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MSF
5000
Instruction Manual
Chapter
4
Alignment
Alignment Procedures
RF TRAY COVER
INTERCONNECT BOARD
TUNING
SCREW
RF TRAY
PRESELECTOR
FILTER
MSFI022
022894.INM
Figure 4-5
RX
VCO Tuning
Screw
3.
On
the control tray, set the
Acc Dis/Reset
switch
to
Acc Dis.
4.
Using
the
Select/Set switch,
set the
station
to
tuning
channel.
5.
Using
a
tuning screwdriver, adjust L7 until Meter
3
on the
metering panel
indicates
a
maximum level.
Refer
to
Figure
4-6 for the
location of
the
Injection
Filter tuning
screws.
6.
Using
a
tuning screwdriver, adjust L8 until Meter
3
on the
metering panel
indicates
a
maximum level.
7.
Using
a
tuning screwdriver, adjust L9 until Meter
3
on the metering panel
indicates
a
maximum level.
8.
Repeat
steps
5
through
7
until
a
maximum level
is obtained.
Preselector
/
Image Filter Adjustment
The following procedure aligns
the Preselector and Image
Filters for
the
tuning
channel frequency (channel
0/mode
0).
By adjusting
the Preselector and
Image
Filters
to the
tuning channel,
the station is tuned for
all programmed
frequencies.
68P81092E04
3/19/94
4-9
MSF
5000
Instruction Manual
Chapter
4
Alignment
Alignment Procedures
RF TRAY COVER
INTERCONNECT BOARD
TUNING
SCREW
RF TRAY
PRESELECTOR
FILTER
MSFI022
022894.INM
Figure 4-5
RX
VCO Tuning
Screw
3.
On
the control tray, set the
Acc Dis/Reset
switch
to
Acc Dis.
4.
Using
the
Select/Set switch,
set the
station
to
tuning
channel.
5.
Using
a
tuning screwdriver, adjust L7 until Meter
3
on the
metering panel
indicates
a
maximum level.
Refer
to
Figure
4-6 for the
location of
the
Injection
Filter tuning
screws.
6.
Using
a
tuning screwdriver, adjust L8 until Meter
3
on the
metering panel
indicates
a
maximum level.
7.
Using
a
tuning screwdriver, adjust L9 until Meter
3
on the metering panel
indicates
a
maximum level.
8.
Repeat
steps
5
through
7
until
a
maximum level
is obtained.
Preselector
/
Image Filter Adjustment
The following procedure aligns
the Preselector and Image
Filters for
the
tuning
channel frequency (channel
0/mode
0).
By adjusting
the Preselector and
Image
Filters
to the
tuning channel,
the station is tuned for
all programmed
frequencies.
68P81092E04
3/19/94
4-9
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