Question about Mitsubishi WT-46809 46" Rear Projection Television
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Posted on Jan 02, 2017
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
Posted on Jun 11, 2007
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.
Posted on Dec 11, 2007
U check all the resistors with the Ohm Meter?All the resistors u check it in tolerance?Resolders all the resistors,so it make good resistance for the ICS?U do all these steps,u still have problems,Ur ICS some how it shorted it dead,again.
Posted on Apr 02, 2010
That is error code 22 which means the unit had a momentary recovery from a reset. You should unplug it for 30 minutes, then plug in and try it again. This will reset the fault and if there are no other problems the unit will work ok. Let me know if you need more help. Thanks for using FixYa and for the generous rating.
Posted on May 07, 2010
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One or more fuse devices open==caused by convergence IC
shorted. Solution==replace fuse(s) and STK I.C.(s).
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