Mitsubishi WS-48315 48" Rear Projection HDTV-Ready Television Logo

Question about Mitsubishi WS-48315 48" Rear Projection HDTV-Ready Television

2 Answers

Projection TV keeps shutting down

TV shuts down power after about 10-20 seconds. During this time the green projector flickers and is intense. After TV powers down I can turn it back on but it will shut down again after 10-20 seconds. I can do this repeatedly but it will never stay on.

Posted by Doug Clark on

  • 5 more comments 
  • Anonymous Jan 05, 2008

    Our Panasonic projection TV will not stay on. When we get it to turn on it lasts for a few seconds and then shuts down.

  • wpollock592 Jan 23, 2009

    Just this morning I turned on my tv which is a WS-48315 and it keeps turning itself off after sometimes 10 seconds or longer or shorter. Anyone find any answers. Pictures seems to be fine the short time it is on

  • wpollock592 Jan 23, 2009

    Just this morning I had the same problem. Any answers?

  • Anonymous Mar 19, 2014

    TV shuts off at times and can not get it powered on unless it sits for about 15 to 20 minutes. There are times it runs without the incurring this problem

  • Anonymous Mar 22, 2014

    when it shut off I tried to turn back on it comes on for about 3 seconds then shuts off again

  • Anonymous Mar 22, 2014

    tv shut off while i was watching it when i turn it back on it shuts right back off after about 3 seconds with no picture or sound

  • Anonymous Mar 22, 2014

    My tv shuts down after a few seconds.

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2 Answers

Anonymous

This turned out to be a normal function of the TV to shut down when one of the CRTs is failing (was green CRT) to protect the circuits. Even though TV was only 2 1/2 years old, Mitsubishi could not provide part. Bad Mitsubishi experience!

Posted on Jul 24, 2007

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Anonymous

I just took my Mitsubishi WS-65315 65" in to be repaired for the same problem and was told that it needed a new main circuit board part number 930b899005 as was told they wanted to charge me $1100.00. So I told them not to do the repair and picked up my tv and found that same part at Sears parts for only $225.00. Some of these TV repair places are theifs.

Posted on Jul 24, 2007

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1 Related Answer

Anonymous

  • 927 Answers

SOURCE: Projection TV keeps shutting down

Good Day;

Sounds like you have a bad green picture tube that has failed. To check this out; remove front speaker grill, remove small panel, you will see three CRT's (pictue tubes) sticking down, remove the little board on the middle tube then restore power. If TV stays on more then likely the CRT is bad but not always the driver on board could also be bad, check voltages.

Good Luck, big IRISH.

Posted on Sep 26, 2008

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No Picture/No Sound

This is very possibly a power surge, can you tell me how many times the light blinks, you probably have a bad power board now if you had a power surge.
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Unit will not stay on

Is the fan that cools the projection high intensity bulb running? This sounds like an overheating condition, there is a temp sensor that will shut the machine down if it senses the temp is to high and poses a fire hazard or further damage to the projector.
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Infocus LP70 powers itself down after 30 seconds or so.

HI,,

ITS PROBLEM WITH URS PROJECTION CIRCUIT WHICH HAS BAD CAPACITORS..

JUST REPLACE THE CAPACITORS..

TNKS

RABBANEES
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Tv shuts down after about 5 seconds

Sounds like the green CRT has a short.If you unplug the socket from the green CRT tube (the one in the middle) and power up the TV and it stays on then it will verify that you need a new green CRT.




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1answer

Projection TV keeps shutting down

Good Day;

Sounds like you have a bad green picture tube that has failed. To check this out; remove front speaker grill, remove small panel, you will see three CRT's (pictue tubes) sticking down, remove the little board on the middle tube then restore power. If TV stays on more then likely the CRT is bad but not always the driver on board could also be bad, check voltages.

Good Luck, big IRISH.
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No picture sound is fine

tv comes on then turns blue at that time it shuts down. The power is on and then it blinks 5 times!!!
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Sony 2002, kpws500

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.
you can adjust the 3 screen controls to possibly get a little more time out of it before the crt's need to be replaced. careful if you turn them down too much there will be no picture, and if you turn them too high the tv will go bright and shut off
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Sony proj tv,sound,green pict few seconds then shuts down

could be three different things.

 

1. could be the crt itself as a tube with dfective phosphure wil do this

 

2. could be the vertical ic on the crt board

 

3. could be the focus pac.  located in front of tv with 6 adjustment knobs on it.

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