Tv problem my proscan tv won`t turn on I hear a beep, beep noise mod.ps50700 1998

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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.

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.

The power supply is the most likliest cause of the issue. You can get replacement power supply from www.tvcircuitboards.com

does it back up while beeping? just kidding - what does the power light on the tv do after you try to turn it on do you hear sound at all? have you tried changing inputs (do you get video on any input) does you see a picture n the tv at all if so is the picture really dark - need a little more info to get you in the right area - probably a power supply or inverter board problem to be honestly with you.

thanks,
michael

there is a bad ground.
the hum you are hearing is ac getting into the audio.check all the rca plugs on the set are plugged in all the way.do not run them close to a power bar either.
sometimes a second unit with it's own volume is hooked up to the tv and then the tv volume is up too high because the other box is turned down.if there is a unit hooked up,turn it's volume up ,and the volume on the tv down,otherwise the tv will amplify the residual noise.cheers,ed

Hold your NUMLOCK key down for 5 seconds until you hear a beep. Problem solved!

possibly flyback, probablly not worth fixing

The sound that you hear is coming from the sound detector not working or not receiving any audio. If the set is set to a second audio (SAP) program this could be you trouble. Some programs are broadcast this way. (such as Spanish for Spanish speaking people. Check you audio program settings.
Stargazer

I have a 60in Proscan Projection TV. My picture is out and the TV only beeps.

Brian Allen