Onkyo TX-DS575 Repair - No Sound, Rotary Encoder Glitch

This video provides a step-by-step guide to repairing the Onkyo TX-DS575 AV Receiver. The problems assessed in this video are: No sound, dim sound or intermittent sound and/or glitching of the rotarty encoder (volume control knob).
It includes the following steps:
Software-Reset, starting at 1:20,
Relay-Replacement, starting at 2:00, and
Cleaning of the Rotary Encoder, starting 38:18.
Replacement part used:
3x Finder F 40.52.9.024.0000 Relay
(www.reichelt.d...)
1x Hongfa HF32FA/024-HSL2 Relay
(www.reichelt.d...)