Icom IC-F1610 Service Manual

5 - 3
5-3 PLL ADJUSTMENT
PLL LOCK
VOLTAGE
PLL
REFERENCE
FREQUENCY
1
2
3
4
1
• Operating frequency : 136.000 MHz
• Receiving
• Operating frequency : 174.000 MHz
• Receiving
• Operating frequency : 136.000 MHz
• Transmitting
• Operating frequency : 174.000 MHz
• Transmitting
• Operating frequency : 174.000 MHz
• Transmitting
MAIN
Rear
panel
Connect a digital multi-
meter or an oscillo-
scope to the check
point, “LV”.
Loosely couple a fre-
quency counter to the
antenna connector.
3.0 V
10.0–14.0 V
3.0 V
10.5–15.5 V
174.00000 MHz
MAIN
MAIN
L38
Verify
L43
Verify
R376
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT ADJUST
MEASUREMENT ADJUSTMENT
L.V.
PLL lock voltage
check point
L38
Rx PLL lock voltage
adjustment
L43
Tx PLL lock voltage
adjustment
R376
Reference frequency
adjustment
• MAIN UNIT

Icom IC-F1610 Specifications

General

Brand	Icom
Model	IC-F1610
Category	Transceiver
Language	English