20 Most Recent Samsung HCN4727W 47" Rear Projection Television Questions & Answers

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Tv powers on,but no picture, and u here clicking sound

Light bulb likely bad if a DLP type set - may also need a ballast assembly.
5/12/2014 2:19:29 AM • Samsung HCN4727W... • Answered on May 12, 2014
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Replaced convergence ic's and picture is good but still no blue color to adjust in the convergence mode. the blue bulb is lit in back.

You may have pressed a wrong button when in service mode---it allows among other things to turn individual colors off like Blue--to make it easy to adjust red to green first.Also take a look with set on into the Blue lens to make sure you have a image and it does not look like a blue flood light.a last note: if you tampered with the lens (they have a wing nut on side that allows them to be turned you may have on the blue turned the lens so far there is no focus---for that lens--Did you?
5/30/2012 3:13:37 PM • Samsung HCN4727W... • Answered on May 30, 2012
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Blue green and red not in line. how to solve

Thats a convergence issue which is caused by the convergence amp board needing repair. The samsungs with the P55A chassis such as your model usually require replacing the convergence amp board which is a simple unplug old board and plug in the new one repair. You can get the convergence amp board for your model from www.tvcircuitboards.com
7/12/2011 9:54:33 AM • Samsung HCN4727W... • Answered on Jul 12, 2011
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Is it hard to restore a Samsung HCN4727W tv back

You want to re-align the convergence for this tv correct? It is not hard, you can do it yourself. You really need to get the service manual to do this. Use a good input source for the 480i input and maybe an xbox or blu-ray player to help with verifying alignment for the 1080i input.


Too much to explain here, so search on google for the service manual. You will likely need the original remote for the tv as I think a universal remote will not have all the button you need on it to complete the alignment.
2/20/2011 5:57:41 PM • Samsung HCN4727W... • Answered on Feb 20, 2011
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Samsung HCN4727W

Same Here !! Any suggestions?
1/25/2011 8:33:53 AM • Samsung HCN4727W... • Answered on Jan 25, 2011
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Looking for a Deflection PCB for an HCN4727W

Encompass Parts Distribution 1-800-638-3328
They have 3 in stock for $114.04 PN# BP94-00505N
11/9/2010 12:34:56 PM • Samsung HCN4727W... • Answered on Nov 09, 2010
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I can not locate the

It should connect to the screen/focus control block,if this is a projection set.
9/10/2010 3:30:53 AM • Samsung HCN4727W... • Answered on Sep 10, 2010
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Pop smoke and blurred screen.

jdowell1,

The easiest solution would be to go to http://www.servicemanuals.net and purchase a downloadable service manual for about $16 US. If you plan on working on this unit in the future it should more than pay for itself. The manual would have the values of the components and much more valuble information.

Thanks for using FixYa and for the generous rating.

hardrocko
8/5/2010 2:19:17 AM • Samsung HCN4727W... • Answered on Aug 05, 2010
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Picture is distorted

Projection sets have two very common problems.

The first common problem is convergence


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. This is called convergence.

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,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
5/30/2010 5:36:14 AM • Samsung HCN4727W... • Answered on May 30, 2010
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Colore on the picture are not aligned together

try the read the manual if no manual try to adjust the settings of the color of your tv
4/13/2010 4:39:47 AM • Samsung HCN4727W... • Answered on Apr 13, 2010
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Tv was working fin and the next day the

Try to clean the lenses with alcohol and q-tips, then try to converge the colors. Good luck!
3/29/2010 3:35:37 PM • Samsung HCN4727W... • Answered on Mar 29, 2010
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Model hcn4727w screen went black .wont power back

I think you have a ADC that went bad and needs to be checked out. You need to have a service adjustment done by your Service Tech. You just can't fix the ADC without clearing the buffers, and all the other procedures needed to fix this TV. I think your TV repair persons are probably just going over the complex procedures to fix your TV.

Good luck!
3/7/2010 1:57:45 AM • Samsung HCN4727W... • Answered on Mar 07, 2010
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I was told my samsung HCN4727W needs to be

Not,possible to dequassing,to demagnetizing,if u drop the tv,because the CRT yoke is damage the magnetic field out of wack,can not,do anything to it.
1/12/2010 1:03:28 AM • Samsung HCN4727W... • Answered on Jan 12, 2010
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My focus seems to be going, my images arent as

Also less beer
11/23/2009 7:52:35 AM • Samsung HCN4727W... • Answered on Nov 23, 2009
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My samsung hcn4727w blinks red when i turn it on

either the lamp, ballast or power supply need to be replaced.
11/11/2009 8:58:30 PM • Samsung HCN4727W... • Answered on Nov 11, 2009
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Developed herringbone lines

This is a very common issue on these TV's. The pro-scan module is failing and must be replaced. Here is a link to the part number and ability to order it. The module is a plug in device and in the TV is surrounded by a metal shield. The module is very easy to replace and just requires that you unplug the TV before removing the back.

http://www.partstore.com/Part/Samsung/Samsung/BP9500142N/New.aspx
11/11/2009 7:16:21 PM • Samsung HCN4727W... • Answered on Nov 11, 2009
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Samsung hcn4727w. All colors out of wack.Curve at

Aging eletrolytic capacitors cannot hold the voltages necessary to keep the color guns in alignment. This is NOT a problem you can fix yourself. The are DANGEROUS high voltages inside your TV which can persist for WEEKS after the set is off.
You must call a qualified service technican for repair.
10/10/2009 10:02:58 PM • Samsung HCN4727W... • Answered on Oct 10, 2009
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My samsung hcn4727w will not come on. when pushing

Well we need to have in mind that a generic lamp will give you 3500 to 4500 lamp hours and the Phillips will give you 6000 to 8000 lamp hours ,The lamp itself typically uses AC current and about 15,000 volts to ignite the lamp's mercury vapor gas. The gases inside the lamp react when electricity charges up the mercury gas creating very bright light. The voltage drops to keep the flow of electricity to the lamp.
The symptom of a bad ballast is that you could hear a constant CLICKING or electrical BUZZING sound,my recomendation is to take out the lamp to physically check for any sings,(shatter fillement,black or grey spots in the fillement or smoke ) you can get good deals at http://www.discount-merchant.com/?click=52978
Please keep us posted,
10/7/2009 2:34:02 PM • Samsung HCN4727W... • Answered on Oct 07, 2009
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