Question about Panasonic PT-47WX49 47" Rear Projection Television

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Hello Again You recently helped me fix the blue reflection across my screen by telling me how to change my convergence ICs. Everything worked great for about 3 months. Now all of a sudden I am getting a red shadow next to the tv images. When I tried to do a convergence adjustment, the ble conv. worked fine (up/down and left/right), however when I tried to do a red convergence, only the up/down worked and not the left/right. Could it be that one of my newly installed ICs went bad already? Why so soon? If so, is there a way I can find out which one, so I do not have to replace both? If its not the IC, could it be a resistor or something else? Please help! thanks Omar

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  • OmarH Jun 03, 2008

    The red crosses refuse to move left or right, both. They move up and down just fine.



    Is there an easy test I can perform to see if it is in fact the resistor?



    How difficult is the resistor relacement as compared to the IC replacement? Will I need to solder etc...?

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  • Panasonic Master
  • 8,617 Answers

Its possible one of the resistors were weak from the other ICs. Which way does the red refuse to move as that can help you pin point which resistor you should check

Posted on Jun 03, 2008

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Hello,my tv has a problem with the image,everything is in double with a line on the both sides of the screen. the 3 lamps are working(blue,green,red)


Thats usually caused by failed convergence ICs and the associated resistors. You can get hitachi convergence repair kits from www.tvrepairworld.com which contins the ICs and resistors plus the CD with repair instructions based on your model number.

Jun 01, 2011 | Hitachi Projection Televisions

1 Answer

I replaced the convergence ICs and the resistors on my Panasonic PT-53wx54j. When I powered it up, it worked great. After about an hour, the blue started to blur across the screen, and then the TV shut...


nwlounsberry,

Check all the components in the vicinitry of the convergence ICs. Concentrate on the diodes, resistors and electrolytic capacitors. In fact all the more they cost I would just replace all of them. If I had to guess I would say you have a bad electrolytic capacitor. Cost is minimal. Parts are available at http://www.mcmelectronics.com .

Thanks for using FixYa and for the great rating. Please consider a testimonial.

hardrocko

Jan 08, 2011 | Panasonic Projection Televisions

1 Answer

Blue arc and ghosting across middle part of screen.


Replace Both of your convergence ICs they are big Black ICs will have STK on them! Use STK392-150s or the 180s Better ICs Call Mats Electronics 1-800-628-1118

Dec 21, 2009 | Pioneer SD-533HD5 53" Rear Projection HDTV

2 Answers

EVERYTHING IN WRITING IS DOUBLE AND THE PICTURE IS DISTORTED


Hello Tim this is a very common problem with the projection tv set, the problem is coming from the convergence board with faulty ICs that have to replaced in order for your tv set picture to work properly,they do sell convergence repair kits for your tv set but i would not recommend this the reason being is that if you make a mistake while changing out a component your whole tv set is gone not going to work anymore so for this i would recommend for you to call a near by tv repair shop and have a tech come out and change this ICs for you, after you change this ICs from the convergence board your tv set should go back to working normal on the link below you can check out how a convergence board looks like thank you hope this helps.

http://bestbuy.partsearch.com/content/pages/tv-convergence-boards.html

Aug 29, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

My projection screen has blue and green lines across the screen id do not know how to converge the lines akai screen where do i go to fix it


Hi, thank you for visiti fix ya.
Your tv need convergence ICs service ( replace).
Can you send me model number tv, please?.
Thank you

Jul 25, 2009 | Projection Televisions

1 Answer

BLUE BULB CONVERGENCE


Replace the convergence ICs and feed resistors. You can get replacement ICs and resistors at the following link with installation instructions. If you leave them a email with your model number they will tell you the correct ICs and resistors for your model set. Heres the link.
http://servicemanuals.vstore.ca/

Nov 26, 2008 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

Convergerence will not get rid off my ''red ghosting'' problem


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
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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.

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

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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.

Nov 18, 2008 | Panasonic PT-47WXC43 47" Rear Projection...

2 Answers

Blue Lines


Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Blue,red and yellow wave coming up from the bottom of the screen on the lower left symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT
DON'T FORGET TO RATE;

Sep 25, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Blue wave across screen


Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Double images and colors are blurry .Blue,red and yellow wave coming up from the bottom of the screen on the lower left symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT

Sep 08, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Please Help... Strange blue reflection across screen (See image)


Convergence ICs are bad and posibably th eresistors that power them. Its an easy fix if you can solder

Feb 29, 2008 | Panasonic PT-47WX49 47" Rear Projection...

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