Icom IC-7000 Service Manual page 20

4-4 TRANSMITTER ADJUSTMENT (continue)
ADJUSTMENT ADJUSTMENT CONDITION
SWR 1 • Operating freq : 10.10000 MHz
DETECTOR • MODE
• RF Power
• MIC Gain
2
• Connect an audio generator to
[MIC] connector and set as;
Frequency
• Connect a wire between CP1601
(MAIN unit) and ground.
• Transmitting
After adjustment, disconnect the wire between CP1601 (MAIN unit) and ground.
TX PEAK 1 • Operating freq. : 10.10000 MHz
• MODE
• RF Power
• MIC Gain
• Preset R1618 (MAIN
unit) as the illustration at
right.
• Preset L604, L612
a n d L 9 0 4 ( M A I N
unit) as the illustra-
tion at right.
• Connect an audio generator to
[MIC] connector and set as ;
Level
( Adjust the audio generator
output level to keep less than
50 W output power.)
• Transmitting
ADJUSTMENT ADJUSTMENT CONDITION
TX TOTAL 1 • Enter the adjustment mode.
GAIN • Push [F-2 (TX)].
2 • Connect an RF power meter to
[ANT1] connector.
• Connect an audio generator to
3
[MIC] connector and set as;
Level
4
• Transmitting
5
6 • Connect an RF power to [ANT2]
connector.
• Transmitting
7
UNIT
REAR
: USB panel
: 100%
: 50%
PA
: 1.5 kHz
REAR
: USB
panel
: 100%
: 50%
Core's
top
: 1.5 kHz/3 mV
TX Total Gain(HF1)
TX Total Gain(HF2)
: 1.5 kHz/3 mV
TX Total Gain(HF3)
TX Total Gain(50M)
TX Total Gain(144M)
TX Total Gain(430M)
4 - 5
MEASUREMENT
LOCATION
Connect an RF power
meter to [ANT1] connec-
tor.
Connect a DC voltmeter
to CP961.
Connect an RF power
meter to [ANT1] connec-
tor.
DISPLAY
Set the output power to 50 W using
[DIAL]. Then push [F-4 (SET)].
Set the output power to 50 W using
[DIAL]. Then push [F-4 (SET)].
Set the output power to 50 W using
[DIAL]. Then push [F-4 (SET)].
Set the output power to 50 W using
[DIAL]. Then push [F-4 (SET)].
Set the output power to 25 W using
[DIAL]. Then push [F-4 (SET)].
Set the output power to 17.5 W using
[DIAL]. Then push [F-4 (SET)].
ADJUSTMENT
VALUE
UNIT ADJUST
80 W Audio
genera-
tor
Minimum volt- PA
age
Maximum out- MAIN
put power
OPERATION
Output
level
C964
L701