I saw you were going to check with the sony tech, just wondering if you heard anything. someone posted this, but its hard to make it out. Ned
thanks for helping
(there was a setting on tv ckt u have set form the open your tv there was a verible resistor on the tv ckt bord its control birghtness & contrast so u have set it as u needs u have to take ur tv your nearest good raprir man its do it free i m doing here free but i not come there so u take tv with a good riper man)
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Re: Sony KP-51WS510 51 in. Dark picture
I finally heard from Sony tech assist. You have a bad high voltage transformer. As the set warms, the high voltage decreases and this is causing the problem. At this point, I would refer service to a local Sony authorized center.
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Hello ksolovy, i understood your Problem with the Sony KP-53V90 53 in. Rear Projection Television,In fact i encountered already that kind of problem you have it now. Check first the color wheel im sure that the blue section of your color wheel was burned and the blue color turn to dark; That's why you have seen dark picture, Re-place color wheel.
Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.
It was probably my post--SD TECH--you may want to tweek the red screen a little up or down--if it still acts up it is the picture tube--
The adjustment procedure is only meant to help and not cure the problem--try to get it as good as you can and live with it.
I have been involved with replacing those tubes and it is no picnic--you remove one--send it out for rebuild and put it back and do major adjustments--usual cost for rebuild is near 300 JUST FOR THE TUBE--real problem is that sooner or later the two other tubes will start to act up.
I composed those instructions to try to give people an option--to buy them some time--the picture tube is what some call a bulb--one in the same thing.
Lots of these sets had all three tubes changed when under warranty--what really happened is Sony put the wrong tubes in the sets to begin with.
My best advice is adjust it as best you can and when it goes replace the set.
After all the screws are removed, the panel pops on . They use plastic dowls inserted in rubber. The brightness may need to be turned down on the color that has little lines appearing. The brighness is on the picture tube board on each picture tube. Good Luck
they gona get worse to dead circuit, a small capacitor (problably in the neck board) is bothering you, get a tech now that he can see the problem, gonna be cheaper now....good luck
ps some times the picture say to the tech was going on