promethean PRM-30A Service Manual page 16

Mechanical Disassembly
v Power, Ballast Boards and Fans (FN906, FN907) removal
1. Remove 3 screws A(T3x8) to remove the Fans (FN906, FN907) Assy.
. R emove 1 screw B(T3x8) to remove the Lamp Socket. Remove 3 screws C(T3x8) to
remove the Lamp Cover Bottom. Unhook the ballast cable from the cabinet bottom.
3. R emove  screws D(M4x6) and 3 screws E(T3x8). Disconnect the connectors "CN1" on
the Ballast Board and "K6C" on the Power Board. Remove the Power Box Top upward
off.
4. Remove 3 screws F(T3x8) to remove the Power Board.
C C
B
Lamp Socket
Lamp Cover
Bottom
Fig.4
A
A
A
FN906
FN907
-16-
d d
e
e
e
Power Box Top
F
F
F
Power Board
Isolation Sheet
Isolation Sheet
Ballast Board