Question about Mitsubishi WD-57731 57" Projection HDTV
I've bought this tv 2 yrs ago, and now I'm experiencing no sound, no picture when I turn it on. I hear the fans and it sounds as if the tv is trying to power on but it shuts right back off. Initially, after it shutdown I saw the red light under the LAMP indicator. So I bought a brand new lamp($275) from the Mits part department, carefully followed the directions that were provided to replace my old lamp. I plug my tv back up and I noticed that the red light indicator under the LAMP was no longer there and the TIMER light blinked green, which to me was a great sign, however when I powered my tv on, SAMETHING!!!! The tv sound as if it was trying to power on, no picture, no sound, and eventually turned itself back off...........
Make sure lamp cover is installed securely after lamp replacement in TV.
And if TV still does not power up to give picture and sound then ballast supply could be bad. In that case you should have repair manual copy to check ballast supply input volts.
Repair manual can be downloaded from HERE for small fee.
Posted on Jul 18, 2009
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Posted on Jan 02, 2017
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