Question about Sony KP-65WS510 65" Rear Projection HDTV-Ready Television
Hello. I have a 60 inch Sony kp-65sw510 that has been given to me. The problem is that it powers on, but no picture is coming through. So how do i fix it?
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Posted on Jan 02, 2017
Your problem here has to do with the amount of aging that happens to the three colour tubes - red, green and blue.
Blue actually ages slower than red and green. What actually happens is the green tube deteriorates and due to green being the predominant colour for brightness causes the blue tube`s flyback lines to appear - especially when switching between inputs or when the video is blanked.
No replacing the blue tube will not solve your problem as the tube is actually the best one of the three.
As someone mentioned there is a way to adjust this by removing the speaker grill assembly in front of the set. Doing the service mode adjustment with the remote is not the right way to solve the problem - you would be adjusting the colour gain and off-set values and would seriously be compromising the white balance of the set.
On the left hand side behind the speaker cover you will see a black square block with six adjustment points. Look for the one marked SCR BLUE, Switch the set to a unused input so the blue lines become visible. Now adjust the BLUE point counter clockwise until the lines disappear. A small adjustment should do it, Switch back to a picture and make sure the whites are still white.
This should sort your problem. I would however suggest asking a Sony service centre to do this for you. This is a dangerous thing to do as you will be working close to the 35Kv supply the the anodes of the three tubes.
I hope this answers your question.
Posted on Mar 08, 2008
SOURCE: Sony kp-61s70
I used to work at an arcade and we constantly had the problem of hues on the screen, there is a product you can buy that will fix this problem, though I'm not sure how much it costs since we just had one at the arcade. It is a magnatized wand that you plug in to a power source and wave around in front of the screen for a few moments. It did the job everytime.
Posted on Jul 18, 2008
It calls convergence problem due to failure of convergence output ICs.
If you want to repair it at your own, let me know if you have basic electronics knowledge and little experience to guide you more.
Posted on Nov 08, 2008
SOURCE: My Sony KP-57WS500 57 inch
If the colors are separated, this is a convergence problem that can be as simple as poor connections on the convergence ICs or defective ICs. Please provide a more detailed description if you can. If you can solder, you may be able to fix this yourself. Let me know if you wish to attempt the repair.
Posted on May 05, 2009
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