Icom M700PROE Servise Manual

4 - 4
4-3 TRANSMITTER ADJUSTMENTS
IDLING
CURRENT
(For drive
transistors)
(For final
transistors)
IC APC
SWR
DETECTOR
TRANSMIT
PEAK
ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT LOCATION UNIT ADJUST
1
2
1
1
2
1
• Display frequency : 12.2300 MHz
• mode : J3E
• Apply no audio signal to the
[MICROPHONE] connector.
• Transmitting
• Display frequency : 12.2300 MHz
• mode : J3E
• Apply no audio signal to the
[MICROPHONE] connector.
• Transmitting
• Display frequency : 22.0000 MHz
• Mode : J3E
• Preset R4031 on the PA unit to
the maximum counterclockwise
position.
• Connect a dummy load (10 A)
between lead of R4035 (power
line) and EP4009 (power ground)
on the PA unit.
• Connect an audio generator to the
[MICROPHONE] connector and set
as:
Frequency : 1.5 kHz
Level : 100 mV rms
• Connect an RF power meter to the
[ANT] connector.
• Transmitting
• Display frequency : 22.0000 MHz
• Mode : J3E
• Ground the lead of R545 on the
MAIN unit with a wire.
• Connect an audio generator to the
[MICROPHONE] connector and set
as:
Frequency : 1.5 kHz
• Transmitting
• Display frequency : 12.2300 MHz
• Mode : J3E
• Ground the lead of R545 on the
MAIN unit with a wire.
• Connect an audio generator to the
[MICROPHONE] connector and set
as:
Frequency : 1.5 kHz
Level : 3 mV
• Transmitting
PA
PA
Rear
Panel
Rear
Panel
MAIN
Rear
Panel
Cut the lead wire
(W4011) and connect
a DC ammeter (1 A)
to the cut points.
Unsolder R4026
and connect the DC
ammeter (3 A) to the
unsoldered points.
Connect a DC
ammeter (50 A)
between the DC
power supply and
DC power receptacle
(DC input +).
Connect an RF
power meter to the
[ANT] connector.
Connect a DC
voltmeter to R150.
Connect an RF
power meter to the
[ANT] connector.
100 mA
500 mA
30 A
140 W
Minimum level
Maximum output power
PA
PA
PA
Audio
generator
FILTER
MAIN
R4022
R4025
R4031
Output
level
C4392
Adjust in
sequence
L89, L88,
L65, L64,
L59
After adjustment, re-solder the lead wire (W4011).
After adjustment, re-solder R4026.
After adjustment, remove the dummy load.
After adjustment, remove the wire from R545.
After adjustment, remove the wire from R545.

Icom M700PROE Specifications

General

Brand	Icom
Model	M700PROE
Category	Telephone
Language	English