Question about Sony KDF-E50A12U 50" LCD HDTV

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Kdf-e50a10. tv was working for 1minute then turned off and green LED flashing for about 1 minute then turned ON again. it repeated every minute.

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  • Expert
  • 56 Answers

Replace the ballast power supply block that will solve the problem .its on left side back of the tv by the fan

Posted on Mar 01, 2012

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Posted on Jan 02, 2017

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SOURCE: TV shuts down

Remove the lamp assembly, There will be a screen on the top and bottom of the assy remove all dust from these screens. also check the tube at the top of of the lamp receptical this is an air cooling pathway. reassemble and fire it up. This worked for me and saved some serious coin judging from some of the other solutions I have seen (lamp and balast) ouch!!!

Posted on Jul 06, 2007

  • 41 Answers

SOURCE: Sony KDF-55xs955 TV will not turn on. Red LED flashes 6 times.

This sounds so simple, but this is what i gathered from Sony's website. Sounds to me like it may be a service issue.

The STANDBY light will flash if the television detects an issue within the television. Some of these issues can be resolved simply by following the steps below to reset the television.
If the issue is still unresolved after following all of the troubleshooting steps, service may be required . Please note the number of times the STANDBY light flashes and relay that information to the service center.

  1. Turn off the television. IMPORTANT: For a projection television that uses an internal lamp, wait 5 minutes after turning off the television to allow the lamp to cool before continuing with the following steps.
  2. Unplug the television power cord from the electrical outlet.
  3. Let the television remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.
  5. Turn on the television.

Posted on Dec 05, 2008

ripleymojica
  • 643 Answers

SOURCE: sony kf-50we610 power led flashes red 5 times

Needs new lamp or the fan is out.

Posted on Jun 02, 2009

  • 35 Answers

SOURCE: sony lcd projection tv kdf-502000 keeps turning

time to replace the lamp

on rare occations the ballast as well

Posted on Oct 13, 2009

  • 1 Answer

SOURCE: Red Light Flashes twice KDF-E50A10

I just went through the same problem. I replaced the bulb myself and when i put it back together it turns on then goes out. I had 3 red lights. i checked the trap door and the lamp assembly many times and it wasn't that. I finally took it to a repair place and they told me it was a power supply issue. $200.00 total to fix. Works fine now.
Hope this helps a little...

Posted on Nov 23, 2009

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I have a sony wega kdf-e50a10 I replaced the lamp and the tv still does not come on. when plugged in the green light starts to flash this happens for about a minute before it goes to flashing red...


Without having a technician there to diagnose this problem is going to take some troubleshooting. First, I would take the lamp back out of the TV and then reinstall it and try turning the TV on again. If that does not work there could be numerous things wrong with the TV. The heat sensor in the TV could be bad or the actual light engine, which is essentially the heart of the TV, could be bad. If it is the light engine then it is cheaper to buy a new TV.

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Model no. klv-22bx300 problem- green light


my sony KLV-22BX300 Tv when turn power on green led blinking,
and menu function not working properly

Jul 19, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

KDF-E50A10 TURNS ON THEN FLASHES GREEN FOR ABOUT A MINUTE THEN KEEPS FLASHING RED .WHATS WRONG?


# of red flashes = error code.
3x = lamp door or lamp not fully inserted
4x = fan error
5x = lamp driver error
6x = power supply or thermal fuse blown

Jun 12, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

2 Answers

The tv will turn on but no the screen wont. and


Replace the lamp would be the first thing to try. Lamp door switch on this model is notorious for going bad. If you replace lamp and still won't turn on jumper door switch. If you take off back you can see switch board.

Nov 21, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Hi. My sony KDF-E50A10 will turn on for about 30 seconds, then the picture and sound go off, the standby/power light flashes 49 times green and the set turns back on. After 30 seconds, the same thing...


tv works for about 2 minutes, then shuts itself off. the red standby light flashes 50 times, then the tv. comes back on for approximetly 2 minutes then goes off again, only to repeat again

Sep 28, 2009 | Sony KDF-E50A10 TV

1 Answer

Sony KDF-E50A10 50 in. HDTV stays on for 25 - 30 minutes then shuts off by itself power stand by light flashes green and turns back on in about 20 seconds by itself. can you help?


Hi, Lamp of TV getting weaker and requires replacement. This shut off by itself will increase day by day until you put new lamp in TV. Always Buy Sony original lamp and avoid aftermarket/ cheap lamp for TV safety.

Jun 09, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

KDF-E50A10 - TV keeps turning off and on


It sounds like it is just the lamp, be sure to replace it with an original Sony lamp, the replacements are unreliable

Sep 28, 2008 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Sony KDF-E50A10


Have the Ballast (power supply to the lamp) replaced.

Jun 23, 2008 | Sony KDF-E50A10 50 in. LCD HDTV

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