Question about Mitsubishi Televison & Video
There is DM board in this Mitsubishi WS-55515 rear projection tv and its common problem of DM board that its electrolytic capacitors got leaky and causing that problem (green blinking light and tv does not turn on)
Replace capacitors of DM board and problem will be solved.
If you have no experience of parts replacement in tv circuit board then call local tv repairman to do that work for you.
Hope these info will help you.
Let me know if you have additional question.
Posted on Jun 03, 2010
Thanks for using FixYa. The green LED on the front panel of the TV that normally blinks when turned on after a power failure or when unplugged: the green light is supposed to flash for about 1 minute while both microprocessors boot up: If it won't stop blinking it means that they aren't communicating with each other. This issue is due to 1000uF/16 volt power supply capacitors in the "DM module" (one of the two onboard microprocessors). These capacitors are apparently small as compared to load they get & due to this they will eventually fail (usually after about 3 years). Or else they fail when there are voltage fluctuations in the circuit above 16 volts. It is recommended to install either 1000uF/25 volt or 1000uF/35 volt capacitors as replacements, so that they will be more than ample to handle any voltage spikes that will occur. To do the repair you’ll need to take the back off the TV apart in order to remove the faulty DM module and need to desolder the old capacitors on DM board and install. Also check the grounding straps which are essential to the proper functioning of the DM module. All this is only recommended to be done by someone who has electrical expertise and know how to solder/re-solder components. Please do accept the solution if the issue is resolved or post a comment for further assistance.
Posted on Jun 02, 2010
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Posted on Jan 02, 2017
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