Icom IC-F21 Pll Adjustment, Top View, Adjustment Conditions, Measurement, Value, Unit, Location

5-2 PLL ADJUSTMENT

ADJUSTMENT		ADJUSTMENT CONDITIONS		MEASUREMENT		VALUE	ADJUSTMENT
			UNIT		LOCATION		UNIT	ADJUST
PLL LOCK	1	• Operating frequency:	MAIN		Connect a digital multi	1.3 V	MAIN	C54
VOLTAGE		440.000 MHz			meter to check point
		• Receiving			LV.
	2	• Transmitting				1.3 V		C68
	3	• Operating frequency:				2.8–4.3 V		Verify
		470.000 MHz
		• Receiving
	4	• Transmitting				2.8–4.3 V

RF power meter

C54

PLL lock voltage adjustment (RX)

C68

PLL lock voltage adjustment (TX)

LV

PLL lock voltage check point

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