21
MEASUREMENTS AND ADJUSTMENTS
1. FM, AM TRACKING VOLTAGE ADJUSTMENTS
(FM, AM)
DC VOLTMETER........................... CONNECT TO TEST POINT TP1 and GND
NO.
Band
Frequency
Adjust for
Adjustment
1
FM
87.50MHz
1.5V
L7
2
AM
530KHz
1V
T102
2. AM RF ADJUSTMENT
Signal Generator ........................ Connects to the AM ANT. Coil through the loop antenna.
Adjust for the indication of VTVM of the wave form of scope to be maximum.
BAND
Step
Frequency
Adjust for
Adjustment
1
610KHz
Maximum sensitivity
T101, L104
2
1510KHz
Maximum sensitivity
C127
3
Repeat steps 1 and 2 several times.
AM
3. FM-RF ADJUSTMENT
Signal Generator ........................ Connect to FM ANT JACK (FM IN) through the dummy.
NO.
Frequency
Adjust for
Adjustment
1
90.10MHz
Maximum Sensitivity
L2, L5, L6
2
Repeat step 1 several times.
TP03
GND
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