Question about Mitsubishi WT-46809 46" Rear Projection Television

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Mitsubishi wt 46809

Trying to get board out to change convergance IC's and I dont know how to get the white connectors loose along the edge of the board there are three on one side and two on the other that connect the boards together. They have aprox 20 wires in them and they are flat with some white insulation in the middle.
Thank you

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I just did this repair last week and here's what I did... I took a flat bladed screwdriver and CAREFULLY twisted it underneath each end of the connectors EQUALLY to be sure they raised out without damage.

Posted on Dec 06, 2008

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Mitsubishi WT-46809 Powers Off; Code 2-2


The 2 fuses you mentioned are associated with the convergence IC. If they are open then the convergence IC is either bad or you have a "cold" solder joint on the IC.

Feb 01, 2009 | Mitsubishi WT-46809 46" Rear Projection...

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Mitsubishi wt-46809


the vertical deflection IC if defective will cause the protection circut not to let the tv power up ,it has a thermal protection circut as well
here is the vertical deflection IC # la78045
and here is a link for the NTE equivalent part and specifications and pin layout
http://www.nteinc.com/specs/7200to7299/pdf/nte7209.pdf WARNING if you heat up any component to long or with to hot of an iron you can dammage the component and or the thermal protection circut
but I believe you will also have to replace the flyback (high voltage transformer ) with wire giving to much voltage

Oct 11, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

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see if the ics warm up ...out your hand on them if so they getting power.. if cold you lost a resistor or 2.

Sep 25, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Convergence on kdp-65ws550


Good Day, s_d_duncan;

The board for this 2001 Model is no longer available. Now, if you can solder, you can repair yourself. The parts you will need are two STK 392-570 (HIC), convergence IC's, part number 270P150010.

If you can't replace yourself, please call an authorized service center to give an estimate....

Good Luck, big IRISH.

Aug 03, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Installing STK392-570 IC's on a Mitsubishi WT-46809


tburg05,
Whoever told you that the WT46809 took two STK392-570 Ic for convergence amps were absolutely - 100% correct... The amps are located at position number Ic8c01 & Ic8c02 on the board. Very difficult to miss too they are about half the size of a pack of cigarettes and 1/4 as thick. They are Mitsubishi part number 267p150010 and after replacing them you want to also check all the low ohm resistors in that circuit for the yoke return.
If you order them don't get them from ebay or some other less than ignorant place, our industry is loaded with chineese knock-offs that would last tem minutes in your set before failing again... Personally I'd order them from Acme Enterprises out of Florida, 800-575-9833 and know that they were Sanyo originals that way.
BTW: If you replace these yourself make sure to use a generous portion of heat sink compound on the new installs for heat dissipation.
Bill

Dec 11, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Rear projection set


Convergence circuit repair = replace STK392-570 IC's........
Located on center circuit board on large heat sinks........T.

Please rate this solution...................

Nov 07, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Thanks for your help with the Mitsubishi WT 46809 but, there is more:


Fuses and IC's are soldered in on large PC board in center of chassis....
Your model is a tight fit that is usually repaired by chassis pull first, then
board repair, normally by a skilled Mits tech........

Oct 11, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

MItsubishi WT 46809- not staying on when turned on


One or more fuse devices open==caused by convergence IC

shorted. Solution==replace fuse(s) and STK I.C.(s).

Oct 08, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

MITSUBISHI WT-46809 46" HDTV CONVERGENCE IC PROBLEM


On this set if it still turns on and you see a picture then the only thing you will need to replace are the ICs. Use heat sink compound on the new ICs before replacing the old ones. If you have a parts supplier in your town, then, use them. If not, Radio Shack will do in a pinch. The old ones may be stuck to the heat sink, so, a flat blade screwdriver may help with that. Use a clean soldering iron and good solder wick. Good Luck

Jun 10, 2007 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

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I have the MITSUBISHI WT-46809 46" HDTV CONVERGENCE IC PROBLEM as well. I just ordered the STK392-570 IC for 7 bucks and I am going to attempt to switch them both out (two of them). I am getting the overstated "bow tie", "RBG separation" issue that you are talking about. I am going to attempt to de-solder the intergrated chips and put new ones in. I figure it is worth the shot, insted of paying 350-650 bucks to have some **** with average skills do the same I figure it is better to have this **** with average skills do it and keep the cash. I will let you know how it goes.... DJ

Feb 24, 2007 | Mitsubishi WT-46809 46" Rear Projection...

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