Icom IC-F50 Service Manual page 55

5-2 SOFTWARE ADJUSTMENT (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)]
• Transmitting
3 • Operating CH
• Receiving
4 • Operating CH
• Transmitting
REFERENCE 1 • Operating CH
FREQUENCY • Output power
• Connect an RF power meter or 50 Ω
[REF]
dummy load to the antenna connector.
• Transmitting
OUTPUT 1 • Operating CH
POWER • Transmitting
[Power (Hi)]
[Power (L2)] 2 • Operating CH
• Transmitting
[Power (L1)] 3 • Operating CH
• Transmitting
FM 1 • Operating CH
DEVIATION • Set the FM deviation meter as:
[MOD N] HPF
(Narrow) LPF
De-emphasis : OFF
Detector
• Connect the audio generator to the multi
connector through the JIG cable (*OPC-
966) and set as : 1.0 kHz/150 mVrms
• Transmitting
[MOD Ratio] 2 • Operating CH
(Middle) • Transmitting
[MOD Ratio] 3 • Operating CH
(Wide) • Transmitting
ADJUSTMENT CONDITION
: CH3
: CH3
: CH11
: CH11
: CH11
: Low1
: CH1
: CH2
: CH3
: CH4
: OFF
: 20 kHz
: (P–P)/2
: CH5
: CH6
MEASUREMENT
UNIT LOCATION
MAIN Check the "LV" item on the
CS-F50 ADJ's display.
MAIN Check the "LV" item on the
CS-F50 ADJ's display.
Top Loosely couple a frequency
panel counter to the antenna con-
nector.
Top Connect an RF power meter
panel to the antenna connector.
Top Connect an FM deviation
panel meter to the antenna connec-
tor through the attenuator.
5 - 4
VALUE
1.0 V
1.0 V
3.3–4.5 V
(Verify)
3.3–4.5 V
(Verify)
470.0000 MHz [L]
520.0000 MHz [H]
4.0 W
2.0 W
1.0 W
±2.10 kHz
±3.20 kHz
±4.10 kHz