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Convergence chip - RCA Televison & Video

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U have all the tools,like a soldering iron and a desoldering pump or a roll of desoldering braids and also can do soldering too?Yes.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy ur tv model and make for a convergence kit to do the repair it ur self or the shop will cost u like $300-350 for parts and labors.

Posted on Mar 16, 2011

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Convergence problem


Both convergence chips need to be replaced and or some resistors and set adjusted.

If have the original remote go into menu and select convergence to see if it will adjust---if not chips etc need to be replaced.

Set most likely uses 2 stk-392-120 chips but a few use the -110 chip.
5_30_2012_3_21_08_pm.jpg

May 29, 2012 | Philips Televison & Video

1 Answer

I have a Hitachi 43fdx01b and I have just replaced the two convergence chips because of a "Red" convergence issue. I learned the hard way about the desoldering and resoldering, but got it done. Now i...


did you check the resistors by the convergence chips? check to see if they are open. the resistors are usually lined up on the other side of the heatsink as the convergence chips.

RK42 2.2 ohm 1 Watt
RK46 1.5 ohm 1 Watt
RK50 2.2 ohm 1 Watt
RK54 1.5 ohm 1 Watt
RK58 3.3 ohm 1 Watt
RK62 1.8 ohm 1 Watt

the convergence chips to be used are
IK04 STK394-160E Part #: CZ01341
IK05 STK394-160E Part #: CZ01341

Oct 07, 2010 | Televison & Video

1 Answer

Where are the convergence chips located on my 60PP9202 for the red


There are 2 Convergence Chips: 1 for Horizontal (it includes Red, Green and Blue Convergence channels) and 1 for Vertical (it includes Red, Green and Blue Convergence channels). Horizontal Convergence Chip is 7044 and Vertical convergence Chip is 7045 (both STK392-120). They are fixed in same "big" Heat Sink, with a 2 metal black clips, from Video Inputs board side.

Oct 19, 2009 | Philips 60PP9202 60" Rear Projection...

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I already change the convergence chips and the red lines still bowed and the problem was not corrected, any clue on what else could be wrong?


First check the 6 resistors on the convergence board 2.2 ohm or .22
red ,red silver gold i think . if they check with in 5% , you got a bad
convergence IC , it happens. remember the chip cost about 8-12.00 etch
so , once in awhile you get a bad chip. and since the bowing red line
is normally corrected by the convergence chips . that makes them
highly suspect. also the convergence set up should allow you to
offset this . If not , swap the chips again.

also check your solder joints ,make sure you don't have any gaps.
or bridges.

If you have any questions just comment and ill respond

Rob

Oct 12, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Phillips 51pw93 blue convergence chip bad.


Way to risky to replace one , besides
they are cheap 10.00 -20.00 etch

the load ballance is also offset from
0ne chip to another. They need to
be replaced as a set

Jun 30, 2009 | Televison & Video

1 Answer

Convergence


I'm assume you are referring to a non adjustable convergence option. this will occur when you have a damaged convergence chip set that is located on either the PC board or the convergence board. The location of the affected chip will vary from model to model but, in most units, this can be fixed by replacing the convergence board or chip.

May 31, 2009 | RCA HD61W66 61" Projection HDTV

1 Answer

Blue convergence is off right will not adjust


Hi. there is a malfunction that has occurred within the convergence chip that is located on the PC board(demod). this is a Hybrid chip that controls the calibrations of the RGB streams. If this chip becomes unstable, it will not allow proper calibrations.

Replacing this failed chip will fix this issue.

The actual sony chip is not available at this time but, there is a compatible chip that will work with your set. i will post a link to the affected part below.

CLICK HERE FOR YOUR REPLACEMENT CHIPS

May 11, 2009 | Sony KP-53V75 53" Rear Projection...

1 Answer

Service code needed to complete convergence adjustments


I have the service convergence code: mute-1-8-3 (make sure your tv is on and set to antenna. if it doesn't work press S. Mode and make sure is says standard then re-enter code.

So, I have the code but I need the convergence chips. Where did you get the convergence chips?

Jan 26, 2009 | Samsung HCM653W 65" Rear Projection...

1 Answer

Red Convergence Bowing




You have a convergence problem. Here are some of the most common symptoms.
 
Screen looks 3D
One or more colors can't be adjusted when using the convergence menu. 
Screen is bowed in but stationary.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem. 

>>>Solution<<<< 

You need to replace the convergence chips and convergence resistors. 

Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. 

Jan 02, 2009 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Update and a few questions (Convergence Problems - VS-55601 55 in Projection)


yes, they go bad interment because they have a large current go thru them and they generate heat, they are mounted on a heat sink with white silicone to help disapate heat. replace both not just one, try MCM Electronics get heat sink compound also

Oct 06, 2006 | Mitsubishi VS-55601 55" Rear Projection...

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