Mitsubishi rear projection tv white screen goes dark and....
I bought my tv a year ago and it was acting up a little when i bought it. i have to leave it on all the time because if i dont the picture will be very dark on everything. when it has been on for awhile everything is mostly ok( because i have the brightness andtint turned all the way up) but i am still having a problem when something comes on the screen and it is mostly white the screen goes dark.i.e. the new schiek quatro commercial at the end when the screen is white and it shows the namen and the razor. i cant see the name or anytihng because its in dark writnig and the screen is so dark. also there is a black line across the top of about 1 1/2 incehs where there is no picturee and i can see a blue line and a red line.....anyone with any help would be a lifesaver
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Re: mitsubishi rear projection tv white screen goes dark...
1. White raster with no
signal, washed out looking video with signal. Access the service menu,
"menu 0157" use the audio button to select "video chroma" adjustments,
use the video button to select item "68 - AG1", use the adjust button
to change the setting to 0, then press the enter button to store the
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The old Mitsubishi units had a super capacitor in the logic circuit instead of a backup battery. This capacitor became leaky over time, causing the problem you describe among others. Number one symptom is set has audio and dark or black picture when powered up. As the super cap charges to full voltage, picture comes and goes.
i sold electronics for sears for years and let me just say that samsung has a great picture and good price but they have a wide spread reputation for having bad mother boards and they know it if you buy one always get a extended waranty you will need it.
I tooked the front screen off the TV set. I fallowed the instructions from another wrighter. The Bottom mirror was clouded with dust. I used a cleaner made for cleaning ipods and put it back together with instant success. I had not cleaned it since I got it almost four years ago. I just thought it was getting dim.
As far as the VCR playing black and white it also an easy fix. The Satalite Service man was swapping out my receiver and inadvertaly put the device on componite side of the TV. I put them back on Inpute 1 and 2 and they also work just fine. Thank you for your help.
reading other people porblems I was able to repair it on my own.
My Mitsubishi Model VS-60705 did the same thing a couple of years ago...A TV repair facility replaced the Video card. Any repair facility that works on rear-projection TV's should be able to repair your set. I bought the set on Jan 1, 2000. Coming up on 9 years and the set works like new.
If its a rear projection TV. It sounds like the Lamp is shot on the projector, or is going. Look in the back and see if it is lit if it is flickering I would definitely suggest replacing it. If that doesnt repair it then I would ultimately suggest the optical engine which is the projector of the TV