Question about Samsung HCL4715W 47" Rear Projection Television

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HCL4715W Samsung - I have a convergeance issue whereas the display has an hour glass, from top to bottom, curveture. The blue also doesn't seem to adjust when trying to do the convergeance setup. I have replaced the convergeance board with no change and feel that I may have a shorted yoke or other circuit issue. Do you have any suggestions? Thank you, Ali

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Did you align the convergence after replacing board assy.if not it needs to be realigned.

Posted on Sep 05, 2007

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Fix the 3d look on my rear projection samsung model hcl4715w. it is a 2001


Read Chapter 3 about adjusting the convergence controls. These are to do with the alignment of the colours. It will help you fix the 3D look.

TVs

Sep 11, 2014 | Samsung HCL4715W 47" Rear Projection...

1 Answer

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...

1 Answer

Convergence board for a HCL4715W? Which one?


It will be the one that has big black ICs STK394-020 for Parts callMats 1-800-628-1118 also there is 2 resistors 2.7 ohm near STKs replace if Bad.

Sep 25, 2009 | Samsung HCL4715W 47" Rear Projection...

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I was watching my HCL4715W TV and the picture


It sounds like one of the convergence Ic chips is bad---you will need to locate and replace both of them and look for any damaged parts around them; there usually are two pico fuses in this area, one for each IC. The fuses do not look like glass fuses--they usually are green or orange in color and will have the amperage marked on them and on the top of the circuit board.

Aug 09, 2009 | Samsung HCL4715W 47" Rear Projection...

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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

Triple vison


This is a convergence problem that can be as simple as poor solder connections on the pins of the convergence ICs or defective ICs. If you can solder, you may be able to fix this yourself. If you wish to attempt the repair, update this and I'll provide additional details and instructions.

Dan

Feb 09, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

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

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...

1 Answer

Blue Convergence problems


Yes thats what you need. Just go to radio shack get a de soldering Iron (the kind with the rubberbulb works fine) as wel as a fine pointed low wattage Iron. Also pick up a tube of heat sink compound while your there. Then lable your wires on the tv that you remove. Desolder both STK392-040 chips and solder in the new ones. Just ve careful not to bridge any of the pins with solder chck them with a magnifying glass. Dont forget to coat the back side of the new heat sinks with heat sink compound. You will need to adjust the convergence when youre finished. Just go slow it takes about an hour. I would also vheck the resistors right next to the ICs at times on or two of them get burnt when the ICs go out. Heres a link to where you can get the replacement ICs.
http://www.electronix.com/catalog/advanced_search_result.php?ELECTRONIX_CATALOG_SESSID=78719eac787d8a9ab4cdc46058425c96&keywords=STk392-040&x=2&y=8

Jan 22, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

HCL4715W Rear projection CRT problem


your screen and focus controls need adjustment to acheive a good grey scale picture the adjustment are not on the crt neck boards.(focus block)

Aug 29, 2007 | Samsung HCL4715W 47" Rear Projection...

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