Pll Adjustment - Icom IC-F610 Service Manual

5-2 PLL ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITION
PLL LOCK 1 • Operating CH
VOLTAGE • Receiving
2 • Transmitting
3 • Operating CH
• Receiving
4 • Transmitting
C134
PLL lock voltage
adjustment for TX
UNIT
: CH1 MAIN C o n n e c t a d i g i t a l
: CH7
5 - 6
MEASUREMENT
LOCATION
multimeter or an oscil-
loscope to the check
point, "LV".
3.0–4.4 V [L]
3.3–4.5 V [M]
3.3–4.5 V [H]
DC power supply
13.6 (13.2) V / 20 A
ADJUSTMENT
VALUE
UNIT ADJUST
1.0 V MAIN C133
1.1 V C134
Verify
LV
PLL lock voltage
check point
C133
PLL lock voltage
adjustment for RX