User's Manual

NDA-24300 CHAPTER 5
Page 369
Issue 1
FAULT REPAIR PROCEDURES
(4) Figure 5-16 shows the power supply system for PIM.
Figure 5-16 Power Supply to PIM
(5) Figure 5-17 shows the power supply system for LPM.
Figure 5-17 Power Supply to LPM
DC-DC
CONV
RGU
HOW
-48V
NFB
+80V
rel
RGU
REL
PWR0
-48V +80V
Note
+5V, +12V, -5V
CR (for LC)
HOW (for LC)
-48V (for LC, TRK)
+80V
+80V -48V
DC-DC
CONV
RGU
HOW
-48V
NFB
+80V
rel
REL
PWR1
Note:
+80V is for message waiting lamp.
+5V,+12V
(To EMA, MISC, Cards, etc.)
-48V
(To EMA, MISC, Cards, etc.)
PWR1PWR0
DC-DC
CONV
DC-DC
CONV
-48V
+80V
REL
REL
-48V
+80V
(To CPR#0)
-48V
(To CPR#1)
-48V