Icom IC-F33GT Service Manual page 17

6-2 SOFTWARE ADJUSTMENT (TRANSMITTING)
Select an operation using [↑] / [↓]keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard
ADJUSTMENT
PLL LOCK 1 • Operating Channel : CH7
VOLTAGE • Receiving
[LV (RX LVA)]
2 • Operating Channel : CH7
[LV (TX LVA)]
• Transmitting
CONVENIENT:
The PLL lock voltage can be adjustment automatically.
Set the cursor to "RX LVA"/"TX LVA" and then push [ENTER] key.
3 • Operating Channel : CH5
• Receiving
4 • Operating Channel : CH5
• Transmitting
REFERENCE 1 • Operating Channel : CH7
• Connect the RF power meter or 50 Ω dummy
FREQUENCY
[REF] load to the antenna connector.
• Transmitting
OUTPUT 1 • Operating Channel : CH1
POWER • Transmitting
[Power (Hi)]
[Power (L2)] 2 • Operating Channel : CH2
• Transmitting
[Power (L1)] 3 • Operating Channel : CH3
• Transmitting
MODULATION 1 • Operating Channel : CH4
BALANCE • No audio applied to the [MIC] connector.
[BAL] • Set the FM deviation meter as:
HPF
LPF
De- emphasis
Detector
• Push [P0] while transmitting
1 • Operating Channel : CH4
FM
• Set the FM deviation meter as:
DEVIATION
HPF
[MOD N]
LPF
(Narrow)
De- emphasis
Detector
• Connect the audio generator to the [MIC]
connector and set as
• Transmitting
2 • Operating Channel : CH1
[MOD Ratio]
• Transmitting
(Wide)
3 • Operating Channel : CH8
[MOD Ratio]
• Transmitting
(Middle)
(F34G only)
1 • Operating Channel : CH6
CTCSS/DTCS
• No audio applied to the [MIC] connector.
DEVIATION
• Transmitting
[CTCSS/DTCS]
FREQUENCY 1 -Operating Channel : CH16 (156.800MHz)
DEVIATION
-Output power
-Connect an audio generator to the microphone
connector and set as ;
Frequency
Level
-Set the FM deviation meter as ;
HPF
LPF
De-emphasis
Detector
-Transmitting
ADJUSTMENT CONDITION
: OFF
: 20 kHz
: OFF
: (P–P)/2
: OFF
: 20 kHz
: OFF
: (P–P)/2
: 1.0 kHz/150 mVrms
: Low
: 1kHz
: 30mV
: OFF
: 20kHz
: OFF
: (P-P)/2
MEASUREMENT
UNIT LOCATION
PC Check the "LVIN" item on the
screen CS-F33G ADJ's screen.
PC Check the "LVIN" item on the
screen CS-F33G ADJ's screen.
Top Loosely couple the frequency
panel counter to the antenna con-
nector.
Top Connect the RF power meter
panel to the antenna connector.
Top Connect the FM deviation
panel meter with the oscilloscope
to the antenna connector
through the attenuator.
Top Connect the FM deviation
panel meter to the antenna connec-
tor through the attenuator.
Top Connect the FM deviation
panel meter to the antenna connec-
tor through the attenuator.
Rear Connect an FM deviation meter to
the antenna connector through an
Panel
attenuator.
6 - 4
VALUE
3.5 V
3.5 V
1.0–1.6 V
(Verify)
1.0–1.6 V
(Verify)
174.0000 MHz
5.0 W
2.0 W
1.0 W
Set to square wave
form
±2.10 kHz
±4.10 kHz
±3.20 kHz
±0.70 kHz
± 4.25-4.35kHz