Repair of a Cambridge Audio CXA80
Автор: myalbatech
Загружено: 2021-07-15
Просмотров: 10005
Описание:
This amplifier had an error code indicating there was a DC problem. After going round the houses we discover its the convoluted protection circuit that's at fault!
A repair was previously attempted by a company that says they do Cambridge repairs. The owner of the amp paid a fortune for them to not repair it. In-fact it was never going to work with what we find here.
Once all the protection stuff was sorted a secondary problem then showed up. This does not appear to be an unusual one: https://www.stereo.net.au/forums/topi...
Some pondering later we figure that one out and play some music to celebrate!
Some further pondering afterword's and I wonder if the sensitivity to the 15v rail is to do with the pull up on the fault line. Should have checked on that - maybe next time...
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