Appendix F – Program Run Disable Mode
224
Instruction Manual – Enova DGX 8/16/32/64 Digital Media Switchers
Removing CPU Board and Setting DIP Switch – Enova DGX 8/16/32
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 8/16/32
CPU board and set the DIP switch:
1.
Disconnect
both 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 two screws from the CPU faceplate: one each on the far left and far right.
4.
Remove the CPU faceplate and set aside.
Tip:
Removal of the CPU board is easier if the two metal plates under the CPU are removed first.
5.
Use the tab indicated in FIG. 130 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. 129
Remove screws indicated
FIG. 130
Use tab to pull CPU board straight out
Remove screws
CPU board
Tab for removing CPU board
