Question about Sony Grand WEGA KF60XBR800 60" Rear Projection Television

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Turns off turns on standby light flashes

The same others describe. I read your solution and wonder how much it will cost to have the horizontal sweep adjusted or the vertical power supply replaced. Thank you.

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  • Frank Monaco May 06, 2008

    Hello,

    Yes I have the same problem, after 2 minutes the Sony will turn off, if I do nothing it will eventually come on then off again and repeat the same thing. When it goes off and I turn the power off the power light will blink 5 times and will do this a few times then the set will shut off. The picture is as bright as usual when on and I can hear the fan running.

    Is it possible the light can be drawing too much current, or some kind of sensor for the fan that can be plugged?

  • Frank Monaco May 06, 2008

    Hello,

    Yes I have the same problem, after 2 minutes the Sony will turn off, if I do nothing it will eventually come on then off again and repeat the same thing. When it goes off and I turn the power off the power light will blink 5 times and will do this a few times then the set will shut off. The picture is as bright as usual when on and I can hear the fan running.

    Is it possible the light can be drawing too much current, or some kind of sensor for the fan that can be plugged?

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  • Sony Master
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Posted on May 06, 2008

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Horizontal sweep absent, is the fault. Vertical sweep is OK. Check for any loose solder terminals or loose connection at the connection goes to deflection yoke. Check all the capacitors related to horizontal scan output. google.com/+GopakumarGopalan

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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site. The search result might display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.

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My KV-36HS500 won't turn on it sounds like it wants to,but no picture,and standby light flashes 7 times,pauses and flashes 7 times again


The 7 blinks indicate that the horizontal deflection has stopped. This can be because the horizontal output transistor has shorted (common) or other defecive parts. If you are familiar with working inside of sets where potentially dangerous high voltages exist and can solder, let me know and additional details and instructions will be provided.

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you have a over current protect problem due to a shorted component in the high voltage circuit. Get it serviced. Est $150 parts and labor.

Jan 21, 2009 | Sony FD Trinitron WEGA KV-24FS100 24" TV

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There is some electronic circuit problem with your TV. Best if you want to repair it you find a reputable TV repair shop. Sorry.

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RE: Flashing "Standby" light


LED blinking Seven times. High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.

Jan 21, 2008 | Sony FD Trinitron WEGA KV-34XBR800 34" TV

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Standby Red Light Flashing


six flashes corresponds to "Horizontal deflection stop". In turn the "supposed malfunction" is then either Q5013 (H OUT) is broken and/or IC507 (H Jungle) is broken.
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Video out, IC7101, 7201, 7301 and others in C board circuit.
Q510, 516, 524 (A board).

There are actually three C boards, the CR, CG and CB boards. They are attached to the rear of the red, green and blue CRTs, respectively. I wouldnt attempt to repair the set myself. I would solicite the services of an authorized Sony servicenter.

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Sony blinking standby light


This is Sony's way of telling you that there is a short in you set.Probably the horizontal deflection circuit.(Horizontal output transistor shorted??). Also any other short. You need to take it to a techincian and have it checked out. It would be wise to get an estimate! Stargazer

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The flashing light is an indication of the sweep falure. Most of the time it is in the sweep output section, like the flyback transformer and or the horizontal output transistor. Most of the time it is the flyback that causes all the problems and componet blowouts in these sony TV sets, but it is also sometimes the vertical output IC that shorts out the sweep power supply. In any case a solid state set is no where to be experimenting around with and should only be worked on by a trained service tech. Good Luck

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3 Answers

The unit powers on and off.


There is a short somewhere in the sweep Horizontal, or vertical, or the sweep power supply has a fault. not really a job for the consumer , unless you know about solid state electronics.

Sep 13, 2006 | Sony Grand WEGA KF60XBR800 60" Rear...

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