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Pc-board DP-S3NEFI
The pc-board DP-S3NEFI is mains filter and power-up circuit in one for the V24 mobile.
Functions
-
mains filter
- reducing start-up peak current for capacitors
- supply and safeguarding of control transformer
Measuring points
designation
measure point
result
mains input L1
LP1
~
400V AC
mains input L2
LP2
mains input L3
LP3
mains output L1
LP4
~
400V AC
mains output L2
LP5
mains output L3
LP6
supply voltage control transformer
X10/1
X10/2
~
~
400V AC
drive level relay
X4/1, 3
X4/2, 4
+
-
24V DC
Picture pc-board DP-S3NEFI
X4
X10
SI3
SI4
LP1
LP2
LP3
LP4
LP6
LP5
LP7
650.1281.x DP-S3NEFI RP359/1
D00.0107.0-00
Fuses
Safeguarding the control transformer via Si1, Si2 : each 4A, 400V (slow)
Summary of Contents for V Series
Page 1: ...Service Manual V Series 909 0340 1 05 ...
Page 47: ...page 47 ...