP935201 55PP9363H17 55PP9502/84 55PP950284 55PP950201 55PP950217 55PW936317F 55PW9383/17F 55RW9515/35 60PP9202/17 55PW938317F 55RW951535 60PP920217 60PP920201 60PP920217F 60PP9352/17 60PP935217 60PP935201 60PP9363H17 60PP938317F 60PP9502/17 60PP950217 60PP950201 60PW936317F 60PW938317F 43PP9202/17 43PP9202/17F 43PP9202/84 43PP920217 43PP920217F 43PP920284 43PP920201 43PP920284F 46PP9302/17 46PP930217 46PP930201 46PP930217F 46PP930284 46PP930284F 46PP9302H17 50PP9202/01 50PP9202/17 50PP9202/84 50PP9202/84F 50PP920217F 51PP9303H/17 51PP9363H17 51PW9303/17F 50PP920201 50PP920217 50PP920284 50PP920284F 51PP9303H17 51PW930317F 51PW936317F 55PP9352/17 55PP935217 55PP935201 55PP9363H17 55PP9502/84 55PP950284 55PP950201 55PP950217 55PW936317F 55PW9383/17F 55RW9515/35 60PP9202/17 55PW938317F 55RW951535 60PP920217 60PP920201 60PP920217F 60PP9352/17 60PP935217 60PP935201 60PP9363H17 60PP938317F 60PP9502/17 60PP950217 60PP950201 60PW936317F )

Mar 29, 2012 | Philips Televison & Video

1 Answer

Sound but no picture


The best way is to have a TV technician do the
troubleshooting. It has a defective component
that seems to become ok when your TV circuit
is energized for a while, not at an instant.

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1 Answer

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There may be a switch on the back of the TV that chooses whether to output video to the component connections or the RCA/S-Video connections.

RCA cables - red, yellow, white
S-Video - single cord (usually black)
Component Video Cables - red, green, blue

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Convergence menu not available on my RCA HDTV. Model R52WH74YX58 I have installed all 3 new fuses as well as DL231 and CP230 and resoldered the pins on the flyback and IC, but I still have not got an...


The only fuse that will govern the convergence option is FL231 along with the two other components that you mentioned. If that didnt fix the issue the deflection board or the convergence power supply is defective. The deflection board is most suspect.

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1 Answer

NO PICTURE


There's an internal electronic parts of your HDTV that are cold soldered / defective. I suggest to bring the unit to an authorized service center to properly diagnose and fix it. best regards

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1 Answer

Phillips HDTV looks like it is in 3D


Your convergence ic's went bad and possibly took out the fuses in that circuit. I believe they are stk392-120's on that set. Also, check all the resistors around them. Should be located on two heatsinks near front of chassis. Good luck.

May 19, 2009 | Philips 50PP9202 50" Rear Projection...

1 Answer

Panasonic pt 53tw53 rear projection


Check the vertial output IC. either for defective solder or defective IC. This model has a feature if the vertical output IC fails for any reason the picture tubes blank out as a safety issue.Thereby giving no picture but audio still functions.

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