IBM 5150

Power On Diagnostics
WARNING: Always position System Unit switch to OFF and
remove power cord from wall outlet before checking cables or r"'\
connectors.
1.
•
Use a working lamp to check wall outlet.
• Remove and reinstall each cable to ensure proper
electrical connection.
•
Now that all cables have been checked, go to Step 2.
Video Power
Video Signal
(IBM Display Only)
(IBM Display Only)
Outlet O.K.
~.~,
~ -i ,\, c
1
Cassette (if used)
- ~
Keyboard
PDPs 4-4