CA3240a
VR2
CA3240b
VR1
C1
Capacitance
2.2nF
C2
Capacitance
4.7nF
C12
Capacitance
100nF
C3
Capacitance
330nF
C7
Capacitance
100nF
C16
Capacitance
1nF
C13
Capacitance
100nF
C6
Capacitance
100nF
C4
Capacitance
100nF
C11
Capacitance
10nF
C9
Capacitance
100nF
C18
Capacitance
100nF
C17
Capacitance
100nF
R19
Resistance
1kΩ
R13
Resistance
100kΩ
R5
Resistance
100kΩ
R3
Resistance
2kΩ
R9
Resistance
47 Ω
R11
Resistance
3kΩ
R4
Resistance
100kΩ
R6
Resistance
100kΩ
R20
Resistance
100 Ω
R14
Resistance
100kΩ
R12
Resistance
100kΩ
R17
Resistance
560kΩ
ne555b
R16
Resistance
33kΩ
R18
Resistance
560kΩ
R25
Resistance
10kΩ
R24
Resistance
10kΩ
R2
Resistance
2kΩ
R21
Resistance
100 Ω
R15
Resistance
100kΩ
R23
Resistance
1kΩ
R10
Resistance
82kΩ
ne555a
R1
Resistance
2kΩ
R22
Resistance
3kΩ
Q3
D1
LED1
C14
Capacitance
100uF
LED2
ON OFF
battery+
Q1
C8
Capacitance
47uF
C5
Capacitance
47uF
lm 393
passive active switch
deaper audio on off switch
C10
Capacitance
2.2uF
C15
Capacitance
47uF
TXswitch
meter response
Q2
FSD meter+
TX coil
F COIL
Gold detector
