Transmit Adjustment - Icom IC-M504 Service Manual

5-3 TRANSMIT ADJUSTMENT

ADJUSTMENT
TRANSMIT 1 • Channel
OUTPUT POWER • Output power
• Transmitting
DEVIATION 1 • Channel
• Output power
• Connect an audio generator to the MIC
line (see the page 5-1) and set as;
• Set the FM deviation meter as ;
• Transmitting
• ADJUST AND MEASURE POINTS LOCATION (MAIN UNIT)
ADJUSTMENT CONDITION
: CH16 (156.800 MHz)
: High
: CH16 (156.800 MHz)
: Low
Frequency : 1 kHz
Level : 30 mV
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
MEASUREMENT
UNIT LOCATION
Rear C o n n e c t a n R F
Panel power meter to the
antenna connector.
Rear C o n n e c t a n F M
Panel d e v i a t i o n m e t e r
t o t h e a n t e n n a
connector through
an attenuator.
5 - 3
ADJUSTMENT
POINT
VALUE
UNIT ADJUST
23–23.5 W MAIN R112
±4.25–4.35 kHz MAIN R327