Power Supply Circuit Diagram

smps repair guide

Switch mode power supply circuit diagram comes with the bridge circuit, it has a bridge rectifier. Bridge rectifier should be a four individual diodes or single pack rectifier. In the diagram of smps bridge rectifier has a function to convert AC source as incoming voltage to DC voltage and flow through capacitor as a ripple voltage filter (capacitor value usually is 220uf 400volt). Some countries use AC source 220 to 240 VAC, so you get DC voltage approx 300 VDC. And if use 110-120 VAC as incoming source you get about 150 to 160 VDC of direct current voltage.

In order to analyze the problem of smps you have to perform voltage testing on it bridge rectifier diagram. Here the detailed information and step by step guide to perform voltage testing on various switch mode power supply device and locate the problem.

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