Question about Samsung HCL4715W 47" Rear Projection Television

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Suddenly Green focus shift off and cann't be able to autoalign

I have a Samsung HCL4715W 47" rear Projection Television. All of a sudden It gives pictures with green shadow and when i try to do autoaligh green gun not aligning in center. So can someone help me what could be wrong... Thanks,

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There is a Convergance board that needs to be replaced.there is no way of fixing that problem without replacing that board first

Posted on Feb 22, 2007

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HCL4715W 47 in. Rear Projection Television: My tv has an overlapping picture and the colors ar...


You have a bad convergence board. Replace two of the STK 392-040 ICs. And check all the resistors that are next to these ICs. Rplace the resistors as neccessary. This will repair your TV. Thanks for asking...sorry it took so long to find you!

May 17, 2010 | Samsung HCL4715W 47" Rear Projection...

1 Answer

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...

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...

1 Answer

Dlp


most likely a bad optical block part price between $450 - 550

Apr 15, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Green out of alignment on samsung rear projection tv


LOOK for 3 parts that start with STK (BLACK THINGS THE SIZE OF A MATCHBOOK) then replace all 3 (ebay) also look for some green coils that may be burned. If you SEE THE STK's then your in luck, as 95% of them are bad.. Please rate!

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

1 Answer

Red a green shadows on most objects!


use manual convergence to re align the colors. the owners manual tells you how to do this. No manual go to samsung. com in the FAQ section

Oct 11, 2008 | 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

Flashing red lines on Samsung hcl4715w rear projection


The convergence board wont correct the problem. You need to replace the two Convergence ICs on the sub board STK392-040 and you will be back to normal. See my response above. That site will help you get it back to normal.

Dec 21, 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...

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