Question about Sony FD Trinitron WEGA KV-32HS500 32" TV

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SONY TV WON'T POWER UP WHEN COLD.

SONY KV-32HS500 THE TV WON'T POWER UP WHEN COLD. WHEN THE AREA AROUND THE POWER SUPPLY IS HEATED THE TV WILL POWER UP AND RUN NORMAL. ANY HELP WOULD BE APPRECIATED.

Posted by FRAMERATE on

  • Anonymous Nov 25, 2007

    I have similar problem but just hitting the power button again turns the tv on and there is no problem until TV is shut down for about an hour or more. Under an hour and it powers on/off normally.

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Anonymous

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As there is a problem of any electrolytic cap in tv as per what you say. but in my opinion it might be taking time to crt glow due to low supply or its ageing.

Posted on Sep 22, 2007

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1 Answer

Im having a problem with my TV turning off and the standby button flashing 7 times, after it shut off. What can I do.


hi,
Blinking led in sony tv is its self dioganising function. 7 blinks by it means the horizontal output voltage increased above 33k.
You have to check the power supply stage of you tv. Normally in sony tv dry soldering can happend in the power supply stage. It will lead to unregulated voltage output from the power supply. Resolder all the points in the power supply section it will solve your problem.
ok

Jul 07, 2011 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

Aprrox 1994 or 95 Trinitron. After TV on for some time, a sudden "lightening flash" image and the set goes off. Unless we wait a while, it'll happen soon again. Sometimes there's a red light...


Sounds either like you have cold solder joints on the power supply board that after the set has been on for some time these connections heat up and lose contact...or it may be the power supply itself is heating up and going bad..causing the set to shut down. If you can solder...open the unit up and look at the bottom of the board...the solder connections should be clean and shiny..if they look like they have cracks around the pins of the components then they will need to be resoldered to resore the proper functioning of the set...if soldering doesn't help, then you will need to have it serviced at a shop

Feb 02, 2011 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

My sony trinitron KV-32hs500 blinks sometimes 5 sometimes 6 and sometimes 7 times....is their anyway to fix this


Hello Fixya Customer,

Thank you for your question.

Based on your symptoms, there could be several possibilities. The power supply, deflection, and high voltage circuit.

A common fault is in the High Voltage power supply circuit, and it can be corrected by repairing or replacing the main board.

Thank you for using Fixya, and if you should have any additional questions, please ask.



May 01, 2010 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

I have a Sony Trinitron KV-32HS500 that won't turn on. It blinks 7 times. I was told it was a power supply problem. What part do I need to fix this?


The Power Supply/ Deflection Board is called the "D" Board. Replacing this Board should fix your problem. You can try to order one from Sony at 1800-222-SONY. If it is not available, you will need to send it to Sony for them to rebuild it. That will cost around $400.00 or so.
I hope this helps,
Skyassoc

Nov 14, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony trinitron KV-32HS500 won't turn on, stand by lights flash 7 times. If we leave it off for a day or 2 then it will start again. What is wrong and how do I fix it?


I have this Sony KV-32HS500 DA-4 chassis complete service manual,i can email you the power supply circuit or any other parts you may need.Its about 18 megs in size.

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

3 Answers

Sony FD Trinitron WEGA KV-32HS500 32" just stays on standby & blinks 7 times give no indication there were any probems.- wont turn on when you push the power button it acts like it is going to come on...


we have the same porblem. We just unplug ours and wait a couple of weeks while watching another tv plug and un plug it will eventually come on then we dont turn it off again it only goes off if the power goes off.

Jun 07, 2009 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

Sony tv will not turn on


the power supply is a switched mode. you need to take your tv to a w/shop, and let them check the following.
powersupply rectifier diodes, power trasistor lekage,
diodes, zener diodes,
if a 90-110 volts to the line trasistor,
a line transistor be checked.
the tv simple problem

Mar 29, 2009 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

Sony KV-40XBR700


If the display seems normal when present, you may have what is called a 'cold solder joint,' possibly in the area of the horizontal power supply. This can be caused by normal heating and cooling of a particular spot on the circuit board that finally fractures the solder and making the joint thermally sensitive.
Most component failures, even when intermittant, would affect the display in some obvious way such as distortion, contrast, brightness, etc.    

Dec 16, 2008 | Sony KV-40XBR700 40" TV

1 Answer

Sony Trinitron kv-32hs500


plug out the tv and let it stand for about 2hrs so that it can reset itself if that does not work take the set to a tech for repairs the problem is in the power supply and related circuits good luck.

Apr 02, 2007 | Sony FD Trinitron WEGA KV-32HS500 32" TV

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