20 Most Recent Sony KP-51HW40 51" Rear Projection Television - Page 8 Questions & Answers

0helpful
1answer

Turns on and flashes 4 times no picture

Google to this website Understanding Sony Blinking Codes.
9/16/2010 10:38:17 PM • Sony KP-51HW40... • Answered on Sep 16, 2010
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1answer

Sony KP-51HW40 rear projection TV.

Hi,
If tv is working fine then suddenly screen becomes green and shows thin few retrace lines then tv shuts down/ off that shows problem of green picture tube that will be replaced.
Let me know if above symptoms are correct to proceed or post correct symptoms of tv to diagnose possible cause of problem.
Thanks.
9/16/2010 7:17:10 AM • Sony KP-51HW40... • Answered on Sep 16, 2010
0helpful
1answer

Turn tv on,picture good for

This is a set with bad picture tubes-not available except on rebuild basis.

Are you seeing bright green screen and then set shuts off?

Let me know so I can help--8 blinks is AKB error.

SD TECH
9/15/2010 1:52:32 AM • Sony KP-51HW40... • Answered on Sep 15, 2010
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1answer

My sony projection tv have black spot on the about

If it is a black box, check the menu under closed captions, look to see if TEXT is highlighted.

It can also come from a cable or sat box but the box should only show on some channels.

If this information helped you rate this solution as very helpful as I do this here for free.

SD TECH
8/27/2010 10:21:08 PM • Sony KP-51HW40... • Answered on Aug 27, 2010
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1answer

The screen gets red with no picture. so i openned

yes u have bad picture tube but is not the green is the red , the red picture tube id over voltege , thats way u had red picture ,
8/26/2010 10:36:57 PM • Sony KP-51HW40... • Answered on Aug 26, 2010
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1answer

After initial warmup ~15 Seconds,

Hi:
This a common problem with sony rear projections, You should start with the most common solution to repair before futher diagnostics or repair.
8/26/2010 12:36:10 AM • Sony KP-51HW40... • Answered on Aug 26, 2010
0helpful
1answer

The words are double and color running together

Model indicated uses two of the STK-392-560 convergence chips--see attached photos.

Both need to be replaced and set adjusted with remote--fairly easy if you are handy. Total parts cost will on EBAY be under 25 dollars.

If this information told you something you did not know, rate this solution as very helpful as I do this here for free.

If you need help, I am here.

SD TECH

846cd5e.jpgCHIPS are located on other side of metal fins on heat sinks and should be STK-392-560--NUMBER WILL BE ON FRONT OF THEM.



f0c68e1.jpg
8/25/2010 11:19:20 PM • Sony KP-51HW40... • Answered on Aug 25, 2010
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1answer

Words are duplicated about 3

This model uses two of the STK-392-560 CHIPS FOR CONVERGENCE. See attached photos.

Total parts cost for do it yourself on Ebay is under 25 dollars.

I can tell you how and what to do.

If the pictures which show convergence problems or what I have told you help, rate this solution as very helpful as I do this here for free.

SD TECH



b82fd88.jpg




26a1602.jpg
8/25/2010 3:50:22 AM • Sony KP-51HW40... • Answered on Aug 25, 2010
0helpful
1answer

Hello I've 2 problems 1: I

1 - the green light is the return beam from the green CRT - it should have been blocked; this happens when, because of old age, the polarisations of the tubes go off; the aged components must be replaced and the polarisations readjusted - a job for an experienced pro.
2 - the screen (if it's about it) has multiple layers - if one of them gets damaged then the entire screen is gone, it's impossible to fix it, it must be replaced. Find one here
http://www.tvscreenrepair.com/
8/24/2010 7:19:22 PM • Sony KP-51HW40... • Answered on Aug 24, 2010
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1answer

Need to purchase the projection mirrot for

I suggest you call local repair shops and see if they have replacement parts for that model. Sometimes you can get a good deal on a used mirror which is just as good as a new mirror. Your set was a very popular model so chances are good for finding replacement parts locally. Good luck, Russmann.
8/17/2010 3:35:38 PM • Sony KP-51HW40... • Answered on Aug 17, 2010
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1answer

Sony television,model number KP51HW40,serial

If you are saying it goes to a bright blue screen I can tell you what to try.

