Universal Power Module Circuit Diagram | Working and Connection Details

Universal power module converts AC to DC using SMPS design, commonly used in TV power boards for stable voltage output.

Universal power module diagram

A universal power module is commonly used in televisions and electronic devices that require stable DC voltage from AC mains. This circuit works as a switch-mode power supply (SMPS), converting high AC voltage (around 300V DC after rectification) into a low and regulated DC output. It uses a transformer, optocoupler, and feedback system for voltage control and isolation. The module ensures efficient power delivery with minimal heat loss and compact design. Such circuits are mainly found in CRT TVs, LCD power boards, and other home appliances needing isolated DC power.

Helper7.com provides universal power module circuit details, explaining SMPS working, components, and usage in TV power supply boards.

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