SOUND GENERATOR K4401 . 10 of s, sirens .. . e n tu , ts c e a button Sound eff e touch of th t a m e th Specifications Loudspeakers output : 8 ohm/1W Line output : 1VRms. Power supply : 8 - 10VDC (9v battery). Max.
Features & Specifications Features: 10 different Sounds : Sirens, Machine gun, Mortar, Car engine… Adjustable sound speed. Push-button keyboard. Specifications: Loudspeakers output : 8 ohm/1W Line output : 1VRms. Power supply : 8 - 10VDC (9v battery). Max. current consumption : 100mA Secured against polarity reversal of the supply voltage. Effects : Machine-gun (random number of shots with bullet impact). European siren. Phasor gun (STAR-WARS-like machine-gun).
Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: A good quality soldering iron (25-40W) with a small tip. Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will protect the tip, and enables you to make good connections.
Assembly hints 1.
Construction 1. Diodes. Watch the polarity ! 3. Resistors 4. Metal film resistor R... R... D1 D2 D3 D4 D5 D6 D7 D9 D10 : : : : : : : : : 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4007 CATHODE 2. Zenerdiode. Watch the polarity ! ZD1 : 5V1 CATHODE ZD... D...
Construction & connection 6. Correction network 7. Capacitors. Fit the diode D8 vertically and with one lead connected for the present. C... D8 : 1N4148 D8 C1 : 22pF (22) C2 : 100nF (104) D8 Mount one side of R16 vertically on the anode side of D8. R16 : 470 D8 8. Transistors. T1 : T2 : T3 : T4 : D8 Then connect the free extremities of each dioderesistor pair together and cut them.
Construction 9. PCB - pins 12. Push buttons 14. Axe. OUT + OUT LS + LS +9V -9V 10. Trim potentiometer RV1 : 47K 11. Electrolytic Capacitors. Watch the polarity ! C5 C6 C7 C8 : : : : 1µF 47µF 47µF 100µF SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 Fit the potentiometer axe. 13. IC Watch the polarity ! C...
Connection & use 15. Connection & use - 9V BATTERY + Black Red ON/OFF - 9V + - ATTENTION: With some of the effects (e.g. sirens, car engine) OUT + it's necessary to keep the push button pressed. The speed of the effects can be changed (optimized) by turning the potentiometer. - K4401 LS + The OUT output allows you to extra amplify the sounds or to connect them to a mixing panel. In this case you possibly can disconnect the loudspeaker.
PCB 16. PCB layout.
C1 R15 OSC1 RV1 SPEED R1 +V +V R11 R12 +V R13 +V 19 7 21 6 D8 T1 D2 C5 R3 +V RC0 RC1 RC3 R16 18 8 RA3 RA2 RA1 RA0 27 9 R10 +V 2 1 7 6 25 D7 T2 D4 D3 D9 5 D10 RB2 12 C3 R5 +V RC2 RC7 20 IC1 13 RB3 3 4 8 9 - 9VDC + D6 T3 D5 R9 RC6 24 11 1 2 3 4 5 6 7 8 9 10 T4 R4 R7 R6 4 2 28 C7 +V +V1 R8 - LINE OUT + C4 C6 LS VSS VCC +V MCLR C2 R14 +V D1 WILD CHARGE MORTAR & EXPL.
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