Icom IC-F14 Service Manual page 17

5-3 SOFTWARE ADJUSTMENTS (TRANSMITTING)
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
PLL LOCK 1 • Operating CH
VOLTAGE • Receiving
[LV (RX LVA)]
2 • Operating CH
[LV (TX LVA)]
• Connect an RF power meter or 50 Ω
dummy load to the antenna connector.
• Transmitting
3 • Operating CH
• Receiving
4 • Operating CH
• Transmitting
REFERENCE 1 • Operating CH
FREQUENCY • Transmitting
[REF]
OUTPUT 1 • Operating CH
POWER • Transmitting
[Power (Hi)]
[Power (L2)] 2 • Operating CH
• Transmitting
[Power (L1)] 3
• Operating CH
• Transmitting
• Operating CH
FM 1
• Set the deviation meter as:
DEVIATION
[MOD N]
HPF
(Narrow)
LPF
De-emphasis : OFF
Detector
• Connect the audio generator the [MIC]
connector and set as
• Transmitting
• Operating CH
[MOD Ratio] 2
• Transmitting
(Middle; EUR only)
[MOD Ratio] 3 • Operating CH
(Wide)
• Transmitting
MODULATION 1
• Operating CH
BALANCE
• No audio applied to the [MIC] input.
[BAL N]
• Set the deviation meter as:
(Narrow)
HPF
LPF
De-emphasis : OFF
Detector
• Transmitting
• Operating CH
[BAL Ratio] 2
• Transmitting
(Middle; EUR only)
[BAL Ratio] 3 • Operating CH
(Wide)
• Transmitting
• Operating CH
CTCSS/DTCS 1
DEVIATION
• No audio applied to the [MIC] input.
[CTCS/DTCS]
• Transmitting
*For F14S/F15S adjustment.
ADJUSTMENT CONDITION
: CH3 (*CH1)
: CH3 (*CH1)
: CH9 (*CH2)
: CH9 (*CH2)
: CH3 (*CH1)
: CH1 (*CH1)
: CH2 (*CH2)
: CH3 (*CH3)
: CH6 (*CH1)
: OFF
: 20 kHz
: (P_P)/2
: 1.0 kHz
: CH7 (*CH2)
: CH7 (*CH2)
: CH4 (*CH1)
: OFF
: 20 kHz
: (P_P)/2
: CH5 (*CH2)
: CH5 (*CH2)
: CH8 (*CH1)
MEASUREMENT
UNIT LOCATION
PC Check the "LV" item on the
screen CS-F14 ADJ's screen.
MAIN Connect the digital multimeter to
the "LV" line.
Top Loosely couple the frequency
panel c o u n t e r t o t h e a n t e n n a
connector.
Top Connect the RF power meter to
panel the antenna connector.
Top Connect the FM deviation
panel meter to the antenna connector
through the attenuator.
Top Connect the FM deviation meter
panel with the oscilloscope to the
antenna connector through an
attenuator.
Connect the FM deviation
Top
meter to the antenna connector
panel
through the attenuator.
5 - 5
VALUE
3.5 V
3.5 V
0.9–1.5 V
(Verify)
0.9–1.5 V
(Verify)
174.0000 MHz
5.0 W
2.0 W
1.0 W
±2.10 kHz
±3.20 kHz
±4.10 kHz
Set to square wave
form
±0.68 kHz