20 Most Recent Sony KP-51HW40 51" Rear Projection Television - Page 7 Questions & Answers

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Tv has worked great for 8 years. yesterday, only

Icollander,

Your problem is bad convergence ICs. They align the red and blue beams to the green for a seamless picture. They have to change the deflection of the beams by adding or possibly subtracting drive to the beams. They tend to run very hot and over time dry out the heat sink compound. The compound is there to help dissapate the heat. With no advantage the ICs will overheat and burn out. They need to be replaced. I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which explains the process and where to get the parts at the best price.

Thanks for using FixYa and for the great rating and please consider a testimonial. Great ratings will keep experts helping to solve problems. Thank you.

hardrocko
11/20/2010 12:07:24 AM • Sony KP-51HW40... • Answered on Nov 20, 2010
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1answer

Picture looks like a 3-d screen

Hi,
This kind of problem occurs due to failure of convergence output ICs in Sony KP-51HW40 tv.
Replace convergence output ICs to solve tv problem.
Local tv repairman will do this job if you have no experience of electronics stuff repair.
Thanks.
11/12/2010 3:41:30 PM • Sony KP-51HW40... • Answered on Nov 12, 2010
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1answer

My KP-51HW40 clicks off after running for a

Hi,
KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.
Thanks.
11/5/2010 1:33:43 AM • Sony KP-51HW40... • Answered on Nov 05, 2010
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1answer

The picture is wavy with the image looking like 3D

Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.

The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded over.


You can find more details and solutions here on Fixya at the following link below. Or click HERE

3d884ac.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
10/29/2010 5:54:38 AM • Sony KP-51HW40... • Answered on Oct 29, 2010
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1answer

I turn the tv on

You are right about the tubes. Do you see the board behind the tubes? They are called CRT boards and probably have some failed resistors. Usually those of very high values like 500-1000K-Ohms fail to cause this problem. I would advice that you set your multimeter to ohm meter mode and test these things. You may need a resistor color code guide for this job
http://www.262lab.com/resistor_color_code.jpg
Please post back with your observations.

Sai.
10/27/2010 1:40:21 AM • Sony KP-51HW40... • Answered on Oct 27, 2010
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1answer

The picture is blurry or you can see the outlines

Convergence circuit failure. The Sony type 1 convergence repair kit is the correct kit for your model and symptom. Its available from www.tvrepairworld.com and includes the parts and the CD with repair instructions.
10/23/2010 2:27:59 PM • Sony KP-51HW40... • Answered on Oct 23, 2010
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1answer

The convergence is out of

Hi,
It seems convergence output chips are defective and need to be replaced. It required soldering work with proper tools and prior electronics stuff repair experience.
If you are handy with electronics stuff repair then can do it yourself or ask local tv repairman to replace these ICs to solve convergence issue.
Thanks.
10/20/2010 9:53:34 PM • Sony KP-51HW40... • Answered on Oct 20, 2010
0helpful
1answer

Unable to fix the tv in the baseman. Can you split

No the TV can not be split
10/18/2010 4:31:17 PM • Sony KP-51HW40... • Answered on Oct 18, 2010
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1answer

I'm getting double color images of yellow and blue

You need to replace the two STK-392-560 CONVERGENCE IC chips this set uses.

This may be a do it yourself job if you have some skills, if not most shops charge a lot for this kind of repair.

Let me know if you have questions or need advice-I am here to help.

SD TECH
10/17/2010 9:08:49 PM • Sony KP-51HW40... • Answered on Oct 17, 2010
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1answer

What should I do if

These are symptom of defective green picture tube in tv that will be replaced to solve the issue.
It is not user level repair and experienced tech can do that job
10/14/2010 7:54:56 PM • Sony KP-51HW40... • Answered on Oct 14, 2010
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2answers

Our Sony KDF-42E2000 has a pink line (approx. 4

If the pink line is 4 inches tall, and stretches across the screen, it is safe to say that it didn't just start this way, right? It started off small, and has gradually gotten bigger.

