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4 - 4
ADJUSTMENT
TRANSCEIVER’S
CONDITION
OPERATION
ADJUSTMENT
ITEM
VALUE
TX PEAK AND
RESIDUAL AM
1
• Frequency : 1300.000 MHz
(MAIN band)
• Mode
: FM
• Receiving
• S e t t h e t r i m m e r r e g i s t e r s a n d
capacitors to the preset position.
• Disconnect the "1FOR" line from the
pins 1 and 2 of J1, as illustrated below.
R61, R83
(MAIN-B UNIT)
Max. CW
C332, R37
(MAIN-B UNIT)
Center position
2
• Transmitting
1) Connect an RF power meter to
[1200MHz ANT].
2) Disconnect the "1R2TIF" line from
the pins 1 and 2 of J3 (RF-C UNIT).
3) Connect an SSG to the "1R2TIF2" line
as illustrated below, and then set it as;
Frequency : 10.95 MHz
Modulation : 5.0 kHz (FM)
Level
†
: 62 dBµ (–45 dBm)
L451, L452, L503
(RF-C UNIT)
C332
(MAIN-B UNIT)
Maximum
TX output
level.
3
• Transmitting
• Set the SSG as;
Modulation
:
None
Level
†
: 97 dBµ (–10 dBm)
–
More than
13 W
(Verify)
4-3 TRANSMIT ADJUSTMENTS
¤
CONNECTION
• RF-C UNIT
• MAIN-B UNIT
†
; The output level of the standard signal generator (SSG) is indicated as the SSG’s terminated circuit.
J1
J1
To the IC-9100
1FOR
FI451A
FI451B
L451
L452
L503
C123
J3
To the SSG
T
o
the IC-9100
GND
GND
1R2TIF
1R2TIF
GND
MDRIF
R83
TXG
CP401
R37
R61
FORV
ICV
C332
DPWR