Sony FD Trinitron WEGA KV-34HS420 34" TV Logo

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

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Turning on won't turn on and standby light flash on and off.

Posted by silver88 on

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Anonymous

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  • Master
  • 6,966 Answers

Hi, The number of flashes (on/off) is indicative of a code. The code represents a particular problem. For example on some versions, 3 blinks indicate diagnostic mode where the builtin protection has kicked in (very likely a powersupply problem), 5 blinks indicates a video controller fault (possibly picture tube drives). Unfortunately this require the services of a qualified TV professional very familiar with Sony WEGA. In some cases this type of errors can be corrected by a hard reset, while others still would require board replacement (expensive) or hopefully component level repair. Good luck and post back should you need further information. kind regards.

Posted on Aug 21, 2007

  • Anonymous Aug 21, 2007

    Hi again,
    By hard reset, you have to unplug the Sony from the mains for a couple of hours (about 5 hrs)

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3 Related Answers

Anonymous

  • 12 Answers

SOURCE: Sony KV-32HX15U Flashing standby light

did you ry to unplug from the wall for at least 3 min then plug back in if that does not work try pushing the tv button and reset at the same time on the remote for 1 min if this does not work please take it to a repair center

Posted on Sep 23, 2007

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Anonymous

  • 158 Answers

SOURCE: When I turn tv on

Check the power supply mainboard if there are inflated electrolytic capacitors, to replace them.

Posted on May 16, 2011

Anonymous

  • 2992 Answers

SOURCE: TV won't turn on with

The flashing timer light blinks out a code, where it flashes some number of times, pauses, then repeats. The code indicates what fault is keeping the set from coming on. Unfortunately, all the codes tend to mean that there is some electronic problem with the TV. Unless you have some electronic servicing skills and the necessary equipment to troubleshoot the problem, you'll need to have set checked by a professional. For any code there can be many causes, so I can't offer any other advice.

This might be a good time to check sale prices on LCD sets. Let a technician check the set and give an estimate for the repair, then decide.

Posted on Jun 08, 2011

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Usually Sony and LG Blinking Codes are the same. Here is what I have.
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How many times does it flash?

Odds are the A board components. Let me know how many times the stand-by light flashes, and I'll tell you want the fault might be.
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Ur high voltage is dying.The block of plastic with a red wire with a cap hook to ur CRT(tv tube).The FBT,it call the Flyback transformer,that is dying.That must be replace.
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