Question about Mitsubishi WD-57734 57" HDTV
Ebritton..had same issue with its bigger brother the wd65733..white spots and black specs..started out as 2..with in 2 weeks hundreds and hundreds of them.. I RESERCHED ONLINE IN MANY FORUMS..concluded it's the dlp chip .. IT'S LOCATED ..on the back of the circuit board inside the light engine assembly.....i found tvbservice on ebay had the chips in stock...mine was 300.00 ..IT WAS VERY EASY TO REPLACE...just a phillips screwdriver and a small flat blade screwdriver to remove the dlp chip itself....just make notes on exacty where the screws come out of to save you time..there is a thin metal fan assembly attached to the circuit board..remove it and un plug about 8 harness plugs...again take notes..draw pictures...so you dont plug them in wrong..TAKE THE SCREWS OUT OF THECIRCUIT BOARD AND HEAT SINC...THERE IT IS...vaccum all the dust off the board and heat sinc,,fab ect...handle the metal fan assembly with care..it bends easisly and may hit the fan blades when reinstalling it..trust me on this lol...had to take it off and straighten it up
Posted on Sep 13, 2011
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