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Fault 1
Phono stage not working.
Electrolytic Capacitors multiple failures and corrosive liquid on the PCB. All capacitors replaced, Amplifier retested Phono stage distorted on the right channel.
IC101 NJM2043DD and D102 ISS270A Replaced restoring correct operation.
Bias for each channel set to 5 millivolts.
Amplifier fully tested correct operation.