Question about Panasonic PT-53WX53 53" Rear Projection HDTV-Ready Television

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Ic chips i replaced 2 stk392-110 tv no longer shuts down but the red convergence is spread out more than the green and blue . red seems to be shaking a little. i've checked all resistor's they seem fine . i used to work in a tv shop so i have a little bit of an idea .but i don't have the tools i had there so any help would be great. thx

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Hi did you check resistor protectors they are green pico fuses.

check your connections make sure all the wires are lined up with correct ones. I have done that lots of times.

In the menu you have to go to convergence and readjust the cross hatch each tv is a little differant to get to service menu you for adjustment..

keep me posted get me model number and i will get convergence code or the way to get into it for you .dont give up you will get it sometimes i go back to peoples houses a few times.
thanks doctor video.

Posted on May 13, 2008

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1 Answer

Color and Image are Bad!


Convergence IC's are bad or poor solder connection, IC's are large chips with heatsink mounted to them, re solder them to board, if not fixed replace IC's, should be 392-110s, but check them number is on the IC itself.

Aug 09, 2009 | Hitachi 46F500 46" Rear Projection...

2 Answers

Picture blured


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 around images.

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.

Apr 30, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Replaced ic's but green is still seperated from the blue and red


Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

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.

Mar 14, 2009 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

Hitachi Television


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 around images.

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.

Feb 18, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

51MP392H/17 Blue convergence wont move not IC chip


You could have some opened resistors low ohms that are bad go back and ck them around convergence ics.

Nov 20, 2008 | Akai PT4298HD Rear Projection Television

3 Answers

Can't control red convergence on VS-45607


The STKs are three channel ICs they each control horizontal and vertical of one color the third channel controls part of green and the other half of green is controled by the other ICs third channel. Its customary for the Ics to fail and only have one channel bad in the IC. However its recomended to change both because of the bad Ic having green it can actually weaken the other IC and that one will fail shortly.

Aug 03, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

PHILIPS 43P8341 CONVERGENCE OF GREEN AND RED


Look for the STK ICs mounted on 2 big heatsinks.
I would suggest to replace both of them once you have the TV taken apart.
I think the part markings are STK392-040.
Let me know if you need further assistance.

Apr 29, 2008 | Philips 60PP9352 60" Rear Projection...

1 Answer

43UWX10B problem with green


if you have a 2 IC convergence chassis they dont control the green , However if you have the 3 IC chassis the green is controlleed by the third IC these are usually STK4275 or simallar single amp ICs. Which type chassis does your hitachi have? Its possibly related to the digital convergence board if all resistor near the ICs are good. Do you have the service manual? I can post a link where you can get the full service manual if you need one

Mar 29, 2008 | Hitachi 43UWX10B 43" Rear Projection...

10 Answers

Hitachi television repair


how do i access the convergence on my big screen

Oct 16, 2007 | Hitachi 61SWX10B 61" Rear Projection...

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