Power Supply Evaluation Entry Map (Cont.) - Sun Microsystems Enterprise Tape Library 7/3500 Field Service Manual

Power Supply Evaluation Entry MAP (Cont.)

Continued from page
page 69. Actuator driver
power checkout.
On the actuator driver PWA,
measure +24V on input side
of F2 (see
page 85). Between +23V
and +25V?
On the actuator driver PWA,
measure +48V on input side of
F1. Between +47V and +49V?
Is red fault LED on
robotics controller on?
On the actuator driver PWA:
1. measure +48V test point
on TP2. Between +46V
and +49V?
2. measure +24V test point
on TP1. Between +22V
and +25V?
See "Fault Isolation
Entry MAP" on
page 48.
70 Sun Enterprise Tape Library 7/3500 Field Service Manual • July 1997
No
on
FIGURE 3-2
Yes
No
Yes
Yes
No
No
Yes
Replace motor power
supply PS2 (see
"Motor Power Supply
Assembly" on
page 154).
Replace motor power
supply PS3 (see "Motor
Power Supply
Assembly" on
page 154).
See "Motor Power
Interlock Clearing
MAP" on page 58.
Replace actuator driver
PWA (see "Actuator
Driver PWA" on
page 148).