Question about Mitsubishi WS-55805 55" Rear Projection Television

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POWER LIGHT ON TV COMES ON FOR 3 SECONDS THEN SHUTS DOWN

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You may need to replace your Tvs convergence board. Go to www.partstore.com and type in your Tv model #. It is a simple swap procedure with no soldering. It costs about $80 or more. It takes 30 to 45 minutes to replace.

Posted on Dec 11, 2008

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Shuts off and on while trying to watch, the power light flashes 30 times when off then the tv comes back on again


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TH42PZ85U Panasonic that will turn on for a couple of seconds, not even long enough for picture, then it shuts off. Red power light blinks 2 times with about 3 seconds in between the 2 blinks. I am...


1. Reseating the connector P25 may solve the problem. If it does not.
2.Right before the unit shuts down, check the VSUS voltage at connector P2 of the power supply. If VSUS voltage measures zero volt, disconnect the connector P2 and SS11. Check the VSUS level at socket P2. If it is still low, replace the P board.
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When turned on, my Mitsubishi TV shuts off after a few seconds.


the lamp is simple; yet you can run into problems with this tv. be very careful replacing lamp. the plug in the tv can be damaged. (due to the design)
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1 Answer

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Minium is the green picture tube need to be replaced, if you can take the front cover and access panel off there is a control with 3 focus and screen controls.
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TV not staying on


If you're NOT still under warranty you should at least open the TV and look for a blown fuse near where the power cable enters the set. A lot of times you can buy replacement fuses at a local electronic or hardware store and they're easy to replace. Check the fuse. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced. good luck!

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