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I replaced the lamp, when power button is turned on (after plugging in the tv), green light blinks, then turns on (3-7 secs) then goes to blinking red light.

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  • eferrer Sep 15, 2010

    panasonic pt43lc14 lamp replacement. the previous lamp that i replaced on inspection had the wires close to the screw looking like it was subjected to extreme temperature (wire sheaths crumbled on touch)

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  • Master
  • 10,594 Answers

Hi,
Let me know model number and brand info of your tv to diagnose possible cause of problem.
If its Sony tv then make sure lamp cover has been fixed back in its position securely, lamp cover is first plastic cover that was removed from tv to replace lamp.
Thanks.

Posted on Sep 15, 2010

  • 5 more comments 
  • Shahid Electronics
    Shahid Electronics Sep 15, 2010

    DLP lamp always have very high temperature that is why exhaust fans are used in tv to maintain temp.
    If you put new bulb in old lamp cartridge then recheck bulb connections and make sure lamp has installed correctly in lamp box in tv, make sure lamp cover is back in place and turn On tv.
    If tv still shows problem then count red light blinking and let me know.
    Thanks.

  • eferrer Sep 15, 2010

    new bulb in new cartridge put in this time, i screwed the lamp in snugly, plugged in the tv set, turned it on. Power button blinks green several times, green light becomes steady for a few seconds then goes to the red blinking light mode: no set pattern - just regular blinking thereon.

  • Shahid Electronics
    Shahid Electronics Sep 15, 2010

    OK, sounds ballast supply board problem
    ballast board drives that lamp.
    Did tv showed lamp replacement message or old lamp was broken?


  • eferrer Sep 15, 2010

    is that something i can do myself meaning the ballast supply board? the old lamp popped all of a sudden without warning (filament was shattered to pieces) that's why i bought the replacement lamp/cartridge thinking that it would be that simple.

    (added note: this lamp that just got busted is less than a year old. I replaced it myself )

  • Shahid Electronics
    Shahid Electronics Sep 15, 2010

    Ballast supply board replacement is job of pro.
    Just make sure lamp cover has been fixed after lamp replacement as this cover engages safety switch inside and if that switch is open, tv wont turn On.
    Thanks.

  • eferrer Sep 15, 2010

    Ok then, then i guess i've done everything that i can do and it'll have to be a professional then. thanks.

  • Shahid Electronics
    Shahid Electronics Sep 15, 2010

    OK, Thanks

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