Question about Mitsubishi WD-62725 62" Rear Projection HDTV-Ready Television

1 Answer

Red light Replaced lamp. Female connectors were never secured inside unit. Reoved back panel and secured female connectors. Installed new lamp. Strted TV, blinking green then the red light of death...Removed interlock switch and tried again....light would come on for 10s, then off for ~30, then on for 10, then off and the indicator light shows red. Ballast? Connection?

Posted by vmantri on

  • 1 more comment 
  • vmantri Apr 10, 2008

    where can I get schematics (PDF?) of the area to replace caps?

  • vmantri Apr 12, 2008

    Update: I did nothing to the TV but just powerd it up thi monring. Now, they TV stays on and I get very ppro picture quality. Grainy lines appear and disappear on screen. Colors are not true. The bulb is staying lit and I can circulate through the TV menus.

    IS this stil a cap problem or something else?

  • vmantri Apr 19, 2008

    The Jamicon capacitors were indeed one of the issues. There were four (4) 16V 1000uF caps and two (2)Nichicon 10V 3300uF caps swollen and these were replaced. I bit the bullet and got a local Mistu tech to come out and replace the caps. The lamp now lights and I thought all was good but it appears (according to the tech) that the FMT board is having problems. This is the second issue. The tech had two other units (boards, rack, power suplpy etc...) pulled from other TVs ready to ship back to Mitsu...apparantly Mitsu does not just sent out replacement FMT boards and they are having the whole components pulled from tvs and then shipped out to MDEA. So while my lamp lights, there are still intermittent video distortions on the screen that appear every 10 seconds or so. Great picture one minute, then a fuzzy disturbance for ~1s then great picture again. I am hoping the FMT board does not go b/c that will add to my already growing repair bill...



1 Answer

Sonny Berry

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There are two 3300Uf @ 35V capacitors that will cause that problem they are located on the PWB. they are right next to each other and the only ones with that rating on the PWB board

Posted on Apr 10, 2008

  • 1 more comment 
  • Sonny Berry
    Sonny Berry Apr 10, 2008

    I would recomend going to the following link you can get the full service manual emailed to you for only 13.99 and they will provide free tech support by on line instant messaging with a support tech. That chassis is a little complicated to get aprt but the manual clears it up and with the tech support you shouldnt have any problems as its a straight forward repair. heres the link they email the manual within minutes of purchase.

  • Sonny Berry
    Sonny Berry Apr 12, 2008

    the mitsubishi dlp has the jamicon capacitor issues with the PWB, FMT and DM boards. the failure of the lamp to light is the two 1000uf caps on the PWB. any streaks or distortions too video is vauased by three bad 1000uf caps on the FMT, and then there will be a symptom of the green status light constantly blinking without stopping and no start up and that is caused by four bad 1000uf capacitors on the DM board. What happened was mitsubishi got a bunch of bad capacitors and they will need to be replaced. I am one of the repair techs at the link I posted above. That chassis is a bear to get apart, but the repair is a straight forward repair once you get to the boards.

  • Sonny Berry
    Sonny Berry Apr 21, 2008

    Thats the capacitors causing the problem on the FMT the board needs the 4 jamicon 1000uf @35V capacitors replaced



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