Frequency Adjustment - Icom IC-F6061 Service Manual

6-2 FREQUENCY ADJUSTMENT

Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC's keyboard.
ADJUSTMENT ADJUSTMENT CONDITION
PLL LOCK 1 Set the preset value of [LV (RX1)], [LV RX2] to "204 [4 V]", and [LV TX] to "39 [0.76 V]" on the PC screen.
VOLTAGE
2 • Channel
[RX LVA1]
• Preset
• Receiving
[RX LVA2] 3 • Channel
• Preset
• Receiving
[TX LVA] 4 • Channel
• Preset
• Transmitting
CONVENIENT:
1: Set the Lock voltage preset ([LV RX1], [LV RX2], [LV TX]).
2: Push the [ENTER] key on the connected PC's keyboard.
PLL LOCK 1 • Channel
VOLTAGE • Receiving
(verify)
2 • Channel
• Receiving
3 • Channel
• Transmitting
REFERENCE 1 • Channel
• Connect an RF power meter to the
FREQUENCY
antenna connector.
[REF]
• Transmitting
‡
;(Low)=[USA-01], [EXP-01], [EUR-01] (High)=[USA-02], [EXP-02]
: CH 3
: 204 [4 V] screen
: CH 4
: 204 [4 V]
: CH 1
: 39 [0.76 V]
The " PLL LOCK VOLTAGE" can be adjusted automatically.
: CH 1
screen
: CH 2
: CH 4
: CH 4
NOTE: The above screen is an example only.
Each item's voltage will
6 - 4
UNIT OPERATION
PC Click [Reload (F5)] button, then
check the "LVIN" item on the
CS-F5060 ADJ's screen as below.
PC Click [Reload (F5)] button, then
check the "LVIN" item on the
CS-F5060 ADJ's screen.
Top Loosely couple a frequency
panel counter to the antenna connector.
appear when pushing [Update] button.
VALUE
4 V
4 V
0.76 V
3.4–4.4 V
(Verify)
470.000 MHz
‡
(Low)
520.000 MHz
‡
(High)
PLL LOCK VOLTAGE
will be appeared here