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Sony BVU-110 3/4 inch U-matic player does play well with no problems but theres is no color.... any help?

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I just started to have picture problems with my sony kp-61s65 tv. the picture looks double and the top and bottom of the picture is oval. It is something that i can do or replace to fix it?

This model was was made around 1999 and most of the Sony sets use two STK-392-560 OR two of the STK-392-110 CONVERGENCE CHIPS.

The chips are located on two metal heat sinks with fins and usually are on the board on the far left as you look from the back of the TV.

They will be black in color--about 2 and 1/2 inches wide by 1 and 1/2 inches tall and black in color--they will have the STK full number printed on them in white.

A pair of either chips can be bought on Ebay for about 12 dollars plus shipping----there are several fuses that do not look like fuses that protect them--two are on the power board and the rest are around the chips.

What needs to be done here if convergence is bowed and or will not adjust---both chips and any other bad parts--fuses etc need to be located and replaced---usual parts cost is under 30 dollars.

The board will have to be removed from the frame to get at them and they and the fuses are soldered in---you need to be able to solder etc.

If you can do the repair or know a friend who can do it for you -----you can save the set and a lot of money

Most shops are going to get 300 or more for this type of repair.

I know as I have done hundreds of these sets with convergence problems---

I am here to help people---I do this here for free--if you have questions or need advice let me know.

Regards, SD TECH

Oct 31, 2009 | Sony KP-61S65 61" Rear Projection...

1 Answer

Sony xbr 60 grand wega color problem.

It sounds like to me you have a bad Optical Block. It is a expensive repair and you may want to call Sony at 1800-222-SONY and see if the would assist you in repairs. Due to the age of it, they would probably only cover a partial amount of the repair.
Hope this helps,

Jul 23, 2009 | Sony Grand WEGA KF60XBR800 60" Rear...

2 Answers

Mitsubishi vs-55707 or vs-50707????? bouncing horizontal lines weird color

If the picture looks like a 3D then you have a convergence failure.
I would suggest to visually inspect the STK Ics for dry or crystallized solder joints.
IC8C01 - STK392-110
IC8C02 - STK392-110

Dec 11, 2008 | Televison & Video

1 Answer

Sony KP 43ht20

there is a convergence problem inside the set you will need a good tech.

Aug 31, 2008 | Sony KP-46WT520 46" Rear Projection...

1 Answer


Convergence Amp IC issue....originals are STK392-110..replace
W / upgrade Stk394-160E Hitachi part # CZ 01341 and check nearby resistors for overheating............................T.

Jan 07, 2008 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

Sony 65 Inch Projection TV Color Red Green Separation

Sounds like a convergence issue. Call Sony for an ASC that can come out and give you an estimate. You are probably looking at $200-400 to do the repair.

Nov 02, 2007 | Sony KP-65WS500 65" Rear Projection...

3 Answers


If you mean that one of the colors has suddenly drooped toward the center, creating a curve along the side where the colors no longer line up, it means that one of your convergence IC's has burned out and needs to be replaced. You should not play with the convergence settings when this happens because when the IC is replaced, the settings will be all out and have to be reset. It is a good idea to replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's or realigned convergence circuits then allow a qualified tech to handle it for you.

Aug 06, 2007 | Hitachi 50UX57B 50" Rear Projection...

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