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Posts tagged 7805

Automatic battery charger circuit

Automatic battery charger circuit Part 2N3055, 7812, 1N4148, 7805, 1815, relay,

7805 voltage regulator circuit

7805 voltage regulator circuit using IC lm7805

500W PA amplifier with Layout APEX B500

Database Schema Diagram APEX B500 APEX B500 Parts List   2SA1943, 2SC5200, NE5532, 2N5551, 2N5401, MJE350, MJE340, MJE15032, MJE15033 500W PA amplifier with Layout APEX B500  

How to Repair the volume pot is dirty or worn?

How to Repair the volume pot is dirty or worn? Usually the speakers crackle crackle or rough voice when playing the The cause is dirty or worn pot, so that the audio signal does not have constraints in the rules. How to Repair the volume pot is dirty or worn, the rotating movement of a […]

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