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3.7 Lamp Ballast Unit Fan (FN905) Removal
1. Disconnect the thermal switch sockets.
2. Remove a screw A and disconnect the lamp socket.
3. Remove 2 screws B (bottom side) and a
screw C, and the remove the lamp
ballast unit upward.
4. Take the cover off from the lamp ballast
unit and remove 4 screws D and take
the lamp ballast board off from the
holder.
5. Remove the fan FN905 from the holder.
3.8 Power Board Removal
1. Remove 2 screws A and take the
power unit cover off upward.
2. Remove 3 screws B and pull the
power board upward.
Part 2: Repair Information
2-8
Lamp Ballast Unit
Fan (FN905)
Lamp Ballast Board
Blue
Brown
B
B
A
C
D
D
Lamp Socket
Thermal Switch Sockets
D
D
A
B
B
B
A
Fig. 2-11
Fig. 2-10