This model has a history of bad picture tubes--red,green and mostly blue.

The blue screen can be turned down and I can tell you how.

The way you will know if this is your problem is take the set to a unused video input--all you should see is video 1 etc in green; if you see blue with or without trace lines you have the problem.

Let me know what you find and if so I will tell you how to adjust the set manually to try to correct it.

SD TECH

8/17/2010 3:06:58 AM • Sony KP-51HW40... • Answered on Aug 17, 2010
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1answer

TV has a discoloration on right side of tv

I recently had a warranty issue with a different Sony TV, so it's possible this could be the case with your TV too.

Try this link for suggestions: http://www.kb.sony.com/selfservice/microsites/search.do?cmd=displayKC&externalId=C88962&fes=true&mdl=KP51HW40

Otherwise, it's a good idea to call Sony directly and explain the problem and see if there are any outstanding recalls on your model for this exact problem. This is what happened for me, and the entire panel was replaced free of charge. The link for their technical support is here:
http://esupport.sony.com/US/perl/support-contacts.pl?mdltype_id=34
You can select talk, chat, or email.

http://esupport.sony.com/US/perl/support-contacts.pl?mdltype_id=34
8/15/2010 7:12:50 PM • Sony KP-51HW40... • Answered on Aug 15, 2010
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1answer

The red color seems to

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

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
8/14/2010 4:48:53 AM • Sony KP-51HW40... • Answered on Aug 14, 2010
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2answers

It willonly go on if i keep hiting it on and off

How many times does the light on the front blink when it doesn't turn on? This will give you the diagnostic trouble code so that you can narrow down the exact problem. once I have that information I can assist you further.
Thank you,
Lee
8/11/2010 8:21:56 PM • Sony KP-51HW40... • Answered on Aug 11, 2010
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1answer

Flash Focus does not correct

No,any colors lines mis alignments.The tv convergence board parts are dead.The 2 STK convergence ICS and some or all it resistors are dead.These parts must be replace on the tv convergence board.To solveved convergence problems.The shop,will cost u $300-350 for parts and labors.
8/10/2010 9:44:45 PM • Sony KP-51HW40... • Answered on Aug 10, 2010
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1answer

My sony KP-51W500 when turned on, comes on normal

Blue CRT short p/n 873364935
8/9/2010 5:37:07 AM • Sony KP-51HW40... • Answered on Aug 09, 2010
0helpful
2answers

I have a Sony KP5WS510 and picture comes out with

It seems convergence output chips failure in your tv and convergence settingswont fix it, replace defective ICs to fix the issue.
Let me know if you need more helpful info.
Thanks.
8/5/2010 10:26:48 AM • Sony KP-51HW40... • Answered on Aug 05, 2010
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1answer

Color off on my tv

Install the Sony Type 1 convergence repair kit available from www.tvrepairworld.com The kit contains the Parts and the CD with repair instructions.
7/31/2010 10:42:02 AM • Sony KP-51HW40... • Answered on Jul 31, 2010
0helpful
1answer

After the tv is on

It sounds like a bad crt on the red picture tube, but impossible to tell for sure w/out seeing it. These sony's have a lot of trouble w/ the tubes and crt's.That would be the first thing I would check. From the front of the set, you can gently tap the neck of the red pic. tube w/ the handle of a screwdriver while the set it on, and watch to see if the set flickers or if the red changes. You may want to let a tech take a look at it and give you an estimate. If this is the problem it will probably be fairly expensive to repair. You may be better off to get a new set.
7/29/2010 1:20:58 PM • Sony KP-51HW40... • Answered on Jul 29, 2010
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