As shown in the figure, the 12V power supply is unstable and fluctuates. What’s going on?

2017-10-05View Original

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As shown in the figure, the 12V power supply is unstable and fluctuates. What’s going on?

Reply #22017-10-05

This issue is likely due to poor current stabilization in your circuit; it’s not expensive, so just replace it

Reply #32017-10-05

This transformer may be faulty

Reply #42017-10-05

The power supply is likely faulty, and repairing it is complicated; it’s better to replace it directly.

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