Question about Philips 60PP9202 60" Rear Projection HDTV-Ready Television

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Replaced both STK392-120 still Blue Convergence problem

First, thanks for this terrific website and for all the help you are putting out there. I've read some of your threads on not being able to adjust blue convergence and I replaced both STK392-120 ics. I checked the board, looked over the resistors and everything looked ok, so I did not replace them. Turned the TV on and had the same blue convergence problem. My question is, if I have a bad resistor or resistors and did not replace them, could that have damaged the new STK392-120? Any suggestions for the next step I should take? Thanks

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  • bigfatdady Feb 20, 2009

    I have LG RU-45NZ60 with the same problem after I replace both stk392-120 ic, and blue only move up and down it's cannot move to the left or right, Red is OK, I checked resistors they are all good,
    Any suggestions?

    Thanks

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Hi, first. thing to do is go into "menu" and keep scrolling down until you get to convergence adjustments see if red & blue move up/down and also left/right, IF they dont you have a bad resistor(s) or open chemical fuse(s), if both colors move, scroll to "factory reset" and try re-setting, let me know the results, hopefully you did NOT.. use generic 120`s, video-tek

Posted on Feb 07, 2009

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1 Answer

How Do I fix the convergence on my 2001 Hitachi Projection Tv


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

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
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.

2c07611.pngSolution #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 aroundimages.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #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.

Jan 05, 2012 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

My samsung pcl6215r is having problems with the green screen. The red and blue colors are fine but the green wont line up with them and its making it out of focus badly. It doesn't appear to be dim or...


brent hardin,

Your description of the problem sounds like a convergence issue. You more than likely have lost the convergence ICs. They will need to be replaced and the convergence will have to be set. The green beam should not move. It is the standard which the red and green are moved to overlap. Since you have bow at the top and bottom I would replace the convergence ICs. I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which explains the problem, how to replace the parts and where to get the replacement parts.

Thanks for using FixYa and for the great rating. Great ratings will keep the experts helping to solve problems. Thank you.

hardrocko

Nov 17, 2010 | Samsung PCL6215R 62" Rear Projection...

1 Answer

Color convergence issue.


Yes,U know how to solders?Must replaced 2 convergence ICS,and some or all it resistors.Tries websites Tv repair World.com,Tvrepairworld.com to buy a convergence to repair it ur self.The shop will cost U $300 for parts and labors.

Mar 27, 2010 | Toshiba 55H70 55" Rear Projection...

1 Answer

I have a rear projection television that displays dual image in blue and red. is there a way to resolve this. Thanks,


Ur convergence is dead.U must know how to solders?Must replaced 2 convergence ICS and some or all the resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

Mar 16, 2010 | Toshiba 57H81 57" Rear Projection...

1 Answer

Mitsubishi TV VS-55601S Convergence Problem


Convergence it dead.Must replaced convergence,know how to solders?Tries these websites for convergence kit.Tv repair World.com,or Tv Repair Kits.

Nov 17, 2009 | Mitsubishi VS-55601 55" Rear Projection...

1 Answer

Blue color is ober screen


It may be the fluid in the CRT or convergence chips are bad.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg

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.


2c07611.pngSolution


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 email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

Jan 30, 2009 | Philips 46PP9302 46" Rear Projection...

2 Answers

55pp935217 Way too much blue


No sounds like the blue CRTs coolant has congealed and thats whats giving you the trouble. the blue tube get congealed and will cause the blue to not even show up properly in the convergence menu

May 18, 2008 | Philips 55PP9352 55" Projection Television

1 Answer

Blue reflection on my screen


Hi.

Check & adjust the convergence.

http://dc07.atspace.com/

Chris..

Dec 15, 2007 | Projection Televisions

1 Answer

Hitachi 65xwx20b convergence


Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

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1 Answer

PT-47WX53 blue convergence


you will need to change or have the convergence IC's replaced I'm afraid. Good Luck

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