Appendix F – Program Run Disable Mode
226
Instruction Manual – Enova DGX 8/16/32/64 Digital Media Switchers
Removing CPU Board and Setting DIP Switch – Enova DGX 64
Items Required
Phillips #1 screwdriver
ESD wristband and cord with an alligator clip
Note:
The following procedure requires that the CPU board be removed, the DIP switch set to PRD mode, the
CPU board reinstalled, and resolution of the communication and/or control problem. The procedure also
includes removal of the CPU board a second time to reset the DIP switch back to Normal mode.
To remove an Enova DGX 64
CPU board and set the DIP switch:
1.
Disconnect
all four AC power cords
. Make sure that none of the power supply LEDs are illuminated.
2.
Disconnect
all
cables
connected to the CPU.
3.
Remove the 17 screws from the CPU faceplate.
4.
Remove the CPU faceplate and set aside.
5.
Use the tab indicated in FIG. 134 to pull the CPU board straight out of the enclosure.
Caution:
Do not remove the CPU board until you are ready to change the Configuration DIP switch.
ESD Warning:
To avoid ESD (Electrostatic Discharge) damage to sensitive components, make sure you are
properly grounded before touching any internal Enova DGX materials. Use an ESD wristband and cord with
an alligator clip attached to a good ground source.
FIG. 133
Remove screws from faceplate
FIG. 134
Use tab to pull CPU board straight out
CPU board
Tab for removing CPU board