IBM 9348 Service Information page 55

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Connect the ac power cable to
power outlet.
Remove the ac power cable from
the rear of the tape unit.
DANGER
Measure the ac voltage at the end
of the ac power cable that con-
nects to the tape unit (measure the
two outside pins as shown).
Is the ac voltage present?
Yes
No
1
If there is no voltage,
exchange the tape unit
power cable.
This ends the procedure.
18
DANGER
Ensure that you complete
the following step. An
electrical outlet that is not
correctly wired could
place hazardous voltage
on the metal parts of the
system or the products
that attach to the system.
(RS FTDOIB)
Return the tape unit to the service
position and:
Set the ac power switch at the
back of the tape unit to the
0
(off) posit ion.
Set the front panel Power
switch to the Off position.
Disconnect the power cable.
Disconnect the signal cable.
Chapter
1.
Analyzing Problems
1-43

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