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FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T4
10.7MHz
FM FREQUENCY COVERAGE CONFIRMATION
Adjust part
Frequency display
reading on digital
voltmeter
Confirmation
87.5MHz
1.2 – 1.6V
Confirmation
108MHz
7.7 – 8.3V
Connect and Adjustment Location :
TP1
+
–
AM frequency coverage
FM frequency coverage
Digital voltmeter
100K
Ω
L4 : AM Tracking Adjustment
VT
GND
L5 : AM Frequency coverage Adjustment
T2 : AM IF Adjustment
T4 : FM IF Adjustment
SR1 : Auto Stop Level Adjustment
[MAIN BOARD] (Component side)
FM RF signal
generator
22.5kHz frequency deviation by
400Hz signal.
Output level : 30dB
µ
FM EXT.
ANT.
terminal
0.01
µ
F
1. Set the frequency of FM SSG to 98MHz.
2. Press the TUNE button of the unit to start the AUTO TUNING.
3. Adjustment the SR1 to stop the auto tuning at 30dB
µ
SSG out-
put
Auto Stop Level Adjustment