Transmitter Adjustment - Icom IC-F1010 Service Manual

TRANSM ITTER ADJUSTM ENT
ADJUSTMENT
ADJUSTMENTCONDINONS
MEASUREMENT
METHOD
AB'I'STIIETT
YALUE METHOD
OUTPUT
POWER
I
. Operating frequency:
155.000 MHz (low-band type)
174.OOO
MHz (high-band type)
r Enter lnitialSet Mode No. 6
Refer td p. 5- t for details.
Connect the RF
power meter to the
antenna connector.
hi g h
Rotate volume control
while pushing [Ps].
Low Power
tL2l
Rotate volume control
while pushing [Pz].
Low Power
(L 1)
Rotate volume control
while pushing [Pr].
NOTE: When the RF output power cannot be set with this
procedure, cloning may be necessary to cancel the output
power setting.
FM
DEVIATION
1
r Operating frequency:
136.000 MHz (low-band Vpe)
146.000 MHz (high-band type)
r Enter lnitialSet Mode No. +
Refer to p. 5 - 1 for details.
. Apply an AF signalto the [MlC] iack:
1 kHz 135 mV (lC-F1010)
t kHz 150 mV (lC-F1020)
r Connect the FM deviation meter to
the antenna connector and set as:
H PF : OF F L PF : 2 0 KH z
De-emphasis: OFF
Detector :(P-P)12
Connect the FM
deviation meter to
the antenna con-
nector through the
attenuator.
+ 4.2kHz
(rc-F1010
wide-type)
+ 2 .1 kHz
(tc-F1010 l
narrow-type)
+ 4.1 kH z
(rc-F1020
wide-type)
Rotate volume control
while pushing [Ps].
DTCS TONE
WAVE FORM
AND
DEVIATION
I
r Operating frequency:
136.000 MHz (low-band type)
146.000 NHz (high-band type)
r Enter lnitial Set Mode No. +
Referto p.5- 1 fordetails.
r No signal applied to the [MlCliack.
r DTCS code
:007
Connect the oscil-
loscope to the FM
deviation meter.
Maximum wave
form
Rotate volume control
while pushing [Pz].
2
Set to flat wave
Rotate volume control
while pushing [Pr].
3
Connect the FM
deviation meter to
the antenna con-
necter through the
attenuator.
+0.5 kHz
(wide-type)
t 0.3 kHz
(nanow-type)
Rotate volume control
while pushing [Pz].
CTCSS TONE
DEVIATION
1
o Operating frequency:
136.000 MHz (low-band Vpe)
146.000 NHz (high-band type)
o Enter lnitial Set Mode No. 4
Refer to p. 5 - I for details.
r No signal applied to the [MlC]iack.
r CTCSS tone frequency: 88.5 Hz
Connect the FM
deviation meter to
the antenna con-
nector through the
attnuator.
+0.5 kHz
(wide-type)
+ 0.3 kHz
(narrow-type)
Rotate volume control
while pushing [Pz].
5 -5