-65-TroubleshootingNo SoundCheck following steps.Check IC5001 and peripheral circuit.Check 9V power supply.check if the audio signalis observed at pins 2 and9 of Ic5001.Check audio output circuit.Check speaker, connection of the terminal “K8F”.YesNoCheck IC501 and peripheral circuit.Check the Mute signal at pin 1 of IC501. The Mute signal is output frompin 267 of IC 01. The OUT_DET signal is sent from Audio Outterminal.Mute-On: H at pin 267 of IC01, L at pin 1 of IC501.check if the audio signalis observed at pins 5 and8 of Ic5031.YesNoCheck IC5002 and peripheral circuit.Check the Pins 7 and 16 of IC5002, the voltage is respectively -7V and5V.Check the pin 10 of IC5002.check if the audio signalis observed at pins 3 and13 of Ic5002.YesNo
