I have a phillips tv 'o4 model 55pl9223/17 i replaced the lamp and picture is still very dull think it could be the light engine
Sorry to say it but your so called Technicians don't seem to have a clue.
One person talks about adjusting the convergence which you can't on this set, besides the TV shutting off on its own have NOTHING to do with convergence.
All the answers given are the same...replace the lamp, replacing a good lamp will NOT fix the problem with this TV. I have the same set and it has the same issue.
None of your "Technicians" seem to know, they just pretend or come up with standard answers.
Your TV most likely has one or more 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 themdull picture after even after i replaced the lamp - 2c07611.pngections your convergence chips are bad and should be replaced. This is a common problem.
Solution #1
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 imagdull picture after even after i replaced the lamp - 578ba6c.jpg />
Picture of a set that needs the dull picture after even after i replaced the lamp - 65af323.jpged.
TV set after fluid change
Solution #2
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.
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