Yaesu FT-2500M Technical Supplement page 28

v
Alignment
PLL
&
tansmitter Alignment
Points
D
Set
the transceiver to the
174.000
MHz*,
and
adjust
coilL303 on the VCO
Unit for
7.5
V on
the
voltmeter.
*For
transceiaer aersions
without
extended receiae
capability, tune to
146.000
MHz
and
adjust L303
for
1.8
V on
the aoltmeter.
D
Next tune to
146.000
M}{4key
the
transmittet
and adjust L304
for
1.8
V on
the voltmeter.
PLL
Reference
F re
quency
D With the wattmeter, dummy
load and
fre-
quency counter connected to the antenna jack,
and
while tuned
to
146.000
MH4
key
the
transmitter
and
adjust TC1001 on the Main
Unit, if
necessary, so
the counter frequency is
within
100
Hz of
146.000
MHz.
Tiansmitter
Output
D
Preset
trimmer potentiometers
VR2003,
VR2004 and VR2005
fully
clockwise.
O Vfhile tuned to
146.000
MHz,
press
the
LoW
button on the panel
to
select
high, mid-
and
then
low
power while adjusting the
corre-
sponding
trimpot for
the transmitter
Power
output
levels listed in
the table:
Panel Power
Selection
Adjustment Power Output
High
vR2005 50+5W
Mid
vR2003 25+1W
Low
vR2004
5+1W
Transmitter Deaiation
D
\tVhile
tuned
to
146.000
MHz, adjust the AF
generator level for
50
mV output
@
l
kHz to
the
MtC
jack.
O
Key the transmitter and adjust VR2002 on the
CNTL Unit for +
4.5kHz deviation
on the de-
viation meter
(within
100
Hz),
FT-2500M
Technical Supplement
2-7