Question about Samsung HCL4715W 47" Rear Projection Television

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Samsung HCL4715W Hi Don, I thought this tv was toast, convergence was horrible, picture was all over the screen then I started playing with the grids and the remote (info) from the service manual and I have a picture. Any way I can fine tune it or make sure nothing else is wrong?

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IF THE CONVERGENCE IS NOT ADJUSTING COMPLETELY THEN IT PROBABLY NEEDS NEW CONVERGENCE IC's . ALSO CHECK OUT THE SHARPNESS OF EACH PICTURE TUB (CRT) THESE SET ARE NOTORIOUS FOR HAVING BAD CRT''s (WHICH ARE NO LONGER AVAILABLE).
DON.

Posted on Nov 07, 2008

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Posted on Jan 02, 2017

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Samsung HCL4715w Hdtv convergence issue


Maybe you can fix it in the service menu.
Turn off TV, press mute then 182, Turn on TV and check out new menu items

Jan 24, 2013 | Samsung HCL4715W 47" Rear Projection...

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Samsung HDTV model HCL4715w1 has horizontal wavy lines in the middle of the screen. Is it worth Fixing? Any solutions to this problem?


Yes,tv screen have R,G,B colors lines mis alingnments,have colors shaded pictures or 3D pictures look aike?Tv have a problems known as convergence pictures problems.The tv convergence board it is dead.This convergence board must require replacement of 2 STK convergence ICS and some or all of it resistors too.Fixed the tv convergence board to solved the tv convergence pictures problems.U have some mechanical skills like take things aparts and putting it back together again?Yes,try website like Tvrepairworld.com to buy a whole refurbish tv convergence board for the replacement.The DLP tvs brands names Samsung and Akai used the same tv convergence board.Or tries those tvs shops will cost u like $300-$350 for parts and labors.

Jun 28, 2011 | Samsung HCL4715W 47" Rear Projection...

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HCL4715W 47 in. Rear Projection Television: Wheb the TV is turned on the screen is fine, howev...


Yes,this tv can be fix it have convergence problems.The convergence board the 2 STK covergence ICS are defective and some or all it resistors are dead.The shop will cost u $300-350 for parts and labors.

May 16, 2010 | Samsung HCL4715W 47" Rear Projection...

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The screen has a yellowish color tinting the entire surface. No blurring, just poor color. I'm thinking the 3 tubes(red, green, blue) may be toast?


Hi,thats could from your convergence color ic call stk
;you may need to replaced before looking for the tube thats may just an ajustement on tube screen control beware for high voltage
that is depend how old is the tv and the number of hour it play a day....
hope that will help

May 04, 2010 | Samsung HCL4715W 47" Rear Projection...

1 Answer

My screen on my samsung hcl4715w has split into blue and red pictures right next to each other. I have a feeling that it is a bulb that is out. I just need to know which one.


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 08, 2010 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Samsung three colors on screen, out of focus #hcl4715w


It is a convergence problem. The IC's (integrated circuits) or STK chips or the "guns". You have a red,and blue, IC's that provide all the colors. When the colors are out of convergence, you get ghosting or what looks like 3D pictures. I haven't been able to locate the part numbers for the IC's or STK chips but have located a convergence board. No luck determining if IC's are included (a phone call first to verify) but if they are, would make life much easier for you to install. Part # is BP95-00415H http://jr.partsearch.com/Part/Samsung/Samsung/BP9500415H/New.aspx?ModelMfgName=Samsung&ModelBrandName=Samsung&ModelNumber=HCL4715W

Typically, IC's cost around $10 or less. here is a link to a guy who provides pretty good instructions on replacing the IC's along with pictures.

http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Hope this answers your questions. Best of luck.
Greg

May 31, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Power light is on T.V. is not responding


u may have a bad convergence board stk392-040

Apr 30, 2009 | Samsung HCL4715W 47" Rear Projection...

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Hcl4715w samsung


you need to replace both the convergence ICs number STK392-040 you can get new replacement ICs at the link I am posting and they include free instalation instructions with pictures and free tech support. Heres the link.
http://servicemanuals.vstore.ca/

Apr 30, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

More Convergence Issues


They are definitely a part of the convergence circuits. A variable resistor increases resistance as they warm up. So excessive heat destroys their capacity to perform as was designed and you will continue to have issues until all components are within 5% tolerance levels. Hope this helps. let me know if you need anything more for information.

Feb 03, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Samsung HCL4715W 47 in. Rear projectio


IF YOU HAVE DOUBLE IMAGES YOU CAN GO IN THE MENU AND TRY TO ADJUST THE CONVERGENCE, OR US THE AUTO JUST. ON SOME SETS IT IS ON THE FRONT. IF IT DOESN'T CORRECT THE PROBLEM THEN IT IS CONVERGENCE. I REPAIR 2-3 A WEEK. WE DO IT IN THE HOUSE, NO NEED TO TAKE THE SET OUT. MAKE SURE THEY REPLACE BOTH CHIP'S AND THAT THEY USE ORIGINAL PARTS, THE GENERICS DON'T HOLD UP. THEY USUALLY LAST 3-5 YEARS DEPENDING ON THE USAGE OF THE SET.
DON..

Jan 27, 2008 | Samsung HCL4715W 47" Rear Projection...

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