•
•
C.
2
d
Frequency Check
Con
ec a 10
.
24 Hz ampl ifier
to a frequency counter, check the frequency of X 101 (2nd OSC)
•
1
a
l
oo
se couple.
It should be:
10.240MHz ±400Hz.
ec
e
i
er Spurious Response
Connec
a spea er and m
i
l
li
v
o
l
t
me
te
r
to the EXT
SP
terminal. Connect a 50 ohm dummy load to
: e a
a
erminal.
All
receiver
spurious should be supressed less tha 3dB, over entire frequency
a
c
.
e
c
e
i
e
udio Output
a
illivoltmeter ,
oscilloscope, an
�
a distortion meter to the EXT SP terminal. To the ANT
:e
i
n
a
l
connect
a signal
generator
and set the signal generator to -80 to - 90dBm and deviation to
z. Turn the
AF VO L control clockwise . Read the millivoltmeter when the distortion is 10%
.
7- 9
