Question about Hitachi 61SWX10B 61" Rear Projection Television

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I have model 53DX20B with obvious convergance problem.Can you tell me how to remove the chips and replace them?

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Here you go, figured I'd just give you the best link for the EXACT kit you need. (includes step-by-step picture instructions)

Please rate if this helped :)

Posted on Mar 28, 2011


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Want to change the convergence chip in my philips projection tv model#51pw9363/17f

Has a projector tv model 50p8341 philips that has a pink color to it work fine but the color, has a new board in it going to throw it in the trash is 10 years old if you no anybody that need parts let me know. no one can tell me what is wrong . would you no?

Feb 19, 2013 | Philips Televison & Video

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depending on brand and model number--convergence chips need to be replaced--a brand and model number would tell me more

Mar 12, 2012 | Televison & Video

1 Answer

Mitsubishi WS55711 TV. 'm OK with a a soldering iron and have done similar repairs in the past but I'm far from an expert. I had a convergence problem and have installed a new convergence...

Since you said replaced a chip, I presume it was the one STK-393-110 which is used in some models--most of their sets use two chips------I know these sets very well.

I have a offer for you---if you have Yahoo IM we can chat there and maybe find your problem.

Here the site emails me etc.


May 28, 2011 | Televison & Video

1 Answer

Picture is distorted blurry

Model number indicated is prone to convergence problems; red or blue shadows around writing or letters---

The model indicated uses two of the STK-392-570 convergence chips; they are located on a large metal heat sink with fins at the front of the middle board inside the set.

The board has to be removed to replace them.

A pair of the chips can be purchased on EBAY (where I buy mine) for about 15 dollars-----total parts cost to fix set should be under 25 dollars.

I also have repaired hundreds of these sets and have:

Start to finish, step by step instructions for this repair in this set; they tell you everything you will need and exactly how to do the repair.

I can if you request post the instructions here for you for FREE.

I will attach a photo or two of typical convergence problems so you know if it is your problem and a photo of a typical convergence chip.

If all this information helps you, rate this solution as very helpful here as I do this for free.


ee35869.jpgTypical convergence chip---yours will have stk-392-570 on the front of them.

Red convergence skewed and off.

Convergence skewed---also a bad ic chip!

Let me know if I can assist you in any way.

Aug 13, 2010 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

I have a mitsubishi diamond model#ws-65905. I have recently replaced the convergence ic's and now I get no adjustment at all for convergence (the picture looked better before the new ic's were put on. Now,...

This model should use the STK-392-040 CHIPS.

The real question here is how did you get at or gain access to replace the chips?

I will make some assumptions: you did a good job soldering the new ones in, you did not use an electric screw gun to replace the screws that hold the board into the frame; if you removed the center board to get at them I need to advise you here of some common pitfalls that happen.

The more you can tell me the better I will be able to assist you.

SD TECH (San Diego area)

Mar 20, 2010 | Televison & Video

1 Answer

I have the 2-2 blinks problem on my ws-55809, can you help?

2,2 is short protection in this model--usually it means one of the two fuses that protect the convergence circuit are blown.

You need to replace the two STK-392-570 convergence chips this set uses along with any of the 3.9 ohm protect resistors in front of them that are bad.

The best way to do this is to get the middle board with the chips out of the set---

I have START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THIS REPAIR ON THIS MODEL--they tell you everything you will need and how to do it yourself.

You can buy a pair of the Chips on Ebay for about 12 dollars plus shipping (I can tell you the seller there to look for--I buy the chips I use there).

If you have the original remote after you replace the chips etc--you adjust the convergence with it.

These are very good sets and were not cheap when new.

If you want the instructions let me know--I cannot post My email here, but you..........

If this information helped you, rate this solution as I do this here for FREE.


Nov 18, 2009 | Mitsubishi WS-55809 55" Rear Projection...

2 Answers

Convergence does not work,why not

IT involves getting at the chips as the KP51WS510 uses two of the STK-392-560 CHIPS.

Each chip has about 18 pins that have to be unsoldered and then both chips replaced--most of the time you just need to replace both chips and adjust the set with the Sony remote--sometimes there will be another bad part around them taken out but this is not real common on these sets.

Can you solder? Are you handy if I tell you how to locate the chips and get at them?

I have repaired hundreds of sets with convergence problems.

Confirm actual model number to me and tell me if you think you can do it---if you know how to solder etc I can tell you what you will need and how to do it.


Oct 26, 2009 | Sony KP-51WS510 51" Rear Projection...

2 Answers


if you can remove the rear panel assy. look for the convergence ic's they start with stk--- and you got the part number you need a source panasonic is 814 source and the number on the ic's stk 390 ----/

Aug 22, 2007 | Panasonic PT-53WX42 53" Rear Projection...

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