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Old 3rd April 2013, 03:58 AM   #11
fap is offline fap  Australia
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Join Date: Sep 2010
Location: North Queensland.
G'day all, just an update. It's fixed and working well again. The fault turned out to be one faulty LM1875T and I replaced both for the sake of uniformity, one bridge rectifier (one diode was shorted) and one leaky electrolytic filter capacitor.

The originals were working every day since about 2005 so that's a pretty good lifetime. I don't know what failed first but here's hoping for another good few years of normal operation. Thanks to all here for their help with fault finding on this. Regards, Felix.
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Old 3rd April 2013, 06:33 AM   #12
Mooly is offline Mooly  United Kingdom
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Thanks for the update. Great news to hear you have fixed it
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