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We watch the tv for 15 min up to 2 or 3 hours and every now and then the picture turns off the sound stays on we hit the on button on the remote and it comes back on. THe green light blinks untill it

IT is a 55" Sony WEGA KDF-55WF655

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  • Televison & ... Master
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These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can vet an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. http://electronicshelponline.blogspot.com/

Posted on Dec 31, 2013

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jupits69
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SOURCE: KV HR36 Sony Wega, 10 blink and turn off...

try to replace the horizontal out transistor

Posted on Jul 18, 2008

  • 61 Answers

SOURCE: Sony Wega 40" TV will not turn on, standby light blinks 6 times repeatedly

Hello,For model KV-40XBR800,

Pls check following area.

Low HV Shutdown:
On the D Board.
Check IC8004/pin 7 should be 7.4v.
Check IC8006/pin 2 should be 2.5v if lower will trigger shutdown by causing pin 1 to turn on.
Check IC8006/pin 3 reference voltage 2.2v.
IC8006/pin 1 normally at 0v. If high
turns D5007 ON which turns the latch circuit Q6532,
Q6530, and Q6527 ON and turns the AC relay RY6501 OFF.

And NOTE: 6 blinks also can be Low B+ protection.

Unregulated 7.5 v from the power supply to 5v reg IC504 on the A Board. 5v to M Board Q2314

to CPU IC2300/pin 43. If 5v missing set will shutdown with 6 blinks.

Good Luck
Dals123

Posted on Oct 15, 2008

welcomejee
  • 10594 Answers

SOURCE: SONY KDF-E55A20 5 red blinking lights on power button

Hi,
Symptom shows Lamp is weak in result and causing restart of TV again and again. Your TV requires new lamp as per following part number...
A1085447A* LAMP BLOCK ASSY XL-2200U
It is available in Sony Accessories Store for $200 and replacement procedure is written in instruction manual of TV.

Always buy Sony original lamp for TV and avoid aftermarket / cheap lamp for TV safety.

Posted on May 18, 2009

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1 Answer

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Assuming it is not hardware but soft settings...
1) Check and make sure that your TV does not have the timer set.
The Timer feature allows you to set a day and time for the TV to turn on automatically and the device and channel to display when it switches on. If the TV is already on at the requested time, the TV automatically tunes to the channel you designated in the Timer menu.
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ok

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