Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Posted on Jan 14, 2008

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Mitsubishi 55" Convergence chip location? Where

Look for a big heat sink (big piece of aluminum) right behind the back access panel. The brown pressboard that you need to take of to have access to the inside of the chassis. I think there is two STK chips for this tv. Older mits only had one. The STK chip is black, should be about 3" long with about 20 pins on it. It may have a metal clip covering the part number on the front.

Feb 19, 2011 | Mitsubishi WS-55711 55" Rear Projection...

1 Answer


Possible convergence IC loading power supply. Common. Big IC(s) with #s starting STK392(3).

Apr 17, 2010 | Mitsubishi VS-60609 60" Rear Projection...

1 Answer


you have convergence menus
Activate ……..MENU-2-1-5-9

Coarse Green Tilt
Coarse Red & Blue Tilt
the TV should have a Crosshatch or convergence signal

green done first to make it level
then blue and red to match the green

be carefull not to change any other setting other than the Tilt; because you can really mess up your convergence

if the menu adjustments dont do this for you:

you have a light box assembly inside the set that has the Red, Green and Blue Guns mounted on it: it can be mis alaigned as a whole causing what you are discribing. Also, you have a mirror that relects the guns onto the back of your screen: less likely but it could be misaligned..

Just be carefull not to touch any of the following:
wires, circuits, circuit boards, heat sinks, and especially the three Big wires that go to the 3 picture tubses... they have high voltage
the heat sinks could also be live .. Just be carefull !

make sure you have really good lighting and room to work and you should be able to fix this without a problem.


Apr 09, 2009 | Mitsubishi WS-65611 65" Rear Projection...

1 Answer

Mits 55908 Convergence problem

Good Day, John;
It sounds like the Convergence IC's have poor solder connections, by re-soldering the convergence output IC's should solve your problem. The IC's are large and mounted to large silver "heat sink" with STK 392 # on them. Good Luck, big IRISH.

Aug 29, 2008 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Mits 46805 - Replaced IC's now picture is dim!

Good Day, Nickb2b;

The IC's you installed will not cause a dark/dim picture......but I would like you to check two things:

1. Make sure you put all cables that you may have unplugged into their proper positions, the cables are marked with numbers, ensure all cables are properly seated,

2. Look for fluid on the PCB's.

Good Luck, big IRISH.

Jun 21, 2008 | Mitsubishi WT-46805 46" Rear Projection...

2 Answers

Red convergence will not adjust.

Replace STK393-570 convergence amp IC = common repair
for qualified Mits tech............................T.

Nov 09, 2007 | Mitsubishi WT-42413 42" Rear Projection...

1 Answer


Replace STK392-570 convergence amp IC's = common repair for a qualified Mits tech.......................T.

Nov 05, 2007 | Mitsubishi WS-65903 65" Rear Projection...

4 Answers

Convergence Problem?

Convergence problems are what you have possibly a pincushion error. Either way if you have to have a repair shop do the repair, you should look at replacing the old TV.

Jan 26, 2007 | Mitsubishi VS-5043 50" Rear Projection...

2 Answers

TV not turning on

Four bad capacitors in DM module = common repair for a
qualified Mits repairman.....1000mf/25v 105 degree............T.

Jan 18, 2007 | Mitsubishi WS-65713 65" Rear Projection...

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