IBM 6580 User Manual

Pad Card (Type A only)
1. Turn system power off.
2. Perform Keyboard Cover Removal.
3. Remove the two screws holding the
keyboard logic card. Disconnect
the speaker cable G and the key-
board cab Ie •. Remove the logic
card.
4. If a key module is to be removed,
locate the position of the key
before the keyboard is inverted
and remove the keybutton.
5. Remove the two mounting screws on
each s ide of the keyboard under
the contamination shield •.
•
6. Lift the keyboard out of the key-
board frame.
7. Invert the keyboard and install it
on the frame using a screw on each
side to hold the assembly in
place.
WARNING: Removing the pad
card with a key pressed may
cause the fly plate to spring out
of the key module.
8. Ensure there is no pressure on any
keys.
9. Remove the screws from the pad
card G.
Pad Card Screws
10. Lift the pad card from the key-
board assembly.
To assemble, reverse the above
procedure. Before inserting the
logic card, the pad card should be
cleaned and lubricated as follows:
a. Carefully wipe the pad card
with an alcohol pad followed
by a lint-free cloth.
b. Use a light abrasive (Part
Number 9900089 or a pencil
eraser) to clean the top and
bottom copper contacts of the
30 pin-edge connector •.
c. After cleaning the contacts,
apply a thin layer of IBM No.
10 oil to the edge connector
5-18 IBM Displaywriter Product Support Manual

IBM 6580 Specifications

General

Brand	IBM
Model	6580
Category	Desktop
Language	English