CA3240a
VR2
CA3240b
VR1
R19
Resistance
1kΩ
R5
Resistance
100kΩ
R3
Resistance
2kΩ
R9
Resistance
47 Ω
R11
Resistance
3kΩ
R4
Resistance
100kΩ
R6
Resistance
100kΩ
R20
Resistance
100 Ω
R12
Resistance
100kΩ
R17
Resistance
560kΩ
R16
Resistance
33kΩ
R18
Resistance
560kΩ
R25
Resistance
10kΩ
R24
Resistance
10kΩ
R15
Resistance
100kΩ
R23
Resistance
1kΩ
R10
Resistance
82kΩ
Q3
Q1
C8
Capacitance
47uF
C5
Capacitance
47uF
C10
Capacitance
2.2uF
Q2
LED1
C12
Capacitance
100nF
C3
Capacitance
330nF
C7
Capacitance
100nF
C16
Capacitance
1nF
C13
Capacitance
100nF
TXswitch
C6
Capacitance
100nF
TX coil
C4
Capacitance
100nF
C11
Capacitance
10nF
C9
Capacitance
100nF
C18
Capacitance
100nF
C17
Capacitance
100nF
ne555b
lm 393
ne555a
passive active switch
Gold detector
