Question about Philips Magnavox 20MS233S 20" TV

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NO Picture, No Sound

The TV was on and then all of a sudden no picture...no sound.. we then checked the power supply...and power was going to the tv....we unplugged...then plugged back up..a little sound..then a horizonal line went across the screen...then black..Can you tell us what we need to check...or what the problem my be?

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Might be the picture tube,have it checked by a tv repair man

Posted on Jul 29, 2008

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I got a problem my tv sony trinitron kv-xg29m20 the problem is when the tv comes on the picture is not full the sound comes then suddenly its cutsoff and the redlight flashes


By not full I assume you mean the picture is reduced in size all round. If this is the case then you most likely have a power supply problem. Check the HT voltage, if this is low then check all electrolytic capacitors in the power supply for reduction in value.
Regards Vintie

Oct 15, 2013 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Same thing happened to me


Well, no sound no picture = power supply unit
Sound no picture= flyback
picture no sound =tuner/audio logic

You get my drift?

You power supply is bad you replace it you got another new TV, with this digital conversion hitting I would rather advise you to get a nice flat panel and donate that one to Goodwill

Jun 13, 2009 | RCA F32650 32" TV

1 Answer

RCA 32 in TV no picture no sound just a beeping noise TV power is on


the tv has one part of the power supply working this is needed to have the microcontroller ready to work. But the tv needs more than that for work im talking 'bout the high voltage power supply who is now damaged. the parts required depends on the diagnosis in the bench but at least two are needed. the cost of this repair of course depends in how many parts are going to be replaced, but i concider this repair kind of average in this technology.

Apr 13, 2009 | RCA 32V524T TV

1 Answer

RCA 32 in TV no picture no sound just a beeping noise TV power is on


Hello cote,

This indicates a problem in the power supply either the low voltage switching supply or the High voltage power supply. The sounds you hear is the shutdown circuit activating, I would not suggest that you try to repair this problem because of the dangers involved. I would suggest that you take it to a qualified TV repair shop. This problem should not cost you much, however it is the best choice for the problem you described.

I hope this helps,
Thank you,
Shuttle83

Mar 14, 2008 | RCA 32V524T TV

1 Answer

TV working, then suddenly no picture, no sound


could be flyback transformer cracked need replaced 48.00 for part or board replacement usually done at about $200.00 , part number is 9-2022

Nov 24, 2007 | Zenith A25B33W 25" TV

1 Answer

Sony KV-32S36 32" suddenly stopped working, no picture or sound


Check soldered in fuse R607 in power supply circuit =
If open, replace it and bad converter xistors ( 2SC4834)
Next, replace shorted horizontal output transistor w/ first Quality.
Solder any / all bad connects,esp.horiz drive to base of horiz.
o / p xistor. Soldering is critical or it will blow up again......

Oct 27, 2007 | Sony KV-32S36 32" TV

1 Answer

I get no picture on samsung pck5315r TV


no picture & sound ok as sound is there means your power supply &high voltage section is ok problem is in video section 1 crt is glowing or not if not check its supply. 2 check crt base or any connector for loose 3 check supply to video & crt base(g2) 4 check for video signal is coming to video sectuon from processor ic. 5 loose print if any. hope this will help

Sep 30, 2007 | Samsung PCK5315RX TV

2 Answers

LG colour TV RI32CZ10RX problem with picture


My LG tv has suddenly got a problem with the picture. Whilst watching the tv with no problems at all, the picture was suddenly reduced to a thin vertical line down the centre of the screen and an awful smell seemed to come from the tv There is a short ckt in your tv in horl. section. 1 isolate power from horizontal section. 2 check for normal output from power supply. 3 check parts in horl output section a hor.output transistor b diode & cap in h/output trnsformerckt. c check for print. d if all are ok check for eht transformer. e if every thing becomes then reconnect hor output section supply. f put on the set.

Sep 23, 2007 | Standard (CRT) Televisions

5 Answers

RCA 32 in TV no picture no sound just a beeping noise TV power is on


You have a bad flyback transformer and shorted horizontal output transistor. Your set would have to be taken to a shop to have these parts replaced. Stargazer

Aug 04, 2007 | RCA 32V550T 32" TV

1 Answer

Buzzing sound, no picture on my Panasonic TV


You might have a short causing the set not to start. Probably in the horizontal/high voltage circuit. The buzzing sound that you're hearing is the power supply overloaded. Stargazer

Apr 22, 2007 | Panasonic CT-27G23 27" TV

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