How to test for broken chip (TDA1541A)?

12 Cents · 28th September 2005, 09:34 AM

Hello,

unfortunately, my TDA1541A is gone quiet. How can I test if its gone or if something other is not right? The receiver circuit works when feeding a TDA1543. Also the output stage has worked at least one time together with the 1541, so now I blame the chip. I have no spare one to compare.

Thanks,
theduke

12 Cents · 7th October 2005, 04:44 PM

Could I have exited the chip with switching power on and off repeatedly with a few seconds on and off time? How else could I fry such a chip? Is ESD likely? I usually dont touch the legs and think I haven't done it here.

Thanks anyone who might have a pointer.

28th September 2005, 09:34 AM	#1
12 Cents diyAudio Member Join Date: Nov 2004	How to test for broken chip (TDA1541A)? Hello, unfortunately, my TDA1541A is gone quiet. How can I test if its gone or if something other is not right? The receiver circuit works when feeding a TDA1543. Also the output stage has worked at least one time together with the 1541, so now I blame the chip. I have no spare one to compare. Thanks, theduke

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7th October 2005, 04:44 PM	#2
12 Cents diyAudio Member Join Date: Nov 2004	Could I have exited the chip with switching power on and off repeatedly with a few seconds on and off time? How else could I fry such a chip? Is ESD likely? I usually dont touch the legs and think I haven't done it here. Thanks anyone who might have a pointer.