DIY positive / negative power supply

DIY positive / negative power supply (December 8, 2019)

Specification.
Input voltage: AC 100V
Output voltage/current: DC +-20V, 1.5A(Max)
Main parts: Transformer:BANDO ELECTRONICS ATS7223
Regureter IC:JRC NJM7815, NJM7915
Zener diode:1N5231 (5.1V)

Front view.

Front view.(top cover removed)

Back view.(top cover removed)

DIY constant voltage circuit unit.

DIY constant voltage circuit unit.(top cover removed)

DIY constant voltage circuit board.

Connected to the constant voltage circuit unit.

Connected to constant voltage circuit unit.

Connected to DIY LM1875T STEREO Power Amplifier.

If you interested in the DIY LM1875T STEREO Power Amplifier, refer to ' DIY LM1875T STEREO Power Amplifier'.

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