Question about Samsung HCL4715W 47" Rear Projection Television

Samsung HCL4715w Hdtv convergence issue

The tv was found with a note attached that reads "convergence needs fixing, and when i turn it on i can hear audio but no picture at all except dark black in the center and regular blue on the left and right sides.

dbzgtlegacy Jan 27, 2013

Now the tv powers off after a while and gives no picture at all

1 Answer

drhightower

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10 Answers

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

Posted on Jan 27, 2013

dbzgtlegacy Jan 27, 2013

I tried this but i can not even see any menu at all, all i see is blue circles at each edge and a black cross in the center

5 Related Answers

William Rayburn

934 Answers

SOURCE: how to realign the picture tubes

You should NOT need to re-align the crts to correct this problem... Chances are the failure is in your convergence circuit and most likely the convergence amps, (IZ103 & IZ104)Samsung p/n#AA62-30173D which may be substituted to an original STK394-250 and you'll need two of those. (Make sure they're not cheap knock-offs).. You may also want to test the resistors feeding those amps for change in value. And if I've lost you with any of this take the set to a qualified tech for the reapir - - you'll be money ahead... Under no circumstances should you need to change or alter the CRT placement. Chances are better for you winning the lotto three times in a row than it being a placement problem...

Posted on Jun 01, 2007

Anonymous

6 Answers

SOURCE: Samsung HC-P4752w CRT picture problem/alignment issue?

the lines that move are the from the auto self focus on the tv. I have the same model. go to menu and then setup and you can turn the self focus off. The only problem I have with mine, is after the tv is on for about twenty minutes, the convergience is misaligned on the left and right sides of the screen, I am currently trying to figure out how to fix it.

Posted on Jan 26, 2008

Sonny Berry

8617 Answers

SOURCE: convergence board for Samsung HCL4715w

The Convergence ICs will need to be replaced , 95% of the time thats the problem they are on the sub board not the convergence board. You will need two STK392-040 ICs . you can get replacements at the following link and they will provide free installation instructions along with free on-line tech support when you install them. takes about 45 minutes. Heres the link.
http://servicemanuals.vstore.ca/

Posted on Apr 21, 2008

Anonymous

137 Answers

SOURCE: Blue Convergence

Hello All Above,
Your one and only problem is a bad convergence Amp board. Changing it will fix your set. You can contact http://www.interactiverepair.com for step by step assistant with installation of this board.
List price $100
Part Number: BP95-00142P

Best regards
circuitcity

Posted on Jun 22, 2008

Edward

3459 Answers

SOURCE: Samsung HCN4727W Rear Projection TV, green screen, audio works

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...

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 - 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

You 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

Posted on Apr 22, 2010

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1 Answer

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.

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I Have a Sumssung HCL4715W Tv timer flashes 40r 5 times and Tv turns off

A constantly blinking light means shutdown.

The most common issue in this model is convergence-----if the convergence circuit has railed (this means shorted parts) it can cause the set to do what you describe.

Before I suggest a course of action----what is your skill level with electronic repairs? Can you solder and or do a visual inspection?

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Our samsung HCl4715W tv is all connected right but our picture is scrambled where you see double exposure and the color is off. Can not find our manual. any suggestions?

The problem of your tv is the convergence. Projection tv set has a 3 colors red,blue and green this 3 colors must be properly lined up to look the video normal. When this 3 colors is not properly aligned the video will produce a double image of color or like a 3d or wavy. In order to fix this problem you should adjust it in the menu program of your tv you should move any of the colors to up or down, left or right if you cannot align the 3 colors the problem is the convergence ic it must be replace. To locate the convergence ic you should remove the back cover of your tv but be sure to unplug your tv, you will see this ic attached in a large aluminum plate it has a marking of stk--- and followed by a numbers. or you could contact a service technician do do it for you and save you from stress. Good day and best regards.

Jul 17, 2011 | Samsung HCL4715W 47" Rear Projection...

1 Answer

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.

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1 Answer

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...

1 Answer

Convergence Board for hcl4715w Samsung TV

Part can be found at http://www.vancebaldwin.com - the part is located on the floor of the tv, inside, the middle board. You will have to unplug the tv, carefully remove the back (and front speaker cover) of the tv, and unplug all of wires coming into it. You will also have to remove all of the screws holding it down. The replacement part will fit exactly into the same place - screw the screws back in, plug the wires back into the same place (if you've ever replaced memory in a computer, this will feel very familiar). Once everything is plugged back up, plug in the tv and restart, then run the smart convergence from the remote.

If your TV does not power up, and you have made VERY sure everything is plugged in correctly, then the board you've purchased may be faulty. Return it for a new one. The boards are fragile and can be bad straight out of the box (like computer memory *smile*).

Best wishes -

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

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