Question about Samsung HCL4715W 47" Rear Projection Television

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Samsung three colors on screen, out of focus #hcl4715w

My samsung hcl4715w is showing three of everything. One red, one blue, one green. Could anyone please tell me whats wrong and how much it might cost. Thanks what is IC? Does anyone have the part numbers of the IC's,resistors and Caps for the Samsung HCL 4715W. I m having the same trouble of viewing three colors on my screen and the screen is Bowed in view. When I hit the focus button, only the green comes one, it jiggles on the screen and doesn't go through its normal focus diagnostic. IF anyone can help, email me at: frontier22@aol.com I don't want to pay 375. to 450. I am handy with the soldering iron as long as the parts are "through-hole" I don't have a manual or schematic. Joe

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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

Posted on May 31, 2009

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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 hcl4715w green warped after power surge


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 03, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Red is outta focus on a samsung model#hcl4715w


replace the two convergence ICs and also check the 3.9 ohm resistors

Mar 15, 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

No blue just red and green tint


adjust the blue bias on the high voltage block .
it has focus and bias for all three colors

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1 Answer

Out of Focus


· Samsung parts for convergance problem
· http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Nov 24, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Internal Screen Adjustments No Response


thr focus block assy.has the screen and focus controls on it it about 3"x3" in size has red wires attached to it and one feeding form the flyback transformer to it.

Aug 29, 2007 | 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...

2 Answers

HCL4715W Rear projection "Red" color is dim


screen adjustment,remove front bottom cove and find the focus block the screens are also on the same block,if your not sure don't try.

Aug 28, 2007 | Samsung HCL4715W 47" Rear Projection...

1 Answer

HCL4715W Rear projection blurry


The focus controls on this set are in the front behind the bezel. I'm not sure, but, I think on this age of Samsung, the screws to the front bezel are on the back side of the set. After removing the screws from the back, the front bezel snaps off and the door behind the bezel need to be removed. Watch the wires connected to the bezel, they need to be attached in order to turn on the set. The focus controls are on a black control block (there are three of them, one for each color). Adjust each color for sharpest picture. I use words on the screen for alignment. Each CRT board has a screen control (Adjust each slowly until retrace lines appear on the screen and then back off until they disappear). You may turn off the color and make sure that the picture is black and white. If it is not, then, which ever color is dominant, back it off a bit with that screen control. Facing the set, Red is left, Green is middle and Blue is on the right. Use only one hand inside an operating television. Do not touch the board, just the controls. This concludes television alignment 101. Any questions respond to this post and I'll reply.

Aug 26, 2007 | Samsung HCL4715W 47" Rear Projection...

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