Question about Mitsubishi WS-48315 48" Rear Projection HDTV-Ready Television
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.
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
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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Posted on Jan 02, 2017
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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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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