FAX 5/10/20/30/40KW
October 28, 2013
5
‐
7
888
‐
2720
‐
001
WARNING:
Disconnect
primary
power
prior
to
servicing.
Copyright
©2013,
Harris
Broadcast
Note
‐
Backplane
1
is
at
the
top
(Row
with
IPA)
and
Backplane
4
is
bottom
row.
5.3
Transmitter Cleaning
S1
‐
5
Analog
Bias
Control
2
OFF/User
ON
Enables
the
APC
voltage
to
control
the
IPA;
OFF
disables
APC
voltage
to
IPA
(Exciter
Control)
S1
‐
6
IPA
Current
Reference
2
OFF
Sets
the
Overcurrent
trip
point
of
the
IPA.
Always
OFF.
S1
‐
7
PA
Fault
2
Slot
Dependan
t
ON
for
Backplane
2
‐
4(PA
Slots),
OFF
for
Backplane
1
S1
‐
8
IPA
Fault
2
Slot
Dependan
t
ON
for
Backplane
1(IPA
Slot);
OFF
for
Backplane
2
‐
4
Table 5-13 RF Switch Board S1
Switch
Name
Schematic
Sheet
Default/
User
Setting
Description
S1
‐
1
NC
1
N/A
Not
Used
S1
‐
2
400
W
1
OFF
Future
S1
‐
3
250
W
1
OFF
Future
S1
‐
4
200
W
1
ON
ON
for
all
FAX
units,
used
for
calibration
of
IPA
and
Fault
threshold
S1
‐
5
100
W
1
OFF
Future
S1
‐
6
60
W
1
OFF
Future
S1
‐
7
40
W
1
OFF
Future
S1
‐
8
15
W
1
OFF
Future
Table 5-14 Suggested Maintenance Routine
Periodicity
Task
Table 5-12 PA Backplane Board Switch S1
Switch
Name
Schematic
Sheet
Default/
User
Setting
Description
Содержание Flexiva FAX 5KW
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