Would any fellow tech's have any suggestions on how to isolate a shutdown on a Zenith IQB50M92W. I've gone thru the flow charts of Zenith and Hitachi,like disconnecting the E994 fuse and Q913 to ascertain were the problem is. Which leads to the 23 other causes of shutdown. My question is do I one by one check these B+'s in or out of circuit and fire up set for each one. Or is part replacement the only way. I hope someone can shine some light on this. Every time I send a Horiz/Power supply it comes back in worse shape or almost always the convergence would have to be completly gone over. Any help would be appreciated. Thanks Bill -- ***************************** Bill Grabowski Triangle Appliance Kenosha,Wi 53142 262-694-6500 262-694-6523 fax bgrabowski@xxxxxxxxx ***************************** ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/