IBM 5150 - Page 38

If you have a Diskette Drive, check the Diskette Drive power
connector.
(If not, continue on page 020-8.)
1. Reconnect the diskette power supply connectors. •
I I
2. Refer to the diagram below for the proper voltage readings.
You should get the same readings on
both connectors if
your system has two diskette drives.
Disk Drive Power Connector
Min VDC MaxVDC
-Lead +Lead
+ 4.8 + 5.25 2 4
+11.52 +12.60 3 1
Pins
1 2 3 4
WERE THE ABOVE VOLTAGE LEVELS PRESENT
BETWEEN THESE PINS INDICATED?
NO Replace the power supply. See Section 3,
"Removal/Replacement. "
YES
020-7