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Old 22nd July 2014, 12:54 AM   #1
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Default yorkville 6040

This amp had bad outputs on one channel.I replace output and drivers and it is playing good audio.The protect light is on and the other channel which i found no bad parts is not playing audio.I think the protection circuit have a problem but i cant find it.Any help is appreciated .
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Old 23rd July 2014, 08:20 PM   #2
dimitri is offline dimitri  United States
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Old 23rd July 2014, 09:35 PM   #3
amptech is offline amptech  Scotland
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If you know how to check volts with power on.. Start off by noting ht supply's next check the input circuits.. Amp circuits are input/ vas/ output stage...

If you have a working side this will aid tracing the faulty side out..
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Old 23rd July 2014, 10:04 PM   #4
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Thanks for the schematic and info.I will check for un match voltages and report back.
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