Multi-Mode RX423PC Musical Bell Circuit Schematic Diagram
Multi-Mode RX423PC Musical Bell Board and Components Layout
Parts List
Resistor :
- R1 ……………………………. 820K
- R2 ……………………………… 47K
- R3 ……………………………. 330K
- R4 …………………………….. 180K
- R5 …………………………….. 100K
- R6 ………………………………. 15K
- R7 ………………………………. 10K
- R8 ……………………………… 10M
Variable Resistor :
- VR1,VR2 ……………………… 100K
Capacitor :
- C1 ……………………………….. 33pF
- C2,C3 …………………………. 150pF
- C4 ………………………………. 0,1uF
- C5 ……………………………….. 10uF
- C6,C7 …………………………… 47uF
- C8 …………………………….. 0,47uF
Transistor :
- TR1 ………………………… FCS 9012
- TR2 ………………………… FCS 9013
Integrated Circuit :
- IC1 ………………………….. RX423PC
- S1 : A. Auto stop; B. Repetitive – Non-stop.
- S2 : C. 8 songs in a row ; D. Only one song.
- S3 : Song changes on every button press.
- S4 : Start.
