Question about Sony FD Trinitron WEGA KV-34HS510 34" TV

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The electronic repair shop my Sony has been for more than a year states they can not get a High Volt Transformer to fix the TV- Does this sound legit?

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Yes and Sony says to replace the whole board (sony D board) very expensive!

Posted on Aug 27, 2009

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I have a Sony model KV-32S26 that will not turn on, been sitting for about 2 years. Had a tv repair guy tell me it was the flyback transformer. If that's the case, can I replace it myself? Thanks


1) You must test the a) fuse b) c.breaker inside c) diode, d) rectifier e) transformer f) filter. g) IC. regulator voltage and test it. If the problem persist you must go to the horizontal problem by lack of RASTER, now you test the transistor horizontal power, flyback. If you have some experience with the electronic you can try. If do not, better go to the repair shop Tv. Since you can have a electric shock by H.Voltage discharge.
God bless you

Oct 11, 2012 | Sony KV-32S26 32" TV

1 Answer

My Sony trinitron tube Tv 36" seems to be going (its 10 years old


no ....the tube will end up after 20 yrs in 10 yr old sony...
it is worth if u fix it. randomly going black means...horizontal driver trans former is the problem..or any loose contact with the 110 volt supply to that transformer,,or any loose contact with line o/p transformer.. (horizontal driver transformer may be gone
then tv behaves like this) if any other parts gone tv wont come back.... there may be a loose contact call a service pro..

Apr 02, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

7 flashes on my 34HS420 Sony TV


7 blinks indicates problem of Horizontal deflection failure. Possible cause can be Horizontal Out Transistor and / or Fly-back Transformer shortage.
If you have TV repair experience and electronics knowledge background, let me know to guide you more OR take TV to local TV repair shop for proper fix.
 

Jan 06, 2009 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

No video & no sound


12 years of service count your blessings

if its the flyback (high voltage transformer)
they are probally not available
get an estimate from repair shop no simple fix

Dec 20, 2008 | Hitachi 35CX45B 35" TV

1 Answer

My CT-32SL14 32" TV has a high pitched Random BEEEEEEEEPing sound


prob high volt transformer tech may be able to repair replace cost high. 200 orso

Dec 01, 2008 | Panasonic CT-32SL14 32" TV

2 Answers

Trinitron color is going out on each side but fine in the center


Hello vineinn2,

I would say that might be the problem, but it might also be a HV problem. I had posted this before and it might help you:

This may be a CRT problem. From what it sounds like i.e. dim picture, colors not bright. If you have a background in electronics I would tell you to check the voltage levels on the CRT pins and compare them to the values on a schematic, however if you do not have a background in electronics, I would suggest you taking the TV to your local TV repair shop and have them troubleshoot your problem.

Here is a possible list of things that might be wrong:

1) CRT going bad (The shop can try CRT rejuvenation if needed)
2) High Voltage on the anode not at proper levels (The shop can check this with a HV probe)
3) Video output levels low (The shop can check the voltage and signal levels on the CRT socket board, and on the video amplifiers.

These are the three primary possible issues.

I hope this helps,

Thank you,

Shuttle83

Nov 21, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Experience


So you don't have experience of tv repair. I would recommend you to get help of local repair shop or find a friend who has knowledge of electronics.
You need KV-36FS120 service manual, tools like volt meter to test voltage etc, knowledge of parts recognition, must know good solder work to replace defective parts what ever found in tv, must know and recognize high voltage area in tv etc.
what do you think now, let me know.

Oct 11, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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I have a Sony WEGA KV-27FS120 tv


Have you ohad electrical prooblems or lightning in your area?

Im sorry to inform you that a red light blinking is an indication that the main power supply is good BUT the sweep supply has a problem .. Most likly the high voltage transformer as well as the horizontal transistor is bad. if you have no solid state repair experience, you will not be able to fix this set on your own. You have to troubleshoot the board and test the circuitry.
I could be simple as a fuse but unlikely. Is there a Sony repair shop in your area?

Aug 18, 2008 | Sony FD Trinitron WEGA KV-27FS120 27" TV

3 Answers

Sony Trinitron Vega KV-34HS420


it's better if you bring you're tv to sony service center and ask to an authorized repairman

May 07, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

No picture or sound just a high pitch beeping noise


Your problem is a bad sweep power supply or the horizontal sweep circuit has a short in it such as a bad horizontal output transistor as well as the high voltage flyback transformer. These are not problems that should even be concidered to be repaired or attempted to be repaired by an untrained person in solid state electronics. Please seek out a trained service person to estimate the TV for you as there are no user parts inside this set, and a TV set is not a place to be experimenting around inside of.

Oct 07, 2006 | Philips 20PT6245 TV

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