Question about Samsung HCN436W 43" Rear Projection Television

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My samsung sp42q2hd (r) is having picture problems, the right side of the picture curves up and the left sits fine, need an answer asap

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: sony KP-53XBR45 convergence

Hey, found the problem. Your Convergence IC chip went bad. Buy one at Bluestar International Components (bluestar-online.com) - order part number STK392-010 for 6.99. I've read that there are two in the system and replacing them both at same time is a good idea...so, order 2. Now, if you are handy, it will require you to open the back of the TV and solder out the old chip and replace with new. If not, then you might as well call a TV repair person and have them fix. However, every place I've called works on a minimum fee for "large screen TVs" - the cheapest I could find in Atlanta was $399 minimum service fee. So, I'm going to risk the home sodering job .... it's a 10 year old TV and as good as it's been to me, if I screw it up, I feel I've gotten my money out of it. Good luck with your repair. My parts are on order.

Posted on Oct 26, 2008

Slinteriors
  • 8617 Answers

SOURCE: Mitsubishi WD 62725 -picture slightly tilted from right to left

Thats a common adjustment called the TILT adjustment. You can get the service manual emailed to you from the following link which will explain how to doo the Tilt adjustment. Heres a link to the proper manual for your model.
http://servicemanuals.vstore.ca/product_info.php/pName/wd52525-dlp/cName/mitsubishi

Posted on Jul 13, 2009

Ecollier2012
  • 3459 Answers

SOURCE: My Sony Projection TV middle of the screen curves

This is a very common failure on Projection sets. Its called a convergence problem.
You may have one or more of the following symptoms.
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.
No Audio / No Video - Makes Chirping Sounds
You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Sep 27, 2009

roety
  • 585 Answers

SOURCE: TV all the sudden started curving the picture

Hi my name is Roety,
I can help you with your issue ,
Your convergence ICs are bad, a repairman will charge Between $300 and $400 . If you are a technician you can solder in new STK392-560 ICs on the D board. also a pico fuse is blown on the power supply.
 
 
 
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Thanks

Posted on Oct 09, 2009

Testimonial: "Great help on the likely cause..."

Ecollier2012
  • 3459 Answers

SOURCE: Picture is fuzzy and also curves on left and right

This is a very common failure on Projection sets. Its called a convergence problem.

You may have one or more of the following symptoms.

  • 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.
  • No Audio / No Video - Makes Chirping Sounds

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Oct 18, 2009

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You mean the picture on the left side is curved out? Or is it restricted to the very top and very bottom?
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If you are only having the problem in the corners, look in the menu for a corner correction control and play around with it to see if it corrects your problem. If the monitor has no OSD (on-screen-display), then it may be too old to have these controls. You may have to open the unit and see if there are any physical adjustments (little potientiometers). You might want to leave this to someone who knows what they are doing since the high voltage circuit can have 25-35 kV. Considering the price of CRT monitors, you might be able to find a new one for under $50.

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This issue is caused by the micro capacitors and the convergence module, the capacitors are part of the main circuit board, the job will cost around $600 to repair, better option is a new TV.

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You need to have the convergence IC's replaced. A repair like this should run you about 300 bucks or so. In most places.

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your set has convergence problems i dont have the answer yet ,i do know that convergence broad is not what is causing this! I have one in my shop now with same problem as soon as i find out problem i will post it !!!!!

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Its Sounds like Convergence Circuit,If you take the Back off and look on the right side you should see a Board with Big black Ics Mounted beside a Large Heatsink,Mark the wires where they go and Make sure the POWER is Off Pull the Board out and Inspect the Connections from the ICS,you find Circle Breaks,They need to Be resoldered and That should fix the Set....

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