Question about Sony KDF-E55A20 55 in. LCD Television

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The image and the sound of my Sony turn off for about 45 seconds and turn on for 30 sec. repeatively and the cooling fan keeps running and the green light stay open and not flashing. Do you have an answer for me? thanks.

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You have a bad lamp. That's how a lot of sony dlp's will do when the lamp is about shot. I've replaced many of them at our shop for the same problem. You'll probably get the best deal on one at ebay. They are very simple to change, especially if you buy one already in the housing. Just type in your model number and the word "lamp" in the ebay search bar, and they will come up.

Posted on Jul 30, 2010

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Yes, answer is your lamp is reaching to end of its working life span and need to be replaced.
Above symptom comes when lamp got weak in result but has not been broken because lamp light will lit on broken lamp.
Replace lamp in tv if it has not been replaced in last 2-3 years. Lamp replacement procedure is written in user manual. Let me know if you need more help.
Thanks.

Posted on Jul 30, 2010

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Picture goes on for 30 sec. then off for 45 sec.,power/standby lite then blinks.can this be fixed or thrown out.SONY KDF-E50A10


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PICTURE AND AUDIO TURN OFF FOR ABOUT 45 -60 SECONDS AND THEN COME BACK ON. THIS HAPPENS REPEATEDLY BUT DURING THAT TIM THE GREEN LIGHT STAYS ON ALONG WITH THE FAN.


Dust has colected inside and fan is ot cooling the lamp adequately so there is a safety sensor to prevent overheating. Carefully remove the back panel and vacuum the dust out of the back and the fan. The better you clean the longer the problem will be fixed!

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Turn on and screen goes blank after 45 seconds


Hi,
I found the problem was related to the lamp. Your TV power up but then the lamp would overheat and automatically shut down (audio and video) resulting in a dark screen with no sound. Once the lamp cooled (30 - 60 secs) it would come back on. Then overheat, turn off - recycling "eternally". A new lamp will solve the problem

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Picture & sound go on & off every sec, red light blinks 5 times


helloFive 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. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

shaun

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2 Answers

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1 Answer

INTERMITTENT PICTURE AND SOUND


You were told correctly, you have a bad lamp. When the lamp gets old, the reflector becomes cloudy and instead of reflecting the light, it converts it into heat. As the lamp heats, it draws more power, eventually too much power and the set "recycles" because the lamp is drawing too much power. Replace the lamp, use an original Sony lamp as the aftermarket replacements are known troublemakers. If the bulb fixes the problem (and I know it will because I fix these TV's everyday) be sure to rate this solution. Thanks!

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