Question about Mitsubishi VS-50705 50" Rear Projection Television

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Mitsubishi VS-50705 covergence problem.

I replaced the 2 STK chips. Can you five me the part numbers for the resistors. I see some R8C01 through R8C04 and some R8C19 through R8C50. These look like the old big type with stripes. There are some smaller looking types like R8C51 but they look very small and difficult to replace. Can you give me specifics?

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Take the parts you want replaced into Radio Shack and they should be able to match them up quickly and sell you what you need. It should be fairly cheap too. If you still need the numbers let me know but this would be the best way to do this.

Posted on Jun 04, 2008

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My Mitsubishi tv vs70707 convergence problems. I just replaced my 2 STK convergence chips, and double check my soldering. Still have 3d pictures and can't find pico fuses. Glass fuses are ok.


Need a better picture, but usually fuses are listed as F(number) and would be on the power input to the STK chips. The resistors should be checked as well.

Feb 28, 2015 | Mitsubishi Projection Televisions

1 Answer

Stk part number for vs-7083


model not listed--sure it is not a VS-70803?

That model uses the 392-040 chips and for that matter you can look inside to confirm the number right on the chips.

Jun 07, 2012 | Mitsubishi VS-7083 70" Rear Projection...

1 Answer

Color distortion, hazy snowy screen with thin red lines, suddenly happened had perfect pic 24 hours ago


Tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board require replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Feb 01, 2011 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

I have a Mitsubishi Rear Projection tv (vs-50705). The picture shows a concave image on the top and bottom of screen and the edges go off the screen. I have red blue and green ghost images on the screen...


Well, you did the right first step. However, when the convergence outputs toast up they sometimes cause other problems. First would be the fuses that supply them voltage. These are pico fuses back in the power supply. Second would be open supply resistors that have opened up because of the excessive current draw caused by the whacked out convergence amps. When changing the outputs doesn't solve the problem it takes the repair out of the realm of the do-it-yourselfer. My recommendation is to let a professional take over.

Jun 06, 2009 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

My Mitsubishi VS-50705 has an all over 3-D effect.


Yes it sounds to be convergence issue .

You have convergence problem in your tv . You need to replace convergence IC . YOu can get from the link below .

Convergence ICs

You need to replace both convergence ICs .It will cost you around $30 .
The IC number is STK392-110 .

Hope this helps .

Mar 03, 2009 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Distorted picture,After power loss


Replace both STKs covergence chips 392-56or 570s use same STK numbers.

Dec 12, 2008 | Mitsubishi VS-50805 50" Rear Projection...

1 Answer

Mitsubishi ws-65809 focus problem


this is is some resistors on the conversion IC or IC's that control the color alignment
these big chips should also be replaced , they are on big heat sinks and the chips indentification will be on them they start with STK followed by numbers , you can get these from an electronic parts supplier store , but make sure you get all bad resistors replaced and change any electrolitic capacitors that don't look good
here is an example and also might be your chips
http://www.nteinc.com/specs/7100to7199/pdf/nte7178_81.pdf

electech

Oct 24, 2008 | Mitsubishi VS-45607 45" Rear Projection...

2 Answers

VS-50705 Picture shrinks to the top of the screen. Now I have it in a room that is 60 degrees, no problems!


now a days, TV don't have replaceable parts any more. the next best thing is to replace the board. it could be the HV, horizontal or the valiance.

Oct 21, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi 50705


Good Day, tree64;
More than likely the convergence problem the TV has wont be resolved by adjustments. In your situation, moving TV, the problem most likely is poor solder connections on the convergence IC's. They are large devices attached to very large heat-sinks, and have numbers on the IC'c like STK 392-560.
If no poor connections....replce.
Good Luck, big IRISH.

Jul 04, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi VS-50705 convergence problem.


There should only be a couple of STKs, the R's are resistors, they STKs should cost under $20. This should be everything you are looking for. If you need anything else, let me know.

CHASSIS: VZ7
MODELS: VS-45605 / VS-50605 / VS-50705 / VS-55705 / VS-60705 / VS-70705

Ref # / Part # / Part Name & Description
IC8C01 267P141030 HIC- STK392-110
IC8C02 267P141030 HIC- STK392-110

Jun 05, 2008 | Mitsubishi VS-50705 50" Rear Projection...

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