7. Electronic parts and servicing procedures
Schematic overview
LPS
PFC
+380VM
PS
25v@100A
+
to SPG & lamp
-
CLO
LFR
I2C
+5V
+380VM
MAINS IN
CTRL
light
feedback
U, I
engine contr.
Image 7-49
LPS: block diagram
Diagnostics
No LEDs visible.
7.5.2
Removing the LPS
Necessary tools
•
Torx screwdriver T10
•
Torx screwdriver T20
•
nut spanner 10 mm
How to remove the LPS?
1. Remove the covers (see concerning chapter)
-
rear cover
-
top cover
2. Remove the lamp power cover (see concerning chapter)
3. Disconnect all wires:
-
remove the nuts M6 to disconnect the wires to the lamp and to the SPG
-
unplug both wires coming from the mains power
-
unplug both wires coming from the engine controller (LFR + I2C)
4. Remove three
fi
xing screws
R59770141 GALAXY NH-12 20/02/2008
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Summary of Contents for Galaxy NH-12
Page 1: ...Galaxy NH 12 Service manual R9040400 R59770141 00 20 02 2008...
Page 4: ......
Page 12: ...1 Safety guidelines 8 R59770141 GALAXY NH 12 20 02 2008...
Page 42: ...6 Projector layout 38 R59770141 GALAXY NH 12 20 02 2008...
Page 142: ...8 Optical parts and servicing procedures 138 R59770141 GALAXY NH 12 20 02 2008...