Elenco SEE AMFM108CK - Manual (Page 38)

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ASSEMBLY INSTRUCTIONS
STATIC TESTS
Q5 BIAS
Figure 34
TP10 - Test Point Pin
(see Figure A)
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 C)
C20 - .01 μ F Discap (103)
C18 - .01 μ F Discap (103)
TP15
COM V
V
Connect your VOM to the circuit as shown in Figure 34.
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.