363-205-401 Power Up: DLP-505
Issue 7, March 1997 Page 5 of 6
24. Insert
337A BATTERY CHARGER
into slot as follows;
51-type cabinet
• Second 337A into the second (counting left to right)
RECT/BATCHG
slot
in the power shelf (Figure 2).
• Third 337A into the slot located on left side of battery shelf (Figure 3).
Other type RT enclosure
Into the slot located on left side of battery shelf (Figure 3).
25. Press
HIGH RATE CHG/ACTIVATE
button on
BATTERY CHARGER
.
Response:
BAT DISCHG
indicator on
337A BATTERY CHARGER
is
lighted.
26. Connect DMM test leads to
GND
jack and −
48B
jack on
LDU
.
27. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
33.
If
NO,
then continue with Step
28.
28. Replace
337A BATTERY CHARGER
.
29. Connect DMM test leads to
GND
jack and −
48B
jack on
LDU
.
30. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
33.
If
NO,
then continue with Step
31.
31. Replace
337A BATTERY CHARGER
with
BATTERY CHARGER
removed
previously.
32. Check wiring between battery shelf being equipped with
BATTERY
CHARGER
and power shelf (refer to SD-7C119-01). Repeat procedure from
Step
26
after locating and correcting trouble.
33. Disconnect DMM test leads.
34. Unseat all of the
BATTERY CHARGER
s.
35. Are other
BATTERY CHARGER
s to be installed?
If
YES,
then repeat from Step
22.
If
NO,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.