Question about Mitsubishi CS-31505* TV

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Shuts off by itself now wont turn off either by remote or power button

Has had this problem off and on for a several weeks. It turns off by itself, but I could turn it on and will stay on sometimes for a while or all day or evening. Sometimes, the process repeated a several times but I was always abel to watch. Now, it went off and I cannot et it to come back on by either remote or direct. It is 10 years old set.

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5 Suggested Answers

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SOURCE: tv powers on, then switches off immediately

check out and find error codes

Posted on Dec 25, 2007

  • 4234 Answers

SOURCE: When I attempt to turn on my 10-year old 60

There are a number of possibilitis for this symptom. Essentially, the set is shutting down because a problem has been detected in a circuit. Usually this happens and the fron LED will blink. Check for that as well. If it is blinking, it should be a pattern of blinks. Report that pattern here. With that info, we should be able to guide you through a repair.


Posted on Mar 09, 2009

  • 17 Answers

SOURCE: model CS- 40307 40 inch Mitsubishi TV will not turn on

continue to push power button until light turns green. verie rate of push and hold

Posted on Jul 15, 2009

  • 63 Answers

SOURCE: Will not turn on. Shuts off immediately after turning on.

Sounds like the vetical deflection went out. Most likely have a leaking picture tube and the cooling fluid has goton on the board so you would be beter to replace if that is it.

Posted on Sep 03, 2009

  • 21 Answers

SOURCE: Mitsubishi Diamond TV power went out TV wont turn back on.

the regular problem is the convergence kit,

Posted on Jan 20, 2010

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Shuts off by itself


Your unit may have a defective button, particularly on the power but loose contacts on the main component is the most that can cause the issue .

Have the main circuit be resoldered for loose contacts.


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If the set will not turn on with the power button on the front of the set, you must then try turning it on with the remote. You must be sure that the remote is working correctly. If the set turns on with the remote, then your power button itself is bad or has cracked loose. This is easily fixed without having to replace the board. If the set does not turn on with a working remote, then something inside the set has failed and it should be serviced by a qualified tech.

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