Elenco AM Radio Kit - Manual (Page 24)

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ASSEMBLY INSTRUCTIONS - ANTENNA, MIXER AND OSCILLATOR
L1 - Antenna (see Figure K)
C2 - .02 μF Discap (203)
or .022
μF Discap (223)
TP1 - Test Point Pin
(see Figure E)
R2 - 12k
Ω Resistor
(brown-red-orange-gold)
R3 - 3.3k
Ω Resistor
(orange-orange-red-gold)
Figure J2
Fasten the knob (dial) into place
with a M2.5 x 3.8mm screw to
the C1 post.
Turn the dial fully clockwise.
Remove the protective backing
from the label and align the
1600 with the arrow on the PC
board.
Tuning Capacitor
Figure J1
Your kit may contain a 3 lead or a 4 lead
capacitor. Bend the leads as shown. Fasten C1
into place on the top side of the PC board with
two M2.5 x 3.8mm” screws.
C1
Screw Holes
Knob Post
Solder leads
to pads
3 Leads
4 Leads
R1 - 56k Ω Resistor
(green-blue-orange-gold)
L2 - Oscillator Coil (red dot)
Q1 - 2N3904 Transistor NPN
(see Figure G)
C3 - .01
μF Discap (103)
C1 - Tuning Capacitor
3 Screws M2.5 x 3.8mm
(see Figure J1)
Knob (dial)
Label, Dial Knob
(see Figure J2)
Foil Side
Solder the tuning capacitor. Be very careful,
excessive heat can damage the capacitor’s
dielectric insulation.