Question about Mitsubishi WS-65815 65" Rear Projection HDTV
Hi, I have a projection TV model WS-65815. It does not respond to remote control or front panel. I have tried unplugging and plugging it back in. The light flashes normally (fast for 70 sec.) and I can hear the fan working fine as well, but it still does not respond. I have tried the reset button also. I held the device and menu buttons for 5 seconds to display an error code (if any) and it gave back a code 12 which means no error was detected. I have taken a look at the circuit board, but do not see any visible issues with the capacitors or anything else out of place. I find it strange that it was working fine one night and the next day it would not turn on at all. The problems started when the TV would freeze when I pushed the Device button on the remote control to try to put a DVD on. The sound would continue playing on the channel I had it on, but the screen froze until I turned the TV set off and turned it back on. The menu did not display at all. It simply froze the instant I would push the Device button. Any suggestion as to what it could be, or is it really necessary to take to a technician? It is a heavy TV and difficult to transport about 20+ miles to the nearest repair technician. I also do not want to end up paying more for repair than a completely new TV.
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Posted on Jan 02, 2017
if the remote eye on the tv it will do all kinds of strange stuff once the eye on tv gets dirty the the tv will shut off after 2 seconds try cleaning it and see what happens the eye on tv is hard toget to so get a can of air to blow it out i took my pocket knife to clean mine i know that was ruff on eye but thats all i had if this dont work try unpluging your control board on front of set board may be bad or buttons are stuck email me at firstname.lastname@example.org if this helps
Posted on Dec 06, 2007
You need to replace the 1000uf capacitors on the DM board thats the classic symptom of the DM caps being bad the light continues to blink repeatedly. If you need more info on the repair let me know.
Posted on May 16, 2008
I have had my WS-65511 fail like this, first at 4 years, second 2 weeks later, then 3rd time yesterday (4/14/2009). In past, the tech replaced a thermal sensor p/n 299P313010A (but Mitsubishi says that part is not for WS-65511 and that it does not have a thermal sensor - go figure). It is a white rectangle with about 30 pins in 2 rows and is soldered onto a board in the TV. List price is about $25. Might be your problem.
Posted on Apr 15, 2009
You need the WS55909 - WS73909 DM kit. You can get it at the following link which contains the capacitors and the CD with instructions on how to do the repair.
Posted on Jul 18, 2009
Only one of two reasons for your problem--either the DM is bad OR:
These sets sometimes develop a problem with the front keyboard---micro switches in back of the plastic buttons can fail (reset one is common).
Remove front speaker grill and inspection plate behind it and follow the group of wires coming down from the front keyboard to the right top edge of the opening.
About 8 inches to the right you will find two plugs that are inline--they go to the keyboard--disconnect both and turn set on with REMOTE (remote receiver is behind the screen).
If the set now functions you have a bad micro switch on the keyboard (most likely the reset) and two choices---either leave the keyboard unplugged and just use the remote or remove entire screen and get at the circuit board and locate and replace defective micro switch.
Lots of people miss this as a possible choice--easy to do to either know it is the keyboard or not.
If set does not operate this way DM is bad regardless of how caps look.
Posted on Feb 08, 2010
Testimonial: "Thanks. I had found and tried the front control panel solution prior to your response but to no avail. Thanks for the help. Take care."
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