Frequency Adjustment - Icom IC-F5012 Service Manual

6-2 FREQUENCY ADJUSTMENT

1) Select an adjustment item using cursor or [↑]/[↓] of the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←]/[→] of the PC's keyboard, then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
CONDITION
PLL LOCK 1 • Channel
VOLTAGE • Receiving
(RX)
(TX) 2 • Channel
• Transmitting
(RX) 3 • Channel
• Receiving
(TX) 4 • Channel
• Transmitting
REFERENCE 1 • Channel
FREQUENCY • Transmitting
: 1-1 1) Connect an RF power meter to the an-
tenna connector.
2) Set the adjustment value on the "Adjust
Utility" screen.
: 1-2
: 1-3 • Click [Update (F5)] button, and then check
the "LVIN" item on the "I/O Check screen"
as below.
: 1-3
: 1-4 • Loosely couple a frequency counter to the
antenna connector.
• I/O Check screen
(The values shown in the above screen are example only.
Each transceiver has their own values.)
OPERATION
6 - 4
ADJUSTMENT
VALUE
ITEM
1.1 V
[RX LVA]
1.06 V
[TX LVA]
3.0–4.0 V
[LVIN]
(Verify)
(On the "I/O
2.5–3.5 V
Check screen")
(Verify)
174.000000 MHz
[REF]
Lock voltage