Yorkville Sound YS1003 用户手册
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: