You could check if the headphone out still gives a good signal, you at least know if the problem is in the power amp or not.
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Quote from: Enzo on May 11, 2009, 09:44:14 PM
All the TIPs will have the same pinout.
Did you leave out the mica insulator under any of them? Go down the row of power transistors and see if the tab is shorted to the heat sink.