Xerox Telecopier 7033 Service Manual page 235

RAP 1.2.1 Hard Disk Drive Malfunction (continued)
17. Perform the following:
a. Disconnect the power cord.
b. Disconnect P/J275 from the hard disk assembly.
c. Remove the cover from the hard disk assembly.
d. Reconnect P/J275, then connect the power cord.
e. Measure the following voltages at P/J274 on the hard disk
power supply.
Pin 3 to pin 2 = 5 VDC ± .5 VDC.
Pin 6 to pin 5 = 12 VDC ± 1.2 VDC.
Both voltages are good.
Y N
| Replace hard disk power supply.
18. Replace the hard disk interface PWB.
replace the hard disk drive.
Telecopier 7032 / 7033 Service Manual
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8b-3
RAP 1.2.1