FixYourDLP.com Forums

Just a quick update for anyone having video problems with the Samsung Series 7 LED big screens - FINALLY found the source of my problem and FIXED this beautiful TV! Frankly, was just about ready to junk it after replacing the sub-power asy (typically a high fault rate component due to bad capacitors...

Well, even if the entire LED Series 7 light engine is avail, I understand the cost would be almost $1000, which even the Samsung tech said makes no sense (better to invest the money in a brand new LCD or plasma tv). Just gonna have to take some time and figure out which component has failed so I can...

Latest update - had Samsung tech look at it and confirmed main board and both power supply boards are good. Definitely a problem with the light engine. Any advice on most likely failures? Plan to try DMD board, then LED Driver Board... Anybody been down this road before??

Yeah, have Samsung service manual and was gonna try and troubleshoot voltage output from DMD board, but the multi-pin connector is so small I'm not sure how to go about it using my regular multimeter...

Nope, no picture distortion or anything - just turned it on after work and no workie. Not sure what part you're referring to when you say LCD optical block, I'm just replaced the kinda triangular shaped submodule power supply mounted vertically at the very back right side because it sounded like a c...

HL67A750 LED set just died without notice... Tries to power on 3 times in a row with musical chimes (no picture or sound), then just gives me the 3 flashing lights up front & nothing! Set is just over 2 yrs old and has always worked fine - now nothing. Removed back and observed all 3 fans runnin...