Question about Sony Grand WEGA KF60XBR800 60" Rear Projection Television

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Standby red light flashes 6 times then stops for a few seconds then flashes again, no picture or sound

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  • redbeamer03 Jun 29, 2009

    when i turn on tv green light flashes 5 times,stops for a few seconds....then red light flashes 6 times....stops for a few seconds...red ligth keeps flashing 6 times after brief pause.

  • redbeamer03 Jun 29, 2009

    Thanks blueextc3221......forgot to give you model no. kdf-60wf655.......looks like i am getting closer to a solution.....thanks again.

  • redbeamer03 Jun 29, 2009

    helpful...i hope it will be...i will let you know as soon as i solve the problem. Thank you.

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Please use the "Continue With This Expert" option and confirm the model # of your TV if it is not as listed above.

6 red flashes for sony WEGA Rear projection indicates the following....

A 6 flash shutdown on this set is a low B+ shutdown, usually caused by an open thermal fuse. The fuse is a small black plastic device mounted right above or just below the lamp. It usually fails when the fans become clogged with dust, especially the squirrel cage or sirocco fan mounted on the optical block and used to cool the lamp.
There is a Thermal fuse that has blown. Simply replacing the fuse may not clear up the issue... as it may blow again if there is a large dust build-up or a faulty cooling fan.

There is no way to tell if the fuse is blown by looking at it. It is a small black plastic device, maybe 1/8 of an inch square. The only way to tell if it is blown is to measure the resistance of the fuse. High resistance or infinite resistance means the fuse is blown, low resistance (under 1 ohm) and the fuse is good.
The fuse is only accesible by removing the back panel and further removing the optical block from the set.
If you are willing to open up the set - and have the knowledge to discharge the stored electricity - go for it.

The cost to repair is mostly labor. I would estimate between $250 - $350 in labor. The part is cheap, no more than $20. Please PLEASE disregard any writing you see on the net regarding just disconnecting the old thermal fuse and plugging in the new one without removing the old fuse and properly remounting the new fuse. This is a safety component and if you do it the way I have seen some people suggest, I would make sure your fire insurance coverage is good. If you wanted to do this yourself, the proper way is to remove the optical block from the set so that the old fuse can be removed and the new one installed AND the fan can be taken off and cleaned to prevent a recurrence. The first thing I would suggest is to get a service manual as it has good instructions for taking the set apart.
You could have a power supply problem causing the 6 flash shutdown, but that is rare on these sets.

We never suggest opening up a TV for first timers - as there are potentially lethal amounts of stored energy that need to be properly discharged before attempting repairs.

Thanks for using FixYa.
Good Luck!!

Posted on Jun 29, 2009

  • blueextc3221
    blueextc3221 Jun 29, 2009

    It's definately the thermal fuse that has failed.

    It's located under the lamp. (Inside front center of the TV accessed from the back) The
    fuse itself is circular with a flange that is used to screw it to the bottom of
    the TV.

    Two wires connected to the fuse go back to a two pin microplug connected
    near a wire harness easily accessable at the back of the TV. Grey and white wires going to it.

    The fuse is about $8 clean out the cooling fan and you're good to go!!

    Visit Sony.com to order a replacement - or just about any repair shop would have them laying around.

    Take out the old one - and take it in with you. (pretty sure the part # is 1-910-006-44 or 1-910-023-93 )


    If you are apprehensive - this site offers step by step instructions and a copy of the TSB for $12 so you can do it yourself.


    If you are satisfied with this answer, please rate as FixYa - so the award is distributed to my account - as if you reply - I have only 4 hours to answer - or the question goes back out into the general queue pool - and I'm headed to bed :D

    Thanks again for using FixYa!!

    Good Luck!




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Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards).

pls contact a technician to check these

Posted on Jun 29, 2009

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