Icom IC-F50 Service Manual Addendum

5-2 SOFTWARE ADJUSTMENTS (TRANSMITTING)
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
5 - 4
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT LOCATION
PLL LOCK
VOLTAGE
[LV (RX LVA)]
[LV (TX LVA)]
1 • Operating CH : CH1
• Receiving
Soft
ware
Check the “RX LV” item on the
CS-F50 ADJ’s screen.
3.5 V
2 • Operating CH : CH1
• Transmitting
Check the “TX LV” item on the
CS-F50 ADJ’s screen.
3.5 V
3 • Operating CH : CH10
• Receiving
Soft
ware
Check the “RX LV” item on the
CS-F50 ADJ’s screen.
0.9–1.5 V
(Verify)
4 • Operating CH : CH10
• Transmitting
Check the “TX LV” item on the
CS-F50 ADJ’s screen.
0.9–1.5 V
(Verify)
REFERENCE
FREQUENCY
[REF]
1 • Operating CH : CH1
• Connect an RF power meter or 50 Ω
dummy load to the antenna connector.
• Transmitting
op
panel
Loosely couple a frequency
c o u n t e r t o t h e a n t e n n a
connector.
174.0000 MHz
±300 Hz
OUTPUT
POWER
[Power (Hi)]
1 • Operating CH : CH2
• Transmitting
Top
panel
Connect an RF power meter to
the antenna connector.
5.0 W
1.0 W [EUR-88]
[Power (L2)] 2 • Operating CH : CH3
• Transmitting
2.0 W
1.0 W [EUR-88]
[Power (L1)] 3 • Operating CH : CH1
• Transmitting
1.0 W
FM
DEVIATION
[MOD N]
(Narrow)
1 • Operating CH : CH4
• Set the FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
• Connect the audio generator to the multi
connector through the JIG cable (*OPC-966)
and set as:
: 1.0 kHz/150 mVrms
• Transmitting
Top
panel
Connect an FM d eviation
meter to the antenna connector
through the attenuator.
±2.05 to ±2.15 kHz
[MOD Ratio]
(Middle; [IC-F51] only)
2 • Operating CH : CH5
• Transmitting
±3.15 to ±3.25 kHz
[MOD Ratio]
(Wide)
3 • Operating CH : CH6
• Transmitting
±4.05 to ±4.15 kHz
MODULATION
BALANCE
[BAL N]
(Narrow)
1 • Operating CH : CH1
• No audio applied to the multi connector.
• Set an FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
• IF bandwidth : Narrow
• Transmitting
Connect an FM deviation meter
with an oscilloscope to the
antenna connector through an
attenuator.
[BAL Ratio]
(Middle; [IC-F51] only)
2 • Operating CH : CH7
• Transmitting
[BAL Ratio]
(Wide)
3 • Operating CH : CH8
• Transmitting
CTCSS/DTCS
DEVIATION
[CTCS/DTCS]
• Operating CH : CH9
• No audio applied to the multi connector.
• Transmitting
Top
panel
Connect an FM d eviation
meter to the antenna connector
through the attenuator.
±0.66 to ±0.70 kHz
Set to square wave
form

Icom IC-F50 Specifications

General

Brand	Icom
Model	IC-F50
Category	Transceiver
Language	English