You need to replace the Optic Assembly. If the unit is not under warranty through a third party, you are in luck.

Sony has extended the warranty for this issue through June 30, 2010. You will need to contact Sony's customer relations department (you can get their number from the back of your manual) or their website

They will find you an authorized service provider in your area, help get you set up with an appointment for a technician to come out and assess the problem, diagnose, order parts and install a new Optic Assembly. Free of charge.

Once the new optics block is in, that line will be gone, and you will be back in business.

Now, get on the phone. Seriously.

10/11/2010 8:43:54 PM • Sony KP-51HW40... • Answered on Oct 11, 2010
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1answer

Images are double... not focused.

Hello,

The problem with the television is the lamp.

Have the lamp replaced and your television will be in good condition once again.

Then if the lamp replacement does not solve the problem, then you can replace the t-com board of the television.

Take care
10/10/2010 2:50:59 AM • Sony KP-51HW40... • Answered on Oct 10, 2010
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My Sony TV model KP51WS510

hi
yes these ic could be defective depending on how serious de misconvergence is if it is very serious it could be the ic's or it could also be a
digital board witch control the whole convergence. On the other end if it is slighly off course it can be ajust easely
9/29/2010 11:20:00 PM • Sony KP-51HW40... • Answered on Sep 29, 2010
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Kp51hw40 has ble shadow on images on the left 1/3

Convergence issue. The Sony type 1 convergence repair kit from www.tvrepairworld.com should solve that issue. That kit is the one for your model. It contains the parts and repair instructions on CD.
9/29/2010 12:00:46 PM • Sony KP-51HW40... • Answered on Sep 29, 2010
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1answer

Weird blue flash when tv turns on or off

TV will need service soon, blue CRT is on its way out, will need replacing
9/26/2010 11:24:06 PM • Sony KP-51HW40... • Answered on Sep 26, 2010
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1answer

My 52" rear projectionT.V. Is about ten years old

You generally have a weak capacitor in the power supply, that will delay a startup! Second to these are poor grounds on any and all ICs attached to heat sinks. A heat sink is a large metal piece mounted on the TV board. It is a cooling fin to reduce heat on the IC. The pins are underneath these, and will have cracked rings around them. These of course reduce voltage and a promote a slow startup. Please check all capacitors with a capacitor checker and look closely underneath the TV board for bad solder grounds and resolder!
9/25/2010 6:23:43 AM • Sony KP-51HW40... • Answered on Sep 25, 2010
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1answer

When i turn it on

Usually when a TV starts producing sound but no picture a couple of faults can be attributed to it.
Least among these causes is the contrast or brightness. If either of them has been set to the lowest then you would get volume but no sound and if the channel has been changed to another station with no station then the blinking is bound to happen.
In another scenario if the picture IC in the unit has blown then you have to refer the unit to an expert to fix it. But be rest assured that the blinking lights are as a result of the TV being on a station with no reception.
Hope this solution has been helpful?
9/24/2010 12:22:45 AM • Sony KP-51HW40... • Answered on Sep 24, 2010
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1answer

Picture runs down on bottom and up on top and

The convergence needs repair. The Sony type 1 convergence repair kit from www.tvrepairworld.com is the correct kit for your model. The kit contains the parts and the CD with instructions.
9/22/2010 12:57:05 AM • Sony KP-51HW40... • Answered on Sep 22, 2010
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1answer

Sony KP 51 HW 40 - in left half of screen picture

This problems very common on DLP Tvs.This problems known as a convergence problems,it dead.Colors lines R,G,B mis alignment,have colors shadows or 3D pictures.The tv convergence board is dead.Require to be replaced on the tv convergence board 2 STK convergence ICS and some or all it resistors to solved the tv convergence board problems,to solved tv convergence picture problems.The shop,will cost about $300-350 for parts and labors.
9/18/2010 2:14:27 PM • Sony KP-51HW40... • Answered on Sep 18, 2010
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