Question about Philips 60PW9363 60" Rear Projection Television
Someone gave me this, said color was a little off. He strapped it down in truck but wind caught it and blew it over. Heartsick, when I got it home I discovered the mirror had smashed. I took it out and put a smaller one in just to see if it would still work. When I was checking it out, I noticed that looking in the blue tube, the fluid looked like it had bubbles in it. Looking in the red and green tubes, I could read "channel unavailable", but not in the blue one. It was just cloudy. After I put the smaller mirror in and turned it on, I was delighted to see it still worked, but when I tried to adjust the convergence of course there was no blue. I checked out the kits at TV RepairKits.com and there are two available. One to replace the chips and one to replace the fluid. Both are $64. Any idea which one it is that I most likely need? I honestly can't afford one, let alone both, so any help would be greatly appreciated.
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Posted on Jan 02, 2017
Usually if you remove the speaker grill in front there is a convergence panel that can be carefully removed. If you look inside you should see a small rectangular block with six controls. They are labelled focus and screen, and red, blue and green. Adjust only the screen controls very carefully and slowly. I would recommend reducing the red slightly brfore raising the green and then blue until the picture looks acceptable. Be sure to center the on screen controls before starting.
Posted on Dec 31, 2007
They should be STK392-120 but check the numbers on yours to be positive. They are located on the extreme left of the chassis looking inside the back panel mounted on a heat sink. They will have STK Numbers stamped on them. Yes you should change both of them they cost 10.00 each at electronix.com You will need heat sink compound as well but this is better purchased at Radio Shack 2.00 per tube. Put a good coat of Heat sink compound on the back side of the new ICs. Also check over the resistors on the board next to the ICs sometimes 1 or 2 of those burn when the Cs go out. Let me know if you need anything further
Posted on Jan 25, 2008
That is quite an undertaking to replace all three crts in a conventional PTV - I've been in electronics more than 20 years and I've never done that... One because it's far too expensive, two because it's unusual that all three crts would be bad and if they were I'd REALLY suspect problems somewhere else and three because of how labor intensive it would be to remove, install and align three new cans.
That said, you should be able to get them through Vance Baldwin or Tritronics Inc.
Posted on Mar 13, 2008
SOURCE: bad color
Your TV most likely has one of two possible problems.
Problem #1: Convergence Chip Failure ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.
Problem #2 CRT Fluid is Cloudy
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
Picture of a set that needs the fluid changed.
TV set after fluid change
What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.
Posted on Mar 22, 2009
http://www.tvrepairkits.com/component/content/article/42-magnavox-kits/90-tv-kit-005.html to purchase a convergence repair kit. $70 shipped.
Posted on May 08, 2009
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