Question about RCA D52W23 52" HDTV CRT TV

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Pincushion failuire multiple lines color no convergency and combation

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Replace 3 capacitors cp150.cp114 cp120.

Posted on Dec 31, 2008

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How do you make a pincushion adjustment. Picture is OK in center but out of focus as it spreads out in all direction with a bow shape at bottom. All colors appear to be present. Can you help?


This is not adjustable,have dead parts.The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignment anywhere in the pictures,have colors pictures shadows or 3D pictures look alike?The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts,must replaced on the tv convergence board to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.

Oct 23, 2010 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

The picture has ghost images, not lining up


This sounds like a convergence problem. Use the menu functions to reset your set's convergence. If this is not enough, you may need to replace the convergence board.

Feb 17, 2010 | Toshiba 57H82 57" Rear Projection...

1 Answer

My rear projection 51mp392h has color distortion on the bottom third of the screen,it curves up in the middle. Is this a picture tube


Hello tj444,

This is not a picture tube problem. This could be what is called pincushion distortion. It is caused when the is a malfunction in the deflection coils and the inability to correct for the curvatures caused by the CRT. The pincushion distortion can also be caused by the degradation of the functionality of the convergence amplifiers in the TV set. I would suggest that you have a TV technician examine the deflection circuitry and the pincushion circuit, this would also include the convergence amplifiers.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

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

1 Answer

Toshiba 65hdx82 convergence problem, pincushion


Your TV most likely a failure in the convergence circuits. ( 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

May 19, 2009 | Toshiba 50H82 50" Rear Projection...

2 Answers

Green color seperation multiple images convergence will not fix


Your TV most likely a convergence 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

May 14, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Hitachi 50gx30B Pincushion problem


Please let me know in which direction the picture is distorted. Does it bow in from the top and bottom or left and right?

Thanks,
Dan

Mar 06, 2009 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

Mitsubishi vs 5071


Usually this problem is caused by bad convergence ic's. These hold the three colors in alignment. They are better to be replaced as a set of two or three chips and must be soldered/desoldered into the circuit board. Most shops charge 200.00-375.00 to do this repair. I hope this helps. Most bow problems are from convergence or pincushion circuits.

May 21, 2008 | Projection Televisions

1 Answer

TV-Bowing


can you post a pic of your screen so i can properly diagnose the problem as it could be either a pincushion or convergence problem. A picture would clarify it for me.

Apr 16, 2008 | Mitsubishi VS-6043 60" Rear Projection...

1 Answer

Blue pincushion


Shannon you have a blue convergence failure. this problem can be repaired in home, by a good tv repair guy. John

Sep 11, 2007 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Pincushion Picture on a big TV screen!!!


The set has 3 IC's(one for each color)strictly dedicated for the aligment of each color,if one them does not align is because is going bad or is already bad becuase picture can not be adjusted,the IC's can be identify because they are mounted on a heat sink and have the markings STK--- ---,they are all the same and need to be replaced with an exact replacement.If you are familiar with tv service you can replace them,sometimes the new ones need to be aligned from the service menu,you will need the service manual,soldering and unsoldering will be involved,If you are not too familiar be safe and seek the assistance of a servicer.

Nov 03, 2006 | Sony KP-46WT500 46" Rear Projection...

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