IBM 5150 - Page 148

Error
Description
Power
Supply
~
Check
.r'"'\
~
Diagnostic Action
2.
Position Printer Power switch to OFF.
Unplug Printer power cord. Replace fuse
(see Section 3, "Removal/Replacement").
Disconnect power transformer connector
from Fuse-Filter card (see Section 5,
"Locations"). Plug in Printer power cord.
Power on for I minute. Power off. Unplug
Printer power cord. Check for open fuse.
Fuse open?
DANGER: STATIC VOLTAGE MAY BE
PRESENT ON THE FUSE-
FILTER CARD. USE EXTREME
CAUTION.
YES:
Replace Fuse-Filter card (see Section
3, "Removal/Replacement").
NO:
Replace power transformer (see
Section 3, "Removal/Replacement") .
•
1400-7