Question about Sony KP-57WS500 57" Rear Projection Television

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Convergence ware are they located at so i can change them

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They are located on the D board which is the brown board on the left side of the chassis attached to the large aluminum heat sinks

Posted on Aug 29, 2008

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Rca projection televisions HD52W68YX39 CONVERSION CHIP

This set does not use a convergence chip. All discrete parts.

Two things to check--Is the convergence option still seen in the menu?

If not there is a kit for that with 3 parts to change. And if convergence was going in and out before this---the set is prone to bad solder connections under the high voltage transformer where the 3 part kit is located also.

The board with the transformer is would have to be removed to look for the bad connections.

Transformer is also called a Flyback.


Jun 01, 2012 | RCA P56812BL 56" Rear Projection...

1 Answer

Picture is off center colors off location

Ur tv have a convergence problems,it dead.The convergence board the 2 STK convergence ICS and some or all it resistors are dead.To fixes convergence problems.The convergence board all these parts must be changed to get the onvergence in sink again to get the colors and picture to normal.The tv shop will cost u $300-350 for parts and labors.

May 24, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

Sony model kp57ws510 rear projection. convergence problem. convergence button on front of tv does nothing

There are a set of convergece chips that need to be replaced. If they have been replaced and you still have the convergence problem you will need to change ceramic fuses in the power supply or on the board where the STK chips are located

Mar 04, 2010 | Projection Televisions

1 Answer

Mitsuibishi WS65809

The only items on your set that should need replacement would be both convergence IC IC801 and IC802 which are both STK392-570 and you will also need to change the two 5 Amp pico fuses which are F9A04 and F9A05 they are both % amp pico fuses. All parts are located on the center Board

Oct 23, 2008 | Projection Televisions

2 Answers

I'm experiencing different colors on the tv when displaying an image.

If these colors appear to be like a 3-D image, the problem is in the convergence circuit. Please update this with the make and model and I will provide you with further information and instructions.


Sep 24, 2008 | Projection Televisions

2 Answers


Which board are you refering to as the main circuit board? The power supply PWB ? The Deflection / Convergence PWB ? or the Signal PWB ? respond to this same post and I can help you out, but there isnt a PWB called " main" In that chassis hitachi.

Jul 31, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

Convergence amps

you need to change the ics that are located on the converge board is the one that is screw to the heat sink change both or the closes to the rear is for green vertical and horizontal and blue vertical and the one closes to the front is for the red vertical and horizontal and blue horizotal it starts with a STK number.

Jun 16, 2008 | Toshiba 55HX70 55" Rear Projection...

1 Answer

51PP9303H/17 convergence repair help

I would change all convergence IC not just the one that holds the red. You will need the schematic to get the resistors location.

May 01, 2008 | Projection Televisions

1 Answer

Samsung TV model HCN5527W

The actual Convergence amp ICs not located on the convergence board are probaly what killed the origional convergence module, and likewise has killed the new board. You will need to change the convergence ICs first then replace the convergence module.
I would recommend getting the service manual . I can post a link if you would like.

Mar 17, 2008 | Projection Televisions

1 Answer

Convergence problem

did you try to do convergence thru the menu system?

Feb 21, 2008 | Sony KP-51WS500 51" Rear Projection...

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