Question about Sony KP-57HW40 57" Rear Projection Television

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Tv shuts off by itself then flashes a code 8 blinks

When the tv stays on for a long period of time it starts to turn off and then the button for stand by flashes eight times.

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Eight blinks means, "High voltage error". The probable cause location listed is "T8005 is faulty (D board). T8005 is the fly-back transformer (FBT). or you can replace the full d-board
You may purchase the D board complete for $185.10

or send in for repair here

if one of the crt is shorted it can also cause this problem.

Posted on Jan 30, 2008

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Note: eight blinks can be audio problem after hot....
Check IC406 audio amp, PS401,402..........................T.

Posted on Feb 05, 2008

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TV turns red,shuts off, stand-by light blinking 8Times


Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

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My Mitsubishi Medallion tv stays on for about 10 minutes and then shuts down and won't turn back on until a period of time has passed. It is a rear projection tv about 9 years old. Can anyone help ex


When it shuts off and the green power light goes off, press both the menu and input buttons on the front of the set (not the remote) and hold both for about five seconds and release.

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The Screen Turns Green then shuts itself off? Is this the Bulb or something else?


My sony 65Ws500 model about 4 months ago it started turning the screen all blue as soon as I turned it on. it stayed blue for about an hour then come back on normal now when I turn it on it will shut down and I get a small red light flashing 8 time then pauses and does it again 8 time then pauses then again and so on. I took back panel off. I turn on tv The blue bulb gets very bright and the green and red projection bulb goes out and now it shuts off. and the blinking starts it a code flashing but don't know the code to find out whats wrong. would someone help if u can been wife and I laid off from work 3 months now cant afford tech prices on our employment. wife and I has 2 little girls to raise. along with the rest of u parent out there and one getting employment cant offord repairs. Thank U. Adams01220@yahoo.com

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1 Answer

When I turn the tv on, either manually or by remote, the power stays on for just seconds then shuts itself off.


hello my is rico, check your lamp, lamp cover, fans. second power on the tv when it shuts off itself hold buttons menu and input or device, it will start blinking , it will blink 1 or 2 and then its gone pause for a second andthen will start blinking again count the blinks like, 2,3 -2,2 it means code 23 or 22 and then needs call misubishi for the codes means. if you need more feel free to call at 602-810-7149 at anytime i live in mesa az

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2 Answers

2004 Sony 52" Wega dont turn onnthe stand by light stays flashing. This TV first started by taking long to turn on and now and then would turn off until one day it just didnt turn on and the standby button...


When that model Sony shuts down the LED starts blinking as you say but it is telling you something because it blinks a certain number of times and then pauses and repeats the number of blinks. Count the number and then I might be able to help you narrow down where the trouble is.

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1 Answer

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4 Answers

Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

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you can do a self-diagnosis test by pressing the menu and input/device button on set for 5 sec and see what error code it gives you. Count the blinks followed by a short pause then more blinks. This is the error code.

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Tv turns self off when turned on


Does it blink a certain amount of blinks pause a second or just blink constantly with no pauses? Let me know it will blink a code if its going into protected shutdown. And it will blink constantly for another reason.

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1 Answer

Tv keeps turning off


If it's staying on for just a short period of time it sounds like there is a sensor that is giving the unit a faulty condition (Perhaps for reason or due to a fault in the sensor). There are normally a few temp sensors in the TV around the Lamp and Ballast. They may be bad, or the lamp or ballast is just generating too much heat.

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