IBM 6580 User Manual

Mainframe Assembly and Front Cover
Removal
1. Turn the system power off, and
·disconnect the AC line cord from
the wall outlet.
2. Remove the brightness control knob
O. (See Figure 4-23.)
3. Perform the rear cover removal.
4. Perform the Display Analog Card
Removal.
5. Perform the Low Voltage Power Sup-
ply Removal.
6.
Note: If orily removing the front
cover, go to Step 8.
Remove the three screws, the
Cable/Display Indicator Panel, and
the AC Cable Assembly
•
from the
Mainframe
Assembly.
(Cable
has
three ground wires.)
7 . Perform the CRT Anode Discharge
Procedure and the High Voltage
Power Supply Removal.
8. Disconnect the Display cable from
the electronics module (Panel 1,
Connector 2).
DANGER:
Be extremely careful when work-
ing near the neck of the CRT.
The CRT may burst inward
(implode) if broken.
9. Remove the eight screws G; that
hold the mainframe assembly to the
front cover.
10. Lift the mainframe 0 from the
front cover, and place :i t in a
shipping carton for safe handling
during transport.
CAUTION:
The CRT slowly recharges when
the anode lead is disconnected; be
sure to perform the Anode Discharge
Procedure when
replacing the
mainframe assembly and before
reconnecting
the High Voltage
Power
Supply to the CRT. (This also
applies
to a new mainframe
assembly being
installed.)
4-20 IBM Displaywriter Product Support Manual

IBM 6580 Specifications

General

Brand	IBM
Model	6580
Category	Desktop
Language	English