Elenco AM/FM Radio Kit - Manual (Page 47)

-46-
ASSEMBLY INSTRUCTIONS
STATIC TESTS
Q5 BIAS
Figure 43
TP10 - Test Point Pin
(see Figure Q)
T2 - FM IF Coil
(Green Dot)
C17 - .01
μ
F Discap (103)
R16 - 10k
Ω
Resistor
(brown-black-orange-gold)
R18 - 1k Ω Resistor
(brown-black-red-gold)
R17 - 47k
Ω
Resistor
(yellow-violet-orange-gold)
R19 - 10k
Ω
Resistor
(brown-black-orange-gold)
Q5 - 2N3904 Transistor
(see Figure R)
C20 - .01 μ F Discap (103)
C18 - .01 μ F Discap (103)
Connect your VOM to the circuit as shown in Figure 43.
Turn the power ON. The voltage at the base of Q5
should be approximately 1.4 volts. Turn the power OFF. If you do not get this reading, check R17, R16,
R18, Q5 and T2.
If you don’t have an RF generator and oscilloscope, skip to Section 8.
GND
TP15