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Actuator Driver Fuse Isolation Entry Map
On the actuator driver PWA,
connect an ohm meter to a
ground test point and to the
test point for voltage of the
blown fuse (see
page 85). Resistance should
be less than 10 ohms.
Short present?
Disconnect J4 (see
on page 85).
Short still present?
Disconnect J5 (see
on page 85).
Short still present?
Replace the actuator driver PWA
(see "Extension Axis Assembly"
on page 126). Replace blown
fuse if required.
See "Fault Isolation Entry
MAP" on page 48.
68
Sun Enterprise Tape Library 7/3500 Field Service Manual • July 1997
No
on
FIGURE 3-2
Yes
FIGURE 3-2
No
Yes
FIGURE 3-2
No
Yes
Replace blown fuse.
Replace the extension axis
(see "Extension Axis
Assembly" on page 126).
Replace blown fuse.
Replace the x-axis
interconnect PWA (see "X-
Axis Interconnect PWA" on
page 99). Replace blown
fuse.
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