Question about RCA P52928 52" Rear Projection Television

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Line fuse blew, replaced it, and now the convergence is really out of whack! Any quick fix?

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Resolder the Flyback transformer pins and replace the fuse again.

Posted on Jul 31, 2009

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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...

1 Answer

AV-48WP74 48 in. Rear Projection HDTV-Ready Television: my 3 colors are all out of whack and the convergen...


you most likely need to replace the convergence ICs. If you are lucky, they may have unsoldered pin connections at the PCB, you can try re-soldering those loose pins. What usually happens is that because of the heat generated, the pins have become detached at the IC also, thus the need to replace the ICs. Some of these have either fuses or resistors to the ICs that have also opened & will need replaced also.

May 16, 2010 | JVC AV-48WP74 48" Rear Projection...

2 Answers

Have a hitachi model # 604x58b. Has been a great tv for over 10 years. Went out of town for about a week, and came back, and my tv was out of whack with a bent yellow-blue shadow line at top and bottom...


Replace Both of your Convergence ICs, they are big black Ics will have Part number on them. STK392-110s Use STK392-180s. Mats Electronics has them for 10.95 each they might have gone up alittle
shops retail them for $55.00 each
1-800-628-1118

Mar 24, 2010 | Hitachi 60UX57B 60" Rear Projection...

1 Answer

Sony KP-53v80


There may be an open fuse. The typical fuse for the application is a 3-amp, and may not look anything like your typical fuse. If you have sucessfully replaced the parts that you indicated, the convergence should be very close to what it was before the failure. The fuse may look like a small rectangle of black or white plastic with a wire through it.

Feb 02, 2010 | Sony KP-53V80 53" Rear Projection...

3 Answers

Magnavox 51" Model # 51MP392H/17 problem.


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 12, 2009 | Philips Magnavox 51MP392H Rear Projection...

3 Answers

SONY TV PROBLEM


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.

Feb 03, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Older RCA projection flickers and convergence out of whack


you can check the three little red fuses next to the flyback transformer , but then if not that then the convergence IC's will need to be replaced and the resistors checked on it for possible replacement

Jan 03, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

RCA projector blew 5 amp fuse off line in when fuse was replaced picture came up with smaller picture on screen and convergence way out.


whats the model number and what was the fuse number that blew/ was it FL231 the fuse in the middle? If so you need a convergence power supply board.

May 20, 2008 | Televison & Video

2 Answers

Trouble Aligning Colors


If the convergence is missing in the menu in screens,you have a bad reg ic on the convergence power supply the part number is 215530,the power supply is located on the black plastic above the right module with all the heat sinks

Nov 15, 2007 | RCA P56930BL 56" Rear Projection...

1 Answer

PT-47WX53 blue convergence


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

Aug 15, 2007 | Panasonic PT-47WX53 47" Rear Projection...

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