604 Voltage Check
The system supplies
DC
voltage to the diskette drive through connector
PS.
PS
connects to the drive control
card through the
I/O connector pins (I/O CP)
II.
(Measure voltages at test points on diskette drive.)
In
World Trade countries, remove the ESD protection shield before verifying the voltages. Use a multimeter to
verify the voltages.
If
the voltages are missing
or
not
correct, go to "435
DC
Voltage Distribution"
on
page 4-11.
If
the voltages are correct, exchange the A1D2 card or the diskette drive ("606 Diskette Drive Removal").
1/0
CP
Voltage
II
P8.
+
12
vdc 1
Ground 2
Ground 3
+5
Vdc ±0.5 V
4
606 Diskette Drive Removal
1.
Power
off
the
5363
and disconnect the power cord
at
the customer power outlet and the 5363.
2.
Remove the covers ("305 Cover Removal" on page 3-2).
3.
Remove the four mounting screws (two on each side) from the diskette drive.
4.
Slide the diskette drive slightly forward to permit access
to
the cables.
5.
Disconnect the
PS
power plug
and
the signal cable.
6.
Remove the ESD protection shield (World Trade only).
7.
Remove the diskette drive by sliding the unit towards you until it is
out
of
the
5363
frame.
S.
Install the diskette drive by doing the previous steps in reverse order.
Section
6.
Diskette Procedures 6-3
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