Icom IC-RP1620 Service Manual page 30

6.4 RECEIVER ADJUSTMENT
*This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
RX UNlT
Sensitivity
adjustment
VALUE
Minimum distortion
level
ADJUSTMENT
POINT
UNIT
RX
ADJUSTMENT ADJUSTMENT CONDITIONS
[LOCAL INHIBIT] switch: ON
Connect the SSG to the [RX ANT]
connector and set as:
Level
: 10 pV (-87 dBm)
Modulation : 1 kHz
Deviation : k3.5 kHz
(Wide version)
k
1.75 kHz
(Narrow version)
Receiving
ADJUST
Adjust in
sequence
C2, C6,
C15, C19,
C23, 18,
L9
SENSITIVITY
1
MEASUREMENT
UNIT
RX
LOCATION
Connect the
distortion meter to
the [MICROPHONE]
connector, pin 3 (AF)
and 6 (GND) with an
AC millivoltmeter.