Advertisement
FM modulated.
For adjustment in step 1, see [Note].
l
TEST
A
N
D STA- QUEN-
GE
10.7
1
FM
IF
MHz
RF (Connect instruments as shown in Figure 5-2.)
87 .I
Band
FM
2
MHz
Repeat steps 2,3,4 and 5 until no further improvement
6
can be made.
When ceramic filters other than the one (red)
central frequency of 10.7 MHz are used, note that a marker
therefore, adjust the generator by putting off the marker.
Unless otherwise specified, resistors are shown in ohm,
Uniess otherwise specified, capacitors are shown in
l
microfarads, P = Picofarads
(CH), (RH) : Temperature compensation
l
REMARKS
High
Adjust for
end of
best "S"
dial
curve.
Low
end
of
dial
Adjust for
maximum
output.
NOTES ON SCHEMATIC DIAGRAM
FM SWEEP GENERATOR
TP2
FM SIGNAL
GENERATOR
2: Output impedance of signal gsnertior
the
. The voltages in each part are measured with no signal given,
by using a digital multimeter with the unit in play mode.
The following must also be observed:
Radio circuit: Voltages without parentheses are for FM
mode,
A M m o d e
Specifications or wiring diagram of this model are subject
l
to change for improvement without prior notice.
OSCILLOSCOPE CURVE
TP5
Telescopic
Earphone
TP2
To Chassis GND
, Color Mark
and those with parentheses for
ELECTRONIC
VOLTMETER
1. Input
2. GND
3. output
Advertisement
