I WRITE TO YOU THIS TIME TO SEE IF YOU CAN HELP ME ON THIS MATTER, IF YOU CAN.
LET ME EXPLAIN: MY PROYECTION TV IS A " Kolin PT-501 LCD/LCOS HDTV, rear projection TV".
I HAVING THIS PROBLEM SINCE I BUY IT NEW AND I NEED TO KNOW IF THIS PROBLEM HAVE SOMETING TO DO WITH THE PROYECTION LAMP OR WHAT? ALSO I PUT THE LAMP NEW.
EVERY DAY I TURN THE SET ON, AND WORK AND I WACHT A PROGRAM ON TV, WITHOUT NOTICE, I SEE LIKE A "BRITE GREEN DOTS" THAT COME AND GO, ALL OVER THE TV SCREEN. (Is like a ghost reflecting with tiny green brite dots in the screen).
IS DOING THAT WHEN THE TV IS COLD OR WHEN IS HOT..NOT MATTER, BUT WHEN WE ARE WATCHING ANY PROGRAMS, THIS LITTLE "GREEN DOTS" APEARS ALL OVER THE SCREEN FOR SOME MINUTES AND THEN, GOES AGAIN.
WHAT YOU THINK IS IT?
CAN YOU KNOW SOMETHING ABOUT THIS GREEN TINY DOTS THAT COME AND GOES IN THE TV SCREEN LIKE A GHOST
THANK MAN... ANY HELP WILL BE APPRECIATE
NEED HELP SOON.
IT GOT ME CRAZY WHEN THIS TINY GREEN DOTS APPEARS ALL OVER IN MY TV SCREEN.
Re: Kolin PT-501 LCD/LCOS HDTV, rear projection TV
Well i really do not know what that is but i do have a thought it could be a bad connector and if you want i have the same tv for sale for $300 shipped just for parts the problem with my pt501 was the screen turned colors but the lamp is in excellent shape and so is the lcos screen the ownly thing that does not work is the main board (ciruit board) i will send you the hole thing for just 300$ shipped if you'd like email me back email@example.com
Re: Kolin PT-501 LCD/LCOS HDTV, rear projection TV
It's either a bad LCOS chip or dust blowing around in the optical package or on the lens. either way there really isn't anything you can do about it, theres no way to adjust the optics without special equipment after you take apart and clean/repair the optical package.
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Look to the owner manual to see if the set has an error buffer that detects and stores errors--if it does you should be able to see what error has been detected---Sony if called might be able to tell you how to access it.
Hi, Sorry but you need a new light engine. "optic block"Verry costly for Sony TV's It will get worse,turn green,or have blue near top or bottom. Caused by heat. Not dusting the back of the tv,and smoking in the house.The TV over heats and the LCD panels in the light engine have a polorised film that melts causing the colors.The part number is...A-1123-069-A
Part is $649.95 + $1300 core. I have several Sony LCD projection TV's at the shop with same problems.
Time to buy a Samsung LCD w/LED backlight. Best TV for the money.BUY A EXTEND WARENTY!!! No matter how good the TV is, They still break. Costly to repair. I do all the warenty work for Central Florida. So I know about how much you need one on these newer TV's. Sorry for the bad news. If I can help,contact me at...firstname.lastname@example.org
I have the same TV and had the exact same problem. I had to replace the lamp and power supply in mine to get it to work. Unfortunately...its next to impossible to find the parts, at least the power supply. I found the lamp online and I was lucky to get the online store I purchased the TV from to send me a power supply from one of thier stocked models, but only after I turned them into the FTC Consumer Protection. The TV was sold to me as a closeout but new, as it turned out the tv was a refurb, thats the only way I could get the parts I needed.
Hope this helps and if you need any other information please let me know.
Degaussing coils do not work on LCD or Plasma TVs, Cathode Ray Tubes only. There should be no (not any type) demagnetizing circuitry on that type of set, so I have no idea what you replaced/adjusted. I believe one of two things to be the problem. Either the LCD screen itself is bad (possibly it has been struck with something and that has broken electrical connections that cannot be repaired) so replacing the LCD panel may prove to the the fix. However, the circuitry that drives the LCD panel could be at fault, improperly driving an otherwise good LCD screen. That is a tough call. I would carefully inspect the screen up close looking for tiny cracks in the glass. This could be a pricey repair either way. Good luck on that one. Perhaps you should include some more history of the set. Did it fall or get knocked over, was recently moved, got wet... anything would be helpful. I know that children of a certain age are known to go up to a set and slap the screen. A friend has a rear projection Pioneer with that type of damage.