Diagnostics Of The Power Box; Removing The Power Box - Barco Galaxy NH-12 Service Manual

7. Electronic parts and servicing procedures
Connector
19 & 20
21
The connectors which are not mentioned are not used in this projector!
7.2.2

Diagnostics of the power box

LED diagnostics
Four LED's can be seen through the opening in the box between connectors 3 and 4.
Image 7-23
Power box: diagnostic LEDs
LED LED color
number
orange
1
green
2
3
orange
4
7.2.3

Removing the power box

Necessary tools
• Torx screwdriver T20
• Nut spanner 7 mm
How to remove the power box?
The way to remove the power box is to first remove the assembly {power box — X-fan supply — fan X-fan} as a unit and then to
remove the {X-fan supply — fan X-fan}.
1. Remove the covers (see concerning chapters) :
48
Description
motor control and power supply to lens shift board
mains power supply to the X-fan supply
orange
1 2 3
7 8 9
15
Description
ON when +12V is active (active state of the projector)
ON when ++12V is active (standby state of the projector)
red ON if the power box sends an interrupt to the projector control and the projector control does
not read this interrupt
BLINKS (with a frequency of 1 sec) when the power box control is OK
green orange
red
1 2 3 4
4 5
12
16 17 18
6
14
13
19
21
R59770141 GALAXY NH-12 20/02/2008