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P/O 86431-90 P/B
86431-0X
POWER UNIT
C9
TB2
NO
TO POWER ALARM
CIRCUIT
1) REFER TO UNIT EAS-86431-M1 FOR COMPLETE SCHEMATIC.
2) NORMALLY CLOSED CONTACT (J1 PIN C11) WAS EXPOSED ON
86431-90 PADDLEBOARDS MS ISS 91X AND MS ISS 1.
Figure 3: (B)86431-0X Power Unit Block Diagram
Copyright GE Multilin Inc. 2001-2013
MONITOR
POINT
2
1
P3
A12
A13
A12, C12
ALARM
LOW VOL.
DET.
U2
ALARM
RELAY
U3
A1-4
C10
C11
2
1
C
TO SHELF
POWER BUS
+ 5V
GND
A13, C13
J1
5
9
VICOR
CONVERTER
U1
1
4
F1
L2
L1
C1-4
J1
2
1
TB1
–
+
TO STATION BATTERY
GE Multilin
BLOCK DIAGRAM
POWER UNIT
86431-0X
342-86400-431PS
Issue 2.1
March 2013
Page 12
P/O 86431-90 P/B
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