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how to check the daily problems of dc regulated power supply
- Jun 26, 2018 -

The method of checking the daily problems of dc stabilized voltage supply

1. Unstable voltage and current

The potentiometer has bad contact

2. Voltage out of control

The power tube is broken, or the potentiometer is open, or the IC is broken

3. The voltage cannot be regulated

The relay is out of order

4.LED displays lack of strokes

Fake welding of digital tube

5. No load

The relay is broken or faked welded

6. No electricity

The fuse blew out or the switch broke

7. No voltage

Power tube open circuit, or relay open circuit