Adjustment Conditions - Icom IC-726 Service Manual

TRANSMITTER ADJUSTMENT
(COMTINUED)
ADJUSTMENT
ADJUSTMENT CONDITIONS
osc
FFIEOUENCV
I
I
FM
DEVIATIOM
CARRIEF
LEVEL
ADJUSTMENT
POINT
UNIT
ADJUST
• Oispliye()
frepucncyi
10000
MHz
•
Mod*
;
FM
•
TransmitUng
AM*FM
Coftn&tt the
Irequency toutiter lo
ine
cathode
oT
Di
,
*
Displayed frequency'
£&.
10000
WHz
*
Mode
1
FM
*
(FF Pwfl]
CQfitrol
:
Center
•Attach
the
audio qenefalor lo
the
[MIC]
cor^rvector ar>d
set as;
Level
;
10
mV
Modulation:
t
kHz
•Set
me
FM
<feviation
meter
as:
Fear
panel
Atiach (he
FM
deviation
meter
to
me
ISO
MHz ANT]
connector
via the
attenuator.
HPF
LPF
De 'emphasis
Detector
'
Trsnsmitlinq
50
Hi
20 kHz
OFF
[P-P)/2
Attach Ihe audio qeneratdf to the
IMilC]
connector and
se(
as:
Level
:
1
mV
Modulation;
1
kHz
I
• DisjUayed tcequency:
29.10000
MHz
I
•
Mode
:
FM
AM*FM
AM
MODULATlOH
Transmitting
'
Displayed irequency:
29.10000
MHz
1
Mode
:
AM
'
Attach the audio generator
to
the
(MIC) connector and
set
as;
Level
:
10
mV
Mddulelion;
1
kHz
Transmil
ting
Cohnect
the
oscilloscope
to the
cathjode
oJ
Dl
.
Oonnect
me
oscitloscope
to
the
cathode
of
Dl
.
Preset
to
max.
CW.
preset
to
max.
GCW
9.01000
MHi
01 03C
frequancyfCarrler-
level/AM modulatlonf
check point