9
WM-FX495
TUNER SECTION
AM section
BAND : AM
FM section
BAND :FM
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust parts Frequency display
Reading on digtal
voltmeter
L5 530kHz <531kHz>
Adjustment value : 1.2V
Standard value : 1.05–1.35V
Confirmation 1,710kHz <1,602kHz> Standard value : 8.5V or less
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4 620kHz <621kHz>
CT1 1,400kHz <1,395kHz>
FM FREQUENCY COVERAGE CONFIRMATION
Frequency display Reading on digtal voltmeter
Confirmation 87.5MHz Adjustment value : 4.6V
Standard value : 4.1–5.1V
108MHz Adjustment value : 7.8V
Standard value : 6.8–8.8V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7 98.0MHz
Adjustment Location : Main board
0 dB = 1µV
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
AM RF signal
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
set
16
Ω
phones jack (J301)
level meter
Frequency Coverage Adjustment
Setting :
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