Question about Televison & Video
I was recently given this TV I took it apart and checked the caps on the DM board .They were already replaced so I checked to make sure they were correct and installed correctly, they were. The TV has no power, no lights, nothing. All the fuses check good. I started checking the power supplies for the low voltage and standby so far everything is ok. Any ideas? If the DM board is bad will that keep the whole set from trying to turn on?
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Posted on Jan 02, 2017
SOURCE: Mitsubishi ws-65513
Have you looked at the DM board fix yet that's available here. http://www.fixya.com/howto/h154057-mitsubishi_dm_board_repair Check it out. If the inside of your TV set does not look like this, you will need to get the service manual to disassemble the set and get to the DM board, but use the rest of the guide to repair the board. If you are successful, you will save almost a 1000 bucks! Good Luck
Posted on Jul 14, 2007
Two choices =
1) Replace DM MODULE. 650.00 is right.
2) Rebuild DM MODULE. Done right = a little less than Mits.
Caution: High degree of skill needed and ask about warranty
in either choice.Rebuilds usually cover only parts installed,
not complete module.If you do the research on repair,you
will find pin push reset does not work,in most cases....T.
Posted on Nov 05, 2007
The four cap replacement in DM module repair is simplistic
and incomplete, as you found out. ALL defective DM modules
have bad SMC's ( small "top hat" caps) AKA surface-mount
capacitors that can be changed only by the most highly skilled
bench techs. We used to change out hundreds years ago in
camcorder circuit board repair.DM board repair is a much more
accessible,thus more "do-able". For more info.............T.
Posted on Nov 05, 2007
SOURCE: using a higher voltage cap
You can use 16v or greater = I ordered 25v to keep the size down, 35v is ok,if you must,you can lean them over 90 degrees.
there is plenty of room............................T.
Posted on Dec 12, 2007
Hello all. I have fixed my green blinking light problem on my Mit. 65513 rear project. hdtv. It is on now as I'm writing. I replaced 4 capacitors on the DM board (largest vertical standing board). I used a desolder tool from RS($15).I practiced on a discarded board first. I replaced the caps with 4 radial capacitors rated 1000uf 16v. 105 degrees c and was sure to match the polarity markings on the board(+/-)with the markings on the capacitors. That's it! I also installed a small 12v PC fan(wired to a 12v wall adapter) on the DM module casing with zip ties. You may also use 1000uf 25v 105c caps. I hope this helps-good luck!
Posted on Jan 30, 2008
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