Motorola MSF 5000 Instruction Manual page 173

MSF
5000
Instruction Manual
Chapter
4
Alignment
Alignment Procedures
RX
METERING
JACK TX
METERING
JACK
Px
CAUTION
TO CABINI
FOR
STATIC DISCHARGE
MAY CAUSE
STATION
Frog Adj
MOTOROLA
To RESET
TO DEFAULT GONDITION.
MSF
5000
u
Le
OPEN
OPEN
©
Fo
CONTROL SWITCHES
RF TRAY FRONT PANEL
NOTE:
L1
-
L6,
J1
-
J6
and Fo Freq Adj are not found on
VHF
models.
Access requires the removal of the front panel.
MSFi013
021894JNM
Figure 4-3
Metering
Jacks
4.
On
the
metering panel,
set the
Meter switch
to
5
and set the
reversing switch
(+)
to +
(positive).
Meter
5
should read
38 +2
vA.
If the meter indicates this value, proceed to
the
Receive
VCO
Adjustment.
5. Adjust
the
TX VCO
tuning screw until
the
Tx Lock
indicator on
the control
tray illuminates.
Access
the
TX VCO
tuning screw from the upper hole on the
right-hand
side
of
the
RF
Tray.
Turning
the
TX VCO
clockwise
(CW)
increases the
level;
turning it counter-clockwise
(CCW)
decreases the level. Refer to
Figure
4-4
for the location and rotation of the
VCOs.
6.
Adjust
the
TX VCO
tuning screw until Meter
5
on the metering panel
indicates 38
+
2 WA.
Receive VCO Adjustment
7.
Connect
a
metering panel
to the
Rx
metering jack on the front left-hand side
of
the
RF
Tray using
the
metering
cable.
Refer
to
Figure
4-3
for the location of
the
RF
Tray metering jacks.
8.
On
the
metering panel,
verify
Meter
5
is selected and the reversing switch
(+) is
set to
+ (positive).
Meter
5
should read
38
+
2
pA. If the meter indicates this value, proceed to
step
11.
9.
Adjust
the
RX VCO
tuning screw until
the
Rx Lock
indicator on
the
control
tray illuminates.
Access
the
RX VCO
tuning screw from
the
upper hole on the left-hand side
of
the
RF
Tray.
Turning
the
RX VCO
clockwise
(CW)
increases the level;
turning it counter-clockwise
(CCW)
decreases the level. Refer to
Figure
4-5.
68P81092E04
3/19/94
4-7
MSF
5000
Instruction Manual
Chapter
4
Alignment
Alignment Procedures
RX
METERING
JACK TX
METERING
JACK
Px
CAUTION
TO CABINI
FOR
STATIC DISCHARGE
MAY CAUSE
STATION
Frog Adj
MOTOROLA
To RESET
TO DEFAULT GONDITION.
MSF
5000
u
Le
OPEN
OPEN
©
Fo
CONTROL SWITCHES
RF TRAY FRONT PANEL
NOTE:
L1
-
L6,
J1
-
J6
and Fo Freq Adj are not found on
VHF
models.
Access requires the removal of the front panel.
MSFi013
021894JNM
Figure 4-3
Metering
Jacks
4.
On
the
metering panel,
set the
Meter switch
to
5
and set the
reversing switch
(+)
to +
(positive).
Meter
5
should read
38 +2
vA.
If the meter indicates this value, proceed to
the
Receive
VCO
Adjustment.
5. Adjust
the
TX VCO
tuning screw until
the
Tx Lock
indicator on
the control
tray illuminates.
Access
the
TX VCO
tuning screw from the upper hole on the
right-hand
side
of
the
RF
Tray.
Turning
the
TX VCO
clockwise
(CW)
increases the
level;
turning it counter-clockwise
(CCW)
decreases the level. Refer to
Figure
4-4
for the location and rotation of the
VCOs.
6.
Adjust
the
TX VCO
tuning screw until Meter
5
on the metering panel
indicates 38
+
2 WA.
Receive VCO Adjustment
7.
Connect
a
metering panel
to the
Rx
metering jack on the front left-hand side
of
the
RF
Tray using
the
metering
cable.
Refer
to
Figure
4-3
for the location of
the
RF
Tray metering jacks.
8.
On
the
metering panel,
verify
Meter
5
is selected and the reversing switch
(+) is
set to
+ (positive).
Meter
5
should read
38
+
2
pA. If the meter indicates this value, proceed to
step
11.
9.
Adjust
the
RX VCO
tuning screw until
the
Rx Lock
indicator on
the
control
tray illuminates.
Access
the
RX VCO
tuning screw from
the
upper hole on the left-hand side
of
the
RF
Tray.
Turning
the
RX VCO
clockwise
(CW)
increases the level;
turning it counter-clockwise
(CCW)
decreases the level. Refer to
Figure
4-5.
68P81092E04
3/19/94
4-7