12/20/11 888-2595-001 5-9
WARNING: Disconnect primary power prior to servicing.
Section 5 Maintenance and Alignments
ZX Series
TRANSMITTER HAS BEEN RUNNING, ESPECIALLY IN HIGH AMBIENT TEMPERA-
TURE ENVIRONMENTS.
STEP 5 Insert replacement PA module. Corresponding power supply should
restart immediately upon PA module re-insertion.
STEP 6 Hand-tighten PA module thumbscrews to secure module in place. Do
not use a screwdriver.
STEP 7 If desired, use PA MODULE CURRENTS pushbuttons on controller
board and front panel meter PA AMPS position to verify new PA
module has a current draw similar to all other modules.
STEP 8 Close amplifier front door.
STEP 9 Procedure complete.
The PA MODULE CURRENTS pushbuttons are designed to be accessible with
the front door mostly closed and the front panel meter visible. When accessed in
this fashion, the physical arrangement of the buttons from 1 to 8 will mimic the
physical arrangement of the eight PS modules in the amplifier chassis.
Figure 5-1 Pressing PA Module Currents pushbuttons while viewing meter.
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