Uploaded February 2026 | Updated September 2026, 2 weeks ago

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In this video, I go into a little more detail regarding the inspection for connection issues and the cleaning / service of the relays on the relay board, as well as the inspection of the speaker jack board. This info is applicable on any similar type of set up, i.e., "principal based" servicing.

#vintageaudiorepair #retroelectrotech