Comtech EF Data XPA-200 Installation And Operation Manual page 83

XPA200-7984-I-OPT1, X-Band SSPA
SYMPTOM
10V Power Supply
Fault (PS1 or PS2)
Faulty/Improper
Redundancy Switch
operation
XPA200-7984-I-0PT1, Rev.2
POSSIBLE CAUSES
Faulty wire or connection.
Excessive current draw from
transistor inside amplifier
module.
Faulty Power Supply.
Faulty wiring or connections.
Improper settings.
SOLUTIONS
Check cable and connection
from both PS1 and PS2 to
amplifier module.
of module, measure voltage.
Expected voltage = 10 +/-
.5Vdc.
Use "MONITOR" menus to check
transistor currents.
excessive values and return
entire unit to manufacturer
for repair.
Return failed power supply
for repair. Replace with new
power supply.
Addendum
On outside
Record
7.5