Icom IC-M504

5 - 2
ADJUSTMENT
ADJUSTMENT
CONDITION
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT LOCATION UNIT ADJUST
LOCK
VOLTAGE
(Regular receive)
1 • Channel : CH16 (156.800 MHz)
• Receiving
MAIN Connect a digital multi-
meter or oscilloscope to
the check point "CP2".
1.3–2.3 V MAIN Verify
2 • Channel : CH16 (156.800 MHz)
• Output power : Low
• Transmitting
Connect a digital multi-
meter or oscilloscope to
the check point "CP1".
1.3–2.3 V Verify
LOCK
VOLTAGE
(DSC receive)
1 • Receiving MAIN Connect a digital multi-
meter or oscilloscope to
the check point "CP1".
1.3–2.3 V MAIN Verify
REFERENCE
FREQUENCY
1 • Channel : CH16 (156.800 MHz)
• Output power : Low
• Connect a power meter to the ant-
enna connector.
• Transmitting
Rear
Panel
Loosely couple a fre-
quency counter to the
antenna connector.
156.800 MHz
±500 Hz
MAIN C12
#
2EFERENCEFREQUENCYADJUSTMENT
#0
,OCKVOLTAGEVERIFY
REGULARRECEIVE
#0
,OCKVOLTAGEVERIFY
TRANSMIT$3#RECEIVE
5-2 FREQUENCY ADJUSTMENT
• ADJUST AND MEASURE POINTS LOCATION (MAIN UNIT)