Question about Mitsubishi WS-65809 65" Rear Projection Television

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ICS What are ICS and where are the fuses located?

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I'm guessing your talkin about convergance ic's. if so they are located on the biggest heat sync in the set. should be two ic's on it, enless it is one huge ic's.
The fuses are usually located at the back of the set usually next to a small transformer. they are usually not glass fuses but solid green small and they are soldered in the board. you can check them with any ohm meter and they should check shorted. your meter should read 0 when you test them.
you may have to hold your meter on the fuse for up to 10 seconds to make sure it stays on 0.
the ic's are flat and sit up vertically on the heat sync.
if your confused and dont want to try it, then i would recomend you get a local service center to do it for you.

Posted on Apr 24, 2008

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Kd-46wt500 sony big screen colors dont line up is projectors goin out picture on tv is blurry pic looks stretched out as well


Can you verify the model number and see if its A KP46WT500 model? If so chances are just the convergence Ics ( stk 392-560 ) and pico fuses are the problem. There are 6 3.5 amp pico fuses directly beneath the heat sink fins on the D board ( where the Convergence ICs are located) Check those six pico fuses and also two 5 amp picos on the G board ( where power cord plugs in) if any of the picos on either board are open then the Convergence ICs will require replacement.

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Check power supply board located on the Right bottom board,in the middle is a 6amp Fuse it could be blowed.
Located on the Left Hand side should be the Big Black ICs will have part number on them STK392-110 ,Bad STK ICs can cause this also.
Mats Electronic Parts 1-800-628-1118 they will have ICs ,ect...

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Bought a convergence repair kit for my Samsung HCP-4752W DLP...ICs are replaced and I'm ready to refit the board back in the unit...the kit came with two 3 amp pico fuses...I can not see any similar...


Pico Fuses are either Green or Yellow ,they are in many different circuits near STKs,and Startup Power Supply boards.
Encompass Parts Distribution sells Parts and Boards for this Model.
Most of the time their is 2 resistors that need to be replaced 3.9ohms located in front of ICs.
First just replace the ICs ,you might not need to do anything else.

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Hi. our problem with our pioneer sd-p55a3 is that it wont turn on. when you press the power button it clicks to turn on, but then nothing happens. can you help us?


Look for Blowed Fuse on the Power supply board located in the middle of the board 6.3amps and if its OK then replace Both of the STK ICs Black ICs will have PN STK392-110s use 150s Mats Electronics.com has them these ICs retail for $55.00 each your cost $9.95 1-800-628-1118

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1 Answer

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replace the two STK392-560 convergence ICs they are located on the two large aluminum haet sinks on the DBoard also check the yellow pico fuses near the ICs

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1 Answer

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fl231 is the convergence fuse, and is soldered to the board in proximity of the convergence ICS, on RCA rear projection TVs.


If
fl231 has blown, TV usually does not turn on at al, if you get bowed picture, that means that the convergence ICs must be replaced.

The fuse is on the same board where you find convergence ICs, if the fuse had blown, or the pico fuses at the base of the STK convergence ics had blown, the STKs must be replaced.
There is need of purchasing the service manual to do the job.

The repair shuld be done by a technician.

This is the convergence IC, model may vary:

889c46e.jpg

Dec 13, 2008 | Projection Televisions

1 Answer

Convergence


The ICs are located on the D board Tan board on the lower left side looking in from the rear. They old Ics will need to be desoldered and replacements soldered in. Also check the yellow pico fuses located under the fins of the ICs heat sink, usually some of those will be open ( Blown) replace them with 3.5 amp pico fuses.

Nov 28, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

My big screen tv


Those are the two 5amp pico fuses that go out when the convergenec Ics go out on a mitsubishi. You can get the ICs and pico fuses at the following link. If youre not sure which ICs you need leave them a email with your model nuber.Heres the link
http://servicemanuals.vstore.ca/

Sep 01, 2008 | Projection Televisions

1 Answer

Akai replacement parts


You are not likely to find the board easily, but you should be able to replace the convergence ICs relatively easily. Look at the board. Try resoldering the pins on the STK ICs. If that fails to resolve your problem, replace the ICs. There may be some pico fuses located close by or low valued resistors that may be open. Check for those as well.

Keep us posted.
Dan

Jul 23, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

LG PROJECTION TV. I`M NOT ABLE TO ADJUST CONVERGENCE ANNYMORE. THE BLUE PROJECTEUR IS COMPLETELY HOT OF FOCUS.IMPOSSIBLE TO MOVE ON THE RIGHT OR LEFT SIDE BLUE PROJECTEUR.


There is a problem with the convergence circuit that requires service. If you can solder, you can repair this yourself. First try resoldering the pins on the convergence ICs. If that fails to resolve the problem, replace the ICs. There may also be some small Pico fuses located close by that should be checked if replacing the ICs as well. These ICs are large black ICs attached to a heat sink and should be marked STKxxx.

Please keep us updated on your progress.

Thanks,
Dan

Jun 25, 2008 | LG Projection Televisions

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