Question about Sony KP-61HS30 TV

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Convergence problem... Could it be bad solder joints???

I have a Sony KP-61HS30 rear projection that is having intermittent a convergence problem. It will usually straighten out if the TV is left on for awhile. Lately its taking longer. Sometime it turns on and the convergence is fine. Originally when I looked up the problem, I found information stating that they had a problem with the solder joint due to lead free solder currently used and that it was pretty simple just to re solder the joint on a specific board. So now that I am looking to try to solder the joint repair, I wanted to find more information, but now everything I am reading is telling me to change the convergence ICs. Please
help me understand if the problem is the chip, or the solder joints. Thank you.

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If you have resolder it and still the trouble exist then that is the time to replace the ic.

Posted on Jul 31, 2009

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Replaced Convergence chips, same problem


This set has pico fuses on convergence board and also on G power board, there should be 2 5 amp pico fuses on power board.

If convergence is bad exactly as before double check the power board fuses and check to see if voltage (it is marked!) is there with power board disconnected from chassis..

Steve
3_1_2012_5_47_54_pm.jpg

Mar 01, 2012 | Sony KP-61HS30 TV

1 Answer

Convergence sony kp-57ws510


Convergence are daed.Have tools,lilke soldering iron,solders,solder wicks? Must know how to solders?Must repalaced 2 STK convergence ICS,some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Mar 31, 2010 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

I have Sony KP-46WT500 Projection TV. For some time it appears convergence went bad. I see multiple images, especially at edges and corners. As many as 3 images Red, Blue and Green. I am an Electronics...


Hi,
It would be great to assist you in Sony convergence issue.
As you said, for some time TV shows bad convergence in picture that shows its matter of lose/ dry solder joints in D board, specially on convergence out ICs pins that need to be re-solder.
There are 2 big black ICs mounted on aluminum heat sink on D Board of TV, below image shows D Board location in TV.
Resolder pins of these 2 ICs and also check any other dry/ cold solder joints in circuit board. I do not think of IC replacement as problem occurs some time.
Let me know if you have additional question.
Thanks.

bc7880f.jpg

Dec 20, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

3-D picture with color lines


Seems TV has dry/ cold solder joints (loos connections) in convergence out section.
Please check cold/ dry solder joints in convergence out section in TV, specially on pins of convergence out ICs. resolder these solder joints and all would be fine.

Sep 28, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

I have a KP-61HS30 and the picture is blurry or double


This is the stk392-??? ic's are bad. the repair can cost about $250 to 300 to fix by a pro. If you are a diy er you can replace the ic's on the board i have written an article on how to do this.
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/

Sep 02, 2009 | Sony KP-41T65 41" Rear Projection...

1 Answer

Appearing rainbow colour for sometime and getting off.


There are few cold (dry) solder joints in convergence board of your tv Sony KP-46WT500
Please inspect convergence board and resold dry solder joints.

Oct 18, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

KP-61HS30 Sony TV turn pink and green text is bowed


Hi,

Check out CONVERGENCE GALLERY . If you see your symptoms you have a problem in your convergence amplifier circuits. Typical Sony Convergence repair requires disassembly for replacement of 2 ICs, sometimes a fuse or 2, then TV is like new.

It is much more complicated than changing batteries on your remote. Many consumers try unsuccessfully to do a convergence repair. I recommend finding someone competent to do it for a reasonable price. Typical repair shop charges may be from $400 to $650.

If you are in the Calgary area, call me. More reasonable rates.

easyab

Jul 31, 2008 | Sony KP-41T65 41" Rear Projection...

1 Answer

Model Sony 61HS30


no, if touch focus didnt correct it, you will need to replace the convergence ICs

Mar 20, 2008 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Convergence problem


Sounds like bad solder connections on the convergence circuit board. Better get it looked at before the damage becomes permanent.

Jan 28, 2007 | Sony KP-EF41 41" Rear Projection...

1 Answer

SONY KP-61HS30


When one or all the colors are bending severly, then the convergence circuit is not functioning correctly and must be repaired. Only one color bending means just the convergence ICs and all colors bending means convergence ICs and voltage supplies. Convergence issues are the most common problem with rear projection (w/picture tubes) televisions. The cure is replacing the convergence IC's. Sometimes the pico fuses need replaced as well. If you have the experience to use a soldering iron and a basic understanding of electronics, then, you may be able to do this job. If not then call a servicer in your area. Go to the Sony website, Sony.com, and you can locate one in your area.

Jan 07, 2007 | Sony KP-61HS30 TV

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