Question about Sony KP-61V90 61" Rear Projection Television

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Convergence the auto convergence setting is not functioning. when the option is selected colours aren't alind and as such ther is a poor picture quality.

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  • bakercar Mar 09, 2009

    thank you for the support.I do know how to solder and would like to attempt repairing of my convergence, myself, so if there is any additional information u can give, I would be very greatful. Thank you.

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This can be as simple as poor connections on the convergence ICs or defective ICs. If you can solder you should be able to repair this yourself. Please let me know if you wish to attempt the repair and I will provide additional details and instructions.

Thanks,
Dan
I'm not sure which question will be returned to you, so I have prpovided hte same solution/request in both. Please only update one. Thanks

Posted on Mar 06, 2009

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1 Answer

My sansui rear projection tv's picture is concave with convergence problem also how can i fix it


The convergence can become unstable if you have a failing colour wheel if a dlp set. the same thing can happen if your lamps is beginning to fail the poor frequency of light from bulb disrupts picture. Convergence is usually done by entering service technician code into set through the remote and entering the engineering sub menu and if you don't know what your doing or have a colour pattern generator you could make things considerably worse .

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I hav a RCA model D52W25 its 52" it has convergence problems dont know how to setup the color things can u help??


Click on the following link :

http://www.riddledtv.com/repair/RCA.html. Go to the following section

RCA 52" D52W25 ITC222 rca_d52w25_small.jpg
(2) (3) (4)
(5) Stretched Image at top and bottom edge very distorted. Reheat all the surface mount solder points on the Small Signal Board. Then realign the set including convergence menu. To enter service mode: power off the set for 10 sec, then hold down Vol- and Ch- buttons for 10 sec. See this link: Alignment Procedure (pdf)


Also download the Alignment procedure pdf file. Hope this will help you. Please let me know if the information was of any help to you or you need further assistance.

Thanks

Oct 08, 2008 | Projection Televisions

1 Answer

Poor picture quality, the picture is blurred and


You have problem with convergence. Have you tried adjusting in the users menu. This is a common problem in this type of TV, usually two convergence amp need to be replaced and sometimes sets of resistors are also to be changed.

Mar 02, 2010 | Sony KP-43T70 43" Rear Projection...

1 Answer

I have aMagnavox 9P6040 C104.The picture is extremely poor.


The problem is the fluid in the Blue and Green CRT's needs replaced. ( ethylene glycol ) It not something you should attempt if you've never done one. The average price with most shops is around $250.00, and your other concern, there is no auto convergence on that model. It's all done by remote in your menu and in the service mode, but that's not your issue, just get the fluid replaced and your back in business. Have a nice Holiday Weekend.

May 23, 2009 | Philips Projection Televisions

1 Answer

Poor pictre quality


This set has 3 CRT's (picture tubes)
Remove the back bottom cover
Clean the CRT's with windex and a soft cloth.
(Find the Screen/Focus block)----Remove front grill cover and panel which covers the Screen/focus block.
Cover 2 crt's and adjust the focus control for remaining crt---(using the convergence pattern in the menu for the set)
adjust for the best focus.
cover that crt and move on to the next crt using the same procedure.
After setting the focus on all 3 tube's you will have the best focus possible for this set. If picture is still bad, you have bad crt's and the set is junk.
Cost to replace the CRT's is enormous!
Craig

May 08, 2009 | Projection Televisions

1 Answer

Samsung rear project colour problem blue and yellow


Hi I am vortash sounds like you have a convergence problem and I am guessing you dont have the manual for this set .. there is one available free from http://www.safemanuals.com
this section here deals with the convergence but their are other things in the settings that can cause this so download your own full copy Regards Vortash e03fb99.jpg

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The covergence


I have a kp-61v90. I love this tv. Recently the flash focus isnt working,,,,, the colors are not lining up to give me a solid cross in the middle so it makes everything look as if i were wearing 3-d galsses. Yes i can solder, but what am i soldering. Help me please....my man cave is out of commission.

Mar 06, 2009 | Sony KP-61V90 61" Rear Projection...

2 Answers

Akai PT5250A - I cannot converge correctly.


this fixed this problem
Plugs on the chassis coming from keyboard and side video input are switched (they have same plug)
redoo convergence save and auto focus in factory mode after switching plugs

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you will need to replace the convergence ICs. Post your model number and I will post the part numbers along with a link where you can order them and get free step by step installation instructions with pictures so you can do the repair yourself and save about 350.00

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