Справочник Пользователя для ICOM IC F121S

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LV
PLL lock voltage 
check point
C133
PLL lock voltage 
adjustment for TX
C134
PLL lock voltage 
adjustment for RX
DC power supply 
13.2 V / 15 A
5 - 4
5-2 PLL ADJUSTMENT
PLL LOCK
VOLTAGE
1
2
3
4
• Operating freq. : 174.000 MHz
• Receiving
• Output power
: Low1
• Transmitting
• Operating freq. : 136.000 MHz
• Receiving
• Output power
: Low1
• Transmitting
MAIN Connect a digital multi-
meter or an oscillo-
scope to the check
point, “LV”.
3.5 V
3.5 V
0.9–1.5 V
1.0–1.6 V
MAIN
C134
C133
Verify
ADJUSTMENT
ADJUSTMENT CONDITIONS
UNIT
LOCATION
VALUE
UNIT
ADJUST
MEASUREMENT
ADJUSTMENT