363-205-401
Power Up: DLP-506
Issue 7, March 1997
Page 3 of 6
Figure 2 – Power Shelf
4.
Condition DMM to measure DC volts.
5.
Connect DMM test leads to GND jack and
−
48B jack on LDU.
6.
Does DMM indicate between
−
42 and
−
56 volts?
If YES, then proceed to Step 33.
If NO, then continue with Step 7.
7.
Condition DMM to measure AC volts.
8.
Connect DMM test leads to AC jack and GND jack on LDU.
GENERATOR
RINGING
3A
GENERATOR
RINGING
3A
PRU
336A
336A
337A
336A/
BFU
BFU
336A/
40D
40D
LDU
337A