Icom IC-W2A Service Manual page 14

4-4
TRANSMITTER
ADJUSTMENT
(1)
ADJUSTMENT ADJUSTMENT CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT
LOCATION
UNIT
ADJUST
(Note:
When
adjusting the output
power,
adjust according
to
the
power supply requirement
of
13.5
V.)
VHF
OUTPUT
POWER
1
• Displayed frequency
:
145.000
MHz
•[HI/LOW] key
:
HI
•Transmitting
Top
panel
Connect
the
RF
power
meter
to
the
antenna
connector.
5.0
W
VHF
RF
R55
UHF
OUTPUT
POWER
1
• Displayed
frequency: 445.000
MHz
(USA)
:
435.000
MHz
(All
other versions)
•[HI/LOW] key
:
HI
•Transmitting
5.0
W
UHF
RF R42
VHF
DEVIATION
1
• Displayed frequency: 145.000
MHz
•Connect
the
audio generator
to
the
[MICROPHONE]
connector and
set as:
Level
:
160
mV
(USA)
:
80
mV
(All
other versions)
MOD.
:
1.0
kHz
•Set
the
FM
deviation
meter
as:
HPF
:
50
Hz
LPF
:
20
kHz
De-emphasis
:
OFF
DET
:
(P-P)/2
•Transmitting
Top
Panel
Connect
the
FM
deviation
meter
to
the
antenna connector
through
the
attenuator.
4.8
kHz
VHF RP
^
R104
UHF
DEVIATION
1
• Displayed frequency: 445.000
MHz
(USA)
:
435.000
MHz
(All
other versions)
•Connect
the audio generator
to
the
[MICROPHONE]
connector
and
set as:
Level
:
160
mV
(USA)
:
80
mV
(All
Other versions)
MOD.
:
1.0
kHz
•Set
the
FM
deviation
meter
as:
HPF
:
50
Hz
LPF
:
20 kHz
De-emphasis
:
OFF
DET
:
(P-P)/2
•Transmitting
4.8
kHz
UHF RF
R73
4
4