18 W stereo amplifier circuit

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TDA1009 circuit amplifier , this circuit is stereo amplifier and simple schematic .Minimum voltage require 9V and maximum voltage 24V. To avoid damaged IC please use supply voltage 12 volt and must be filtering voltage. Power output 2 X 18 W with impedance 4 Ohm.See circuit schematic and troubleshooting amplifier :
Click to view larger

 If circuit not working ,possible cause is on :
  • Supply voltage.
  • Components damaged , such as IC , resistor ,and Capacitor.
  • Installation components inverted.
  • Broken line PCB.
  • Input not connected. Or input grounding.
  • Output Not connected.
  • Speakers damaged.

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