Proscan PS50700 50" Rear Projection Television Logo

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Posted on Aug 13, 2010
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There is no sound on my ps50700 proscan tv - Proscan PS50700 50" Rear Projection Television

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Willard Broughton

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  • Expert 252 Answers
  • Posted on Aug 13, 2010
Willard Broughton
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Joined: Jul 30, 2010
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Replace the audio output chip

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How do I fix a convergence problem on a Proscan 50

I dont know how to fix it, only had the tv for 3 months already having problems doesnt say much for proscan!!
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My tv. proscan mod. ps50700 won`t turn on

The PS50700 uses the 195 series chassis. The most common cause of the set not starting up is a shorted flyback (high voltage) transformer. Sometimes a shorted flyback will also cause the horizontal output transistor to short too. These parts need to be tested and/or replaced by a tech familiar with the RCA 195 chassis.
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I have a 50 inch proscan and it just beeps but will not come on how can i fix it

I suspect wrong model number is listed here as this set makes no beep at turn on; older set made around 2000 but if it is your model here is some information to look at.

http://en.allexperts.com/q/TV-VCR-Stereo-1749/Proscan-PS50700-projection-TV.htm


If not this model let me know.
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TV POWERS ON, THEN BACK OFF

I could be anything but mostly it will be its age, and if its never been cleaned out it could be the bulb failed, power board. dust build up can cause over heating of the parts. even damage them if the dust becomes damp. is there any lights flashing or any leds lite up ?
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There is no sound; the mute buttons are off; how do I get a sound on my 40" proscan

Hi there.
Try to unplug the tv for about 10 minutes. It might reset itself.
Iceman.
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No Sound on ProScan 50" Rear Projection

Check that sound is not "Muted";
Check that speakers are not turned off;
If using a S-VHS component, remember to connect the components L & R AUDIO OUT jacks to the TV's L & R INPUT jacks.
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Proscan Projection screen warped

Just had mine do this same thing today. Looks like its time for a flat screen. Sucks to spend the money though :(


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Tv problem

what chassis is in your set,look at the rear panel for model and chasis type to help to diagnose fault
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Proscan 50" rear projection TV model S50-700

the life expectancy of a tv is 6yrs depends on how you take care of your tv.it can go for a long time.
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