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

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Posted on Aug 21, 2007
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Turning on won't turn on and standby light flash on and off.

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Anonymous

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  • Master 6,966 Answers
  • Posted on Aug 21, 2007
Anonymous
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Joined: Apr 06, 2007
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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.

  • 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
  • Posted on Sep 23, 2007

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

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Anonymous

  • 158 Answers
  • Posted on May 16, 2011

SOURCE: When I turn tv on

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

Anonymous

  • 2992 Answers
  • Posted on Jun 08, 2011

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.

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Luxor tv flashing standby light

The flashing standby light on your Luxor TV can indicate several things, including:
  1. Power supply issues: If the TV is not receiving proper power, the standby light will flash.
  2. Malfunctioning hardware: A malfunctioning component in the TV such as the power supply, main board, or backlight system can cause the standby light to flash.
  3. Overheating: If the TV is overheating, it will go into protection mode and the standby light will flash.
  4. Software issues: A software glitch can also cause the TV to display a flashing standby light.
If the flashing standby light persists, it's best to unplug the TV, wait a few minutes, and then plug it back in. If the problem persists, you may need to contact the manufacturer or a professional repair service for further assistance.
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Usually Sony and LG Blinking Codes are the same. Here is what I have.
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  • Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit,
  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted.
  • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. In addition, unit could be in IK blanking, try turning up screen slightly.
  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately.
  • Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.
  • Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code.
  • Nine blinks - Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing Make sure the regulator is -12 or -13 (negitive).
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Doesn't power up. Red standby light flashes.

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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