Transmit Adjustment - Icom IC-F14 Service Manual Addendum

5-3 TRANSMIT ADJUSTMENT

1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC's keyboard, then push the [ENTER] key.
ADJUSTMENT ADJUSTMENT CONDITION
TRANSMIT 1
<For IC-F14S/F15S/F16S only>
OUTPUT
Clone the "ADJ CH TXPWR.icf" into the transceiver.
POWER
-Preparation-
-Adjustment- 2 • CH. (16CH/2CH) : CH.3/CH.1
Hi • Transmitting
L2 3 • CH. (16CH/2CH) : CH.4/CH.2
• Transmitting
L1 4 • CH. (16CH/2CH) : CH.5/CH.3
• Transmitting
DEVIATION 1 <For IC-F14S/F15S/F16S only>
-Preparation-
Clone the "ADJ CH AudioMOD.icf" into the transceiver.
• Connect a Modulation Analyzer
t o t h e a n t e n n a c o n n e c t o r
through an Attenuator.
2 • Connect an Audio Generator
to the MIC line through the JIG
cable.
-Adjustment- 3 • CH. (16CH/2CH) : CH.5/CH.2
WIDE • Transmitting
MIDDLE* 4 • CH. (16CH/2CH) : CH.6/CH.1
• Transmitting
NARROW 5 • CH. (16CH/2CH) : CH.7
• Transmitting
MODULATION 1 <For IC-F14S/F15S/F16S only>
BALANCE
Clone the "ADJ CH ToneMOD.icf" into the transceiver.
-Preparation-
• Connect a Modulation Analyzer
t o t h e a n t e n n a c o n n e c t o r
through an attenuator.
• Connect an Oscilloscope to
the Detect ter minal of the
Modulation Analyzer.
-Adjustment- 2 • CH. (16CH/2CH) : CH.8/CH.1
NARROW • Transmitting
MIDDLE* 3 • CH. (16CH/2CH) : CH.8/CH.1
• Transmitting
WIDE 4 • CH. (16CH/2CH) : CH.9/CH.2
• Transmitting
CTCSS/DTCS 1 <For IC-F14S/F15S/F16S only>
DEVIATION
Clone the "ADJ CH ToneMOD.icf" into the transceiver.
-Preparation-
• Connect a Modulation Analyzer
t o t h e a n t e n n a c o n n e c t o r
through an attenuator.
-Adjustment- 2 • CH. (16CH/2CH) : CH.10/CH.3
• Transmitting
*: F15/S only
• Connect an RF Power Meter to the
– antenna connector.
1) Adjust the transmit output power
using [←] / [→] keys on the PC's
keyboard.
2) Push the [ENTER] key to store the
adjust value.
• Set the Modulation Analyzer as;
HPF
LPF
De-emphasis : OFF
Detector
• Set the Audio Generator as;
Modulation
Level
Wave form
1) Adjust the deviation using [←] / [→]
keys on the PC's keyboard.
2) Push the [ENTER] key to store the
adjust value.
• Set the Modulation Analyzer as;
HPF
LPF
De-emphasis : OFF
Detector
1) Adjust the waveform using [←] / [→]
keys on the PC's keyboard.
2) Push the [ENTER] key to store the
adjust value.
• Set the Modulation Analyzer as;
HPF
LPF
De-emphasis : OFF
Detector
1) Adjust the deviation using [←] / [→]
keys on the PC's keyboard.
2) Push the [ENTER] key to store the
adjust value.
5 - 6
OPERATION
: OFF
: 20 kHz
: (P-P)/2
: 1 kHz
: 40 mV rms
: Sine wave
: OFF
: 20 kHz
: (P-P)/2
–
: OFF
: 20 kHz
: (P-P)/2
ADJUSTMENT
VALUE
ITEM
– –
[Power (Hi)] 5.0 W
[Power (L2)] 2.0 W
[Power (L1)] 1.0 W
– –
– –
±4.05–4.15
[MOD Ratio]
kHz
±3.15–3.25
[MOD Ratio]
kHz
±2.05–2.15
[MOD N]
kHz
– –
– –
Square
[BAL N]
waveform
Flat
[BAL Ratio]
[BAL Ratio]
– –
±0.66–0.70
[CTCSS/DTCS]
kHz