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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
0.91.5 V
1.01.6 V
MAIN C134
C133
Verify
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT ADJUST
MEASUREMENT ADJUSTMENT