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Removing and Installing the Controller Chassis
PAGASYS GEN II (P-SYS-G)
Federal Signal www.fedsig.com
5.3.7 Removing the Amplifier Card
After the Amplifier Chassis is removed from the Cabinet and all cables are disconnected,
you then have access to the Amplifier Chassis.
To remove the Amplifier Card:
1. Undo the top cover retaining screws on the upper right and left edges of the Chassis.
2. Carefully lift the metal top cover. Four vertical amplifier cards (modules) are now
visible.
NOTE
: To remove an amplifier card, disconnect all its internal cables:
3. Unplug the front panel cable on the top edge.
Figure 44 Front Panel Cable
4. Unplug the fan cable near the front fan.
Figure 45 Fan Cable
5. Unplug the upper transformer plug.
6. Unplug the lower transformer plug.