Creality 4.2.2

Is this 8 pin component on the creality 4.2.2 board the buck converter Ender 3 pro has... silent board...? : ender3 Ender creality v4 mainboard ender3 3dedge

Creality V4.2.7 Silent Board - YouTube

Creality board v4 silent Creality v4.2.7 silent board Creality component simultaneously stilll converter shutting buck diagnosing cause running

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Ender 3 Pro has... silent board...? : ender3

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Is this 8 pin component on the creality 4.2.2 board the buck converter

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Creality V4.2.7 Silent Board - YouTube