Question about Mitsubishi WT-46809 46" Rear Projection Television
I have a convergence problem on my WT-46809. A previous post informed me that the stk392-570 IC's should be installed on the center circuit board on large heat sinks to remedy this problem. I have inspected the tv to find none of the IC's are labeled STK392-570. How do I figure out which IC's to replace? How many should i order? Your help is greatly appreciated.
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
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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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