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I believe i have a model # 60pp9352 60 in rear proj the problem is with convergence but might be more intense as there is a blue lobe in the lower left hand corner and a curvurture in the left upper hand corner and any lettering that appears on bottom of screen is in 3 colors red white green. described the problem to an electronics friend of mine says that a cathode is ready to blow out plesae say that it's just a fuse

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Convergence ICs there are two of them both STK392-120 and you will need two 6.8 ohm resistors. You can get the replacement parts at the following link with free installation instructions with pictures.
http://servicemanuals.vstore.ca/

Posted on Aug 31, 2008

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My jvc 56" proj. tv pops several times when i turn it on but the screen stays blank


Ok, I suspect one of the two convergence chips is shorted, this is usually the most common reason the light (blue?) just blinks.

I can tell you in a easy way how to prove this without replacing any part--

What kind of skill do you have?

This entails removing the front grill under the screen and disconnecting the Convergence board behind the inspection plate.


I am here to help--


SD TECH

Oct 11, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Picture on tv has blue and red going through the top and can people look like they had 2 heads on tv toshiba 42pw23p


try to align it by going into the convergence setting in your on screen menu, some proj tv have a multipoint conv alignment, this might do it for you, if it doe not then therre might be a problem with the red and blue convergence amps and on this model the digital conv module(dcm) can also be at fault.

Aug 05, 2009 | Televison & Video

1 Answer

RCA REAR PROJ. SCREEN BOWS AT TOP AND COLORS DOUBLED


Hi, thank you for visit fix ya.
Resolder all connections around fly back ( check for open pico fuse).
if still problem, replace convergence board.
Thank you

Jul 27, 2009 | RCA HD52W58 52" TV

1 Answer

Bright blue semi cirle on my prjection tv, lower


Hi

you have defective convergence correction circuit! this parts needs to replace a new one!

Thanks!

Jun 05, 2009 | Samsung HCM5525W 55" Rear Projection...

1 Answer

Green and pink shadow on my samsung 55in proj tv what can i do to fix it. i all ready fixed red and blue line but green is way off and i dont see any way to fix it


hi, this is the early signs of convergence board chip failure. you will need to replace this board in order to correct the collaboration feature. the convergence is responsible for regulating the RGB stream in you set. if it is malfunctioning, you will not be able to regulate the red blue green streams.

May 16, 2009 | Samsung HCL5515W 55" Rear Projection...

2 Answers

Sony TV rear proj works but color is blue


Problem : 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.
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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.

Solution :


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.

I hope this will solve your issue.

Good Luck.

If my solution proves useful please accept it.

Regards
Arjun

Mar 13, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Red green and blue lines rca 52' rear proj.


your convergence powert supply is not working-
replace the supply or repair it

Dec 25, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Panasonic 47wx53 covergence issues


Is the power indicator flashing three times? If so the Ics have shorted shutting the set down. You will need two STK392-110 convergence ICs. You can get replacement ICs at the following link with free installation instructions.
http://servicemanuals.vstore.ca/

Aug 18, 2008 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

Blurry partial picture on a 42" rear proj tv


Hello,
There may be dust on Lamp or at front screen. why dont you open rear cover of TV and give a close look?

May 28, 2008 | Sony KP-51HW40 51" Rear Projection...

2 Answers

C Color is way outta wack on my 56 inch pilips rear proj tv. HELP


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Oct 28, 2007 | Philips 60PP9352 60" Rear Projection...

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