Just found a Kenwood screwup on the tr-7950. On the power-output board where the PA module is connected is a 470 uf Cap designated C 1. The silkscreen on the board shows the + terminal going to gnd. The origional cap that was factory installed was installed with the positive lead going to the + on the board. This is obviously wrong as the Gnd Foil is the minus lead not the + lead. The cap had swolen up and burst due to incorrect installation. Almost blew another cap till I verified that the MINUS goes to the foil, not the way its marked on the PC board. If you have a 7950 or 7930 you would do well to pull off the back and inspect the Cap installed at C1. Its the only large filter cap on this board so its easy to locate. If the case looks bulged, better get another cap and install it correctly. 73, N5WX @ N5WX.OK