Thursday, August 25, 2011

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UM3561 - SIMPLE SOUND EFFECTS GENERATOR CIRCUIT SCHEMATIC DIAGRAM

UM3561 - SIMPLE SOUND EFFECTS GENERATOR CIRCUIT SCHEMATIC DIAGRAM

The 2 pole 4 way switch controls the sound effects. Position 1 (as drawn) being a Police siren, position 2 is a fire engine sound, 3 is an ambulance and position 4 is a machine gun effect.

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