5-10 888-2595-001 12/20/11
WARNING: Disconnect primary power prior to servicing.
Section 5 Maintenance and Alignments
ZX Series
5.3.2 Power Supply (PS) Module Swap Procedure
The PS modules are hot-pluggable and may be swapped at any time while the
transmitter is operating. Any PS module may be swapped with a PS module in another
position.
Tools required:
Small flat blade screwdriver
STEP 1 If a failed PS module is suspected, verify failure by looking for these
tell-tale signs:
a. Output power has dropped significantly.
b. Front panel STATUS LED has shifted from green to yellow.
c. AC>90V light on PS module extinguished and no corresponding AC
MAINS LOW fault is being reported.
d. PA(PS) ON LED on PS module extinguished and problem does not
change module position when corresponding PA module is replaced /
swapped with another.
STEP 2 Open amplifier front door.
STEP 3 Loosen extractor handle retaining screw on PS module lower right
corner.
STEP 4 Rotate extractor lever to start PS module extraction from transmitter. If
previously lit, AC>90V LED should extinguish. Fans inside power
supply will continue to spin for approximately five seconds after mains
power has been removed.
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