rpress wrote: > To check if there is something else shorted downstream you can use an > ohmmeter across the electrolytic capacitor to see if it's shorted (low > resistance). First remove the fried Q3. If across the cap is shorted, > then you will need to figure out what part is shorted and fix that too. > It won't be the electrolytic cap but something else connected to that > supply. > > Let us know what your ohmmeter reads across that capacitor. Try the > test leads both directions, too. Hi rpress. Same problem but different person. When my Radio died I connected a genuine battery and it killed my Q3 MOSFET. Ive replaced the MOSFET (DMP2215L) and am reluctant to attempt to replace the U2 power amplifier chip (TPA3101D2) suggested in the other thread, so am trying to identify the other simpler options. With Q3 replaced, I checked the resistance across the electrolytic capacitor and it is 9 ohms. Any suggestions?
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