Troubleshooting
A70622-D1
150/192
SPS
Replacing Auxiliary PSU 5/12/24V
Replacing PSU 48V - Replacing Galvo PSU 15V
1 / 1
Special Tools
Flat Screwdriver 6mm + Allen Key 2mm
Prerequisite
Switch off the laser
Unplug from the mains supply
Electronic Plate is removed
Remarks
1
Unplug :
JP1 from AC/DC converter board
DC connector 21 pts (A)
48V connectors 4 pts from the interconnect
rack board (B).
2
Remove the plate under the supply block
by unscrewing the four large screws (C).
3
Remove PSU 48V (if defective) :
Unscrew the two (2) CHC screws (D)
accessible from the rear side of the plate.
Remove Auxiliary PSU 5/12/24V (if
defective): Unscrew the four (4) CHC
screws (E) accessible from the rear side of
the plate.
Remove Galvo PSU 15V (if defective):
Unscrew the two (2) CHC screws (G)
accessible from the front side of the block.
4
Disconnect all electrical wire from the
defective PSU board.
Replace it and reconnect all wires
Re-assemble and reconnect all
parts/connectors in the reverse order
Note : Connection for Auxiliary PSU 5/12/24V
OUT IN
V2 COM COM V1 V1 V3 V4
PHASE GROUND NEUTRAL
5 to 5.2V
+12 to +12.3V
-12V
2 yellow
Wires
2 Black
Wires
2 Black
Wires
2 red
Wires
2 red
Wires
2 blue
Wires
1 brown
Wire
1
green/yellow
Wire
1 blue
Wire
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