Question about Zenith A50M91W 50" Rear Projection Television
I got this Zenith A50M91W 50 in. Rear Projection Television The pic seems to loose focus after a long set up prosess. It starts with color shifting, the the letters or whatever is white or bright seems to intesify, then the whole pic ends up blurring baddly, and then the proses starts all over.Could someone help me out ? Thanks, Colby
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Posted on Nov 01, 2017
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Posted on Jan 02, 2017
It sounds to me like one of your color tubes went. If I had to guess I would say the red tube is shot. Its cheaper to buy a new tv almost. You can get a quote over the phone and compare the cost of repair to the cost of the tv.
Posted on Dec 16, 2007
Most likely a unit this age with start showing signs of weak crts. These crt's hava a life of 7 to 10 years and your discription is failing crts. I am afraid it is time to move to a new unit.
Posted on Feb 11, 2008
IS the screen white retrace lines ? Have you looked into the CRT lenses while they are on with a signal applied through the input to see if an image is displayed in the lens lens of the crt? Let me know what the answer is to these two questions and we will go to the next level.
Posted on Apr 10, 2008
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