Question about Sony KP-57WS500 57" Rear Projection Television

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Turn power on and the screen stays blank only a clicking noise can be heard, kind of sounds like a capacitor discharging

When you turn the tv power on. screen stays blank but a clicking noise is heard, kind of like a capacitor discharging every half a second or so Sony kp57ws500

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Just fixed mine with the same problem you all described:

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Posted on Aug 22, 2009

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Check secondary power supply. its a relay switching sound.

Posted on Jun 02, 2009

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I have a Mitsubishi WD-60738 - about 3 or 4 years old. On Sunday heard a electronic 'popping' noise and TV turned off. When I turn it back on, i get audio, but no video - screen stays dark. Did my


Check and replace the damaged component/s at its main power supply regulator section circuit. The sound you heard might be due to a busted capacitor. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Mar 24, 2014 | Mitsubishi WD-60738 TV

1 Answer

TV clicking on and off with colored screens and noises, not power supply capacitors this time.


Sounds like a main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Mar 20, 2014 | Samsung LN46A630 46 in. LCD HDTV

1 Answer

My tv made a loud noise like a vacuum them a high pitch noise and now it wont turn on unless I keep flicking the surge protector on and off.It wont even work when plugged directly into the outlet.


Power supply...The vacuum sound you heard was a capacitor failing. A capacitor stores energy for later use. For example, you turn on your TV, seconds later you hear a "Woosh" and the picture comes up. This is your tv's capacitor discharging. It's a simple fix if you know electronics though I wouldnt recommend repairing this yourself. There are several capacitors inside your TV. Though not fatal, they can give you a jolt. Call a repair man. I hope this helps : )

Jan 07, 2011 | Televison & Video

1 Answer

We heard a "pop" noise


The pop noise could be a capacitor poping its top up.This is a common problem to most TV sets today. Usually located at the power supply board.Once this parts give up it usually shorts the circuit and blows a fuse.Replacements of these parts mentioned will often remedy the problem.Flashing power indicators indicate a problem.If you have the chance of counting how many the blinks are I could have told you the problems code are and the source of the problem.

Dec 05, 2010 | Akai PT46DL10 46" HDTV-Ready Television

1 Answer

Vizio picture blank but lights up


you need to call a repair tech and have them check for blown capacitors in the power supply and the x & y sus (the circuits that light up your screen) for defective capacitors. they are very obvious to see-normally the top a a capacitor is flat, but in this case if bad they will be bowed out -rounded on the top.

Apr 21, 2010 | Vizio VW42LF 42 in. LCD HDTV

1 Answer

LG DU-37LZ30


probably a power supply problem,modern tvs use switching power supplies. these power supplies sometimes fail after a long period of use due to the constant charging and discharging of the capacitors

Jun 07, 2009 | Sony QUALIA 005 46 in. LCD Television

1 Answer

Plasma Hyundai 42'' TV ,NO SOUND OR PICTURE


most times then not it's the capacitors on your power board that blew there for not supplying the tv with enough power if you open it up and check the capacitors it should be leaking some kind of liquid or the tops have bubbled up. its an easy fix cost>>2 dollars each

May 21, 2009 | Televison & Video

2 Answers

42 inch LG Plasma TV - Lost picture


Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

Feb 24, 2009 | LG 42LC3R 42 in. LCD TV

1 Answer

Sony KT-T25SF8 Dead, no video or audio, low level clicking noise


Most likly the Horizontal output transistor has shorted out because of cold solder connections on the flyback transformer, and or a bad capacitor in the sweep power supply and or, a bad flyback transformer. If the set Did not blow the fuse, then mopst likly you will have a problem in the main power supply where several parts in a kit form has and should be replaced all together.

Jan 17, 2009 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

Toshiba 50hp66


I think that the pop you heard was an electrolytic capacitor blowing its top on the picture frame board. If you are able to check this for yourself by looking on the board for the one/s with a bulging top or are a brownish/black colour like something has caught fire. And also in this situation smell can be of great help as it will smell burnt out but PLEASE before putting your nose or anything else in the tv take all necessary precautions against electric shock and discharge any electrolytic capacitors in the vicinity. If you are not able to do this yourself find a competant technician. Hope this helps.

Jul 16, 2008 | Toshiba 50HP66 50 in. Plasma Television

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