Question about Sony KDS55A2000 55" HDTV

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XL 5200 bulb replace and NO Picture or Sound

I just replaced my SONY XL-5200 with BRAND NEW one straight from Sony Retailer. Placed new lamp in, closed & Secured INNER door with latch & screw tightener then outer door as well. My KDS-50A2000 fans come on but NO picture or sound. Green Power light blinks constantly for a few minutes then LAMP light blinks 3 times. I tried depressing the door switch a few times to assure it's not stuck to no avail...PLEASE HELP ! *Can the brand new lamp be bad? This was the WHOLE unit, I did not just replace the bulb.

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  • JerZ ICE May 30, 2009

    I Triple & Quadruple checked the door and it is seated fine. I've unplugged the TV pulled the lamp out and re-installed as per the direction sheet 20 times still to no avail. I turn it on and the Green power light flashes immediately, both fans go on and approx. 7 seconds later the lamp one kicks down to a slower pace as normal operation. Then about 90 seconds later the red lamp light comes on and blinks but it's a STEADY blink not in a pattern of 3 or 4 as I stated before, I watched it and it's STEADY. I even blew out all the dust with an air hose cause I seen someone else's post about that and still no go :(

  • JerZ ICE May 30, 2009

    YES Old lamp finally died 2 days ago after a month of the Lamp LIFE WARNING showing on the screen which kept getting duller and less vivid.



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3 times blink error code shows Lamp Door is not seated / fixed properly, please recheck it and make sure that door close safety switch is pressed as this switch sends error signal to system control chip.

Posted on May 30, 2009

  • Shahid Electronics
    Shahid Electronics May 30, 2009

    OK, if red light is steady / continues blink then it is either lamp or ballast supply issue.
    Was old lamp broken so you replaced it?

  • Shahid Electronics
    Shahid Electronics May 30, 2009

    Right, Please check new lamp in another Sony TV or Sony retailer there you bought it and in worst case ballast supply can be bad too.



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