Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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What does it mean when my sony trinitran wont turn

TV won`t turn on. The stand by light blinks about 7 times.

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  • Raymond Zwiefka Apr 15, 2009

    I thought Sony was suppose to be a quality product.

  • Raymond Zwiefka Apr 16, 2009

    can u give me a ballpark dollar amount on how much this will cost-parts and labor?

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Hi rayz1969,
7 blink refers to "High Voltage Shutdown"...
  There might be millions of reasons and it's not possible to discuss each and every aspect in detail as it might take months to discuss those.
This means that the high voltage has exceeded 33k and unit goes immediately into safety shutdown.
This can be as small issue as power supply problem or might as big as the blowing of circuit board. These all blinks can be misleading sometimes. Many people would say, its a big issue and it's much better for you to replace the set.
  It depends, like if that's a small fault, you can fix that unless i would advise you to seek local tech for repair. You would be able to know an idea how much it might cost you.
 Usually what i have seen it might cost you 200 bucks if that's a major issue and even if you pay it would not guarantee the set......

Take a voltmeter and check the voltage across the circuit board in it.
Note :- 90% of such cases - 7 blinks - you need to replace 'D" board.
Thanks for using Fixya.

Posted on Apr 16, 2009

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  • Master
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THIS HAPPENS WHEN THERE IS GROUNDING..... THE SEVEN BLINK STANDBY MODE IS ACTUALLY PROVIDED TO SAFEGUARD UR TV...

U NEED TO UNPLUG THE TV FOR 4 TO 6 HOURS .... ONCE ITS DONE... AND WHEN U SWITCH IT ON AGAIN IT WILL WORK FINE

,EVEN I DID THE SAME THING ..... I unplugged it for 4 hours. The t.v. is back up and running fine. It's a nice t.v., better than the plasma I paid over a grand for, that's already shot. It's a good t.v. and good that Sony put in the stand by protection to prevent the t.v. from dying an unnecessary young death. Patience, don't rush it, unplug the t.v. and leave it sit. Also, don't use a power strip, that was my mistake, and unplug your t.v. if storms are in the area,


thank you
hope i was of help
have a nice day

Posted on Apr 15, 2009

  • SAM JAYANTH CHANDRASEKAR

    hi this s iversh again...


    seven blinks means "Horizontal Deflection Stopped" so even after keeping it off for a while and still it does the same... There are two components that you should check in the power sup. are
    T8005,and Cap 6532....you might need replacement of these two ICs as well.... IC6501 & IC8002... this is not a job for u... call upon a repair guy.... as connecting capacitors backwards will wreck havoc to ur tv... it might short...

    thank you
    good luck with ur tv


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