Icom IC-Q7A Service Manual page 16

5-4 TRANSMITTER ADJUSTMENT
The following adjustment must be performed on the normal mode.
ADJUSTMENT
FM
DEVIATION
(VHF)
ADJUSTMENT CONDITION
* Displayed frequency :
145.000 MHz [EUR], [TWN]
146.000 MHz
[ITA], [SEA], [USA], [USA-1]
* Connect the audio generator to
the [SP/MIC] connector and set
as: 50 mV/1.0 kHz.
* Set the FM deviation meter as :
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (Р-Р)/2
* Transmitting
* Displayed frequency :
435.000 MHz
[EUR], [TWN], [ITA], [SEA]
445.000 MHz [USA], [USA-1]
* Transmitting
TONE CALL
DEVIATION
(VHF)
(EUR, ITA
only)
* Displayed frequency :
145.000 MHz [EUR]
146.000 MHz [ITA]
* Apply no audio signal to the
[SP/MIC] connector.
* Set an FM deviation meter as :
HPF : OFF
LPF : 3 kHz
De-emphasis : OFF
Detector : (Р-Р)/2
* Transmitting
* Displayed frequency :
435.000 MHz [EUR], [ITA]
¢ Transimitting
* Displayed frequency :
145.000MHz [EUR], [TWN]
146.000 MHz
[ITA], [SEA], [USA], [USA-1]
* Apply no audio signal to the
[SP/MIC] connector.
* Set an FM deviation meter as :
HPF : OFF
LPF :3 kHz
De-emphasis : OFF
Detector : (Р-Р)/2
e CTCSS tone : 88.5 Hz
* TONE : ON
* Push [CALL] key while transmit-
ting
* Displayed frequency :
435.000 MHz
[EUR], [TWN], [ITA], [SEA]
445.000 MHz [USA], [USA-1]
* Transmitting
MEASUREMENT
LOCATION
Connect an FM
deviation meter to
the antenna con-
nector through an
attenuator.
ADJUSTMENT
POINT
R214
Connect an FM
deviation meter to
the antenna con-
nector though an
attenuator.
Connect an LM | 0.5 kHz-1.0 kHz
deviation meter to
the antenna con-
nector through an
attenuator.
R212
[DIAL]