Icom IC-FR3000 - Page 90

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4-3 RX ADJUSTMENT
RX
SENSITIVITY
• LCD display : A03 LW MRTUN
• Connect a standard signal generator
to the RX antenna connector and set
as:
Frequency : 465.075 MHz
Level : 10 µV* (–87 dBm)
Modulation : 1 kHz
Deviation : ±3 kHz
• Receiving
RX
Connect a digital multi
meter or oscilloscope
to check point CP18.
Maximum
voltage
RX C11
C12
C10
C27
C28
C26
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT
ADJUST
MEASUREMENT ADJUSTMENT
CP18
HJ4
CP1
CP18
RX sensitivity chack point
RX sensitivity adjustment
C28
C27
C10
C12
C11
C26
• RX UNIT TOP VIEW