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Output of the Auxiliary power board

Jimmy
Jimmy Contributor Level 2
edited August 2023 in General

When I test the output voltage P_15V and D_6.5V of the auxiliary power board for CRD-22AD12N (just give the power to auxiliary power board, not connected to the main power board), I got 18.6V and 9.8V respectively, why this happens?

Thanks~

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