Icom IC-9100 Service Manual page 41

• TRANSMIT ADJUSTMENTS (VHF band) (continued)
ADJUSTMENT ITEM
TX POWER 20 • Display: "POWER 1.2G"
(1.2 GHz BAND)
21 • Display: "TX Total Gain 1.2G"
ALC METER 22 • Display: "ALC VHF"
DRIVE GAIN 23 • Display: "DRIVE VHF"
SWR METER 24 • Display: "SWR VHF-1"
25 • Display: "SWR VHF-2"
Automatically returns to the transmit adjustment menu.
• THE LOCATION OF CHECK POINT ON THE MAIN UNIT
TRANSCEIVER'S
CONDITION
• Receiving
• Transmitting
• Transmitting
• Transmitting
• Transmitting
• Transmitting
OPERATION
• Push [F-5]. (Automatically starts
to transmit.)
1) Connect a spectrum analyzer to
the pin 2 of J6002, and then set
it as;
Center : 10.95 MHz
Span : 100 kHz
RBW : 3 kHz
VBW : 100 Hz
2) Set the AG and millivoltmeter
as;
Frequency : 1.5 kHz
Level : 1 mV
• Set the AG as;
Frequency : 1.5 kHz
Level : 10 mV
• Connect a 25 Ω dummy load to
[144MHz ANT].
"1R2TIF" line
J6002
7
J6002
J1002
TO UX-9100 J3
8
4 - 15
MEASURE ADJUST
POINT POINT
"FORV" [MAIN DIAL]
on the Push [F-5].
display.
Pin 2 of [MAIN DIAL] –32.0 dBm
J6002
(MAIN Push [F-5].
UNIT)
– – Push [F-5].
(A beep sounds,
and then another
beeps sound
3 sec. later)
– – Push [F-5].
– – Push [F-5].
– – Push [F-5].
VALUE
2.600 V
(±0.1 dB)