Icom IC-F1000D Service Manual page 15

5-2 FREQUENCY ADJUSTMENTS
1) Select an adjustment item using []/[] on the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [Space]/[Back Space] on the PC's keyboard, and then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
PLL LOCK 1
VOLTAGE
-Preparation-
-ADJUSTMENT- 2 • Channel:
(RX Band low) • Receiving
(RX Band high) 3 • Channel:
• Receiving
(TX Band low) 4 • Channel:
• Transmitting
(TX Band high) 5 • Channel:
• Transmitting
PLL LOCK 6 • Channel:
VOLTAGE • Receiving
-Verify-
(RX Band low)
(RX Band high) 7 • Channel:
• Receiving
(TX Band low) 8 • Channel:
• Transmitting
(TX Band high) 9 • Channel:
• Transmitting
REFERENCE 1 • Channel:
FREQUENCY • Transmitting
CONDITION
1) Set the preset values on the adjustment
utility window.
2) Connect an RF power meter to the
antenna connector.
–
1-1 • Select the item [RX LVA Data], and
then push [ENTER].
1-3
1-1 • Select the item [TX LVA Data], and
then push [ENTER].
1-3
1-1 • Click the [Reload (F5)] button to check
on the "I/O Check window" as below.
1-3
1-1
1-3
1-3 • Loosely couple a frequency counter to
the antenna connector.
• I/O Check window
* * *
(The values shown above are only examples.
Each transceiver has own values.)
OPERATION
Lock voltage
5-4
ADJUSTMENT
VALUE
ITEM
[RX LVA Frequency 136.0
(MHz)] [f0]
[RX LVA Frequency 176.0
(MHz)] [f1]
[TX LVA Frequency 136.0
(MHz)] [f0]
[TX LVA Frequency 176.0
(MHz)] [f1]
[RX LVIN Limit (Lo)] 0.88 V
[RX LVIN Limit (Hi)] 0.92 V
[TX LVIN Limit (Lo)] 0.88 V
[TX LVIN Limit (Hi)] 0.92 V
(Automatic
adjustment)
[RX LVA Data]
The value set
in step 2.
(Automatic
adjustment)
[TX LVA Data]
The value set
in step 4.
[LVIN] 0.7–1.1 V
(On the "I/O Check (Verify)
window")
Less than
3.5 V
0.7–1.1 V
(Verify)
Less than
3.5 V
176.000000
[REF] MHz
(±50 Hz)