Canon D78-5532, Service Manual, Page: 34 / 119

3.6 Power, Lamp Ballast, Lamp Cover SW Board Removal
1. Remove the isolation plate on the
power box.
2. Remove 4 screws A (T3 × 6) and
disconnect terminals “K6A”, “K6B” and
“K6D” then remove Power Board
upward.
3. Remove 4 screws B (T3 × 6) and remove
the Lamp Ballast Board upward.
4. Remove 2 screws C (M2.5 × 6) and
remove the Lamp Cover SW Board.
5. Remove 4 screws
D
(T3
×
8) and pull the
power box bottom upward.
3.7 Fans Removal
1. Remove 1 screw A (T3
×
8) and
remove fan “FN903”.
2. Remove 4 screws
B
(T3
×
8) and 2
screws C (T3 × 10), and take the fan
cover-A and fan “FN904”.
3. Remove 1 screw D (T3
×
8) and take
the fan duct-A and fan “FN906”.
4. Remove 1 screw E (T3 × 8), 2 screws
F (T3 × 10) and take the fan cover-B
and fan “FN905”.
Part 2: Repair Information
2-8
A
A
A
A
Power Board
Lamp Ballast Unit
B
B
B
B
Lamp Cover
SW Board
C
D
D
D
D
Isolation plate
FN903
A
B
B
B
C
B
C
FN904
D
FN906
F
E
FN905
Fan Cover-A
Fan Duct-A
Fan Cover-B
F
Fig. 2-10
Fig. 2-11
F
F
E
E
Thermal SW Cover
Thermal SW
(SW902)
E
= T3
×
6
F
= M2.5 × 6