Rotel RA820AX Repair (With Audio Tutorial)

Fault 1
Tone controls not operating correctly, noticeable difference between the left and right channels.

Common issue due to oxidised selection switches.

Selection switches removed and cleaned with a fibre glass pencil and        De-Oxit.

Fault 2
Intermittent loss of Audio and distortion on the right channel.
The fault was only evident when speakers were connected.

Output protection fuses and holders, coated in green oxidisation.

New fuses holders and fuses installed, fixing the issue.

User controls cleaned with De-Oxit to ensure noise free operation.

Bias for each channel adjusted to 10 millivolts.

Amplifier fully tested working correctly.

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