Motorola MSF 5000 Instruction Manual page 178

Chapter
4
Alignment
MSF
5000
Instruction Manual
Alignment Procedures
Set the
signal generator
to
output
a
1
mV
on-channel signal.
6.
On
the
metering panel,
set the
Meter switch
to
2
and
verify
the
reversing
switch
(+) is set to the + (positive).
7.
Verify
a
level between
25
and
35
A
on the
metering panel.
Adjust
the
signal
generator output,
as necessary, to meet the required level.
On
the top of the
RF
Tray, adjust the Image
Filter (L10
and L11)
until Meter
2
indicates
a
maximum level.
8.
Refer
to
Figure
4-8
for the location of the Image
Filter tuning
screws.
OPERATE
TRANSIT TRANSIT
CDB
OPERATE
R409
IMAGE
FILTER
TUNING
SCREWS
Lio
Rasa
un
R1g1
ts
FREQ
ADS
Rss
Fo
RF TRAY COVER
MSFI019
021894JNM
Figure 4-8
Image
Filter Tuning Screws (top View of
RF
Tray)
11.
12.
13.
4-12
On
the front of
the
RF
Tray, adjust L1 on the Preselector until Meter
2
indicates
a
maximum level.
9.
10.
Adjust L2
on the Preselector
until Meter
2
indicates
caa
minimum level.
Move
the probe to J2 and adjust L3 on the Preselector
until Meter
2
indicates
a
minimum level.
Move
the probe to
J3
and adjust
L4
on the Preselector
until Meter
2
indicates
a
minimum level.
Move
the probe to
J4
and adjust
L5
on the Preselector
until Meter
2
indicates
a
minimum level.
68P81092E04
3/19/94
Chapter
4
Alignment
MSF
5000
Instruction Manual
Alignment Procedures
Set the
signal generator
to
output
a
1
mV
on-channel signal.
6.
On
the
metering panel,
set the
Meter switch
to
2
and
verify
the
reversing
switch
(+) is set to the + (positive).
7.
Verify
a
level between
25
and
35
A
on the
metering panel.
Adjust
the
signal
generator output,
as necessary, to meet the required level.
On
the top of the
RF
Tray, adjust the Image
Filter (L10
and L11)
until Meter
2
indicates
a
maximum level.
8.
Refer
to
Figure
4-8
for the location of the Image
Filter tuning
screws.
OPERATE
TRANSIT TRANSIT
CDB
OPERATE
R409
IMAGE
FILTER
TUNING
SCREWS
Lio
Rasa
un
R1g1
ts
FREQ
ADS
Rss
Fo
RF TRAY COVER
MSFI019
021894JNM
Figure 4-8
Image
Filter Tuning Screws (top View of
RF
Tray)
11.
12.
13.
4-12
On
the front of
the
RF
Tray, adjust L1 on the Preselector until Meter
2
indicates
a
maximum level.
9.
10.
Adjust L2
on the Preselector
until Meter
2
indicates
caa
minimum level.
Move
the probe to J2 and adjust L3 on the Preselector
until Meter
2
indicates
a
minimum level.
Move
the probe to
J3
and adjust
L4
on the Preselector
until Meter
2
indicates
a
minimum level.
Move
the probe to
J4
and adjust
L5
on the Preselector
until Meter
2
indicates
a
minimum level.
68P81092E04
3/19/94