YCV50BLUE m613 Service Update for V2.10 boards (additional)

1. First complete the Service fix PC#6865 as described in the pdf: Service_YCV50-m613_Update_for_V2.10_PC#6865.pdf

To upgrade the unit from v2.10 to v2.20 PC#6889, complete the following:

2. Replace jumper X61 with a 1K resistor, #4823:

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Yorkville Sound YS1003 service manual YCV50BLUE m613 Service Update for V2.10 boards additional