
1-1
1.1 REPLACING THE FUSE
(1) Remove the POW board as described in 1.4.1.
(2) Remove F1, which is soldered onto the POW board.
CAUTION
Before replacing the fuse, check the cause of the fuse
blow in order to prevent a recurrence of the problem,
repair and confirm its normal operation. For safety and
to protect the equipment, be sure to replace the fuse
with the one having the specified parts number.
SECTION 1
DISASSEMBLY
1.3 REMOVING THE DOME COVER
(1) Rotate the dome cover
Å
in the direction of the arrow
e
and remove it from the main body.
Fig. 1-1
1.2 REMOVING THE MAIN BODY
(1) Loosen screw
1
then rotate the main body in the direction
of the arrow
f
to remove the main body from the ceiling.
Symbol No.
Part No.
F1
QMFZ035-5R0-S
Fig. 1-2
Fig. 1-4-1 (a)
(2) Remove the spring
Ç
in the direction of the arrow.
(3) Disconnect CN8 and CN9, and the remove the POW board.
Fig. 1-3
1.4 REMOVING MAJOR CIRCUIT BOARDS
1.4.1
Removing the POW board
(1) Remove the three screws
3
and the two screws
4
on the
bottom and remove the plate
ı
.
Fig. 1-4-1 (b)
F1
POW board
1
2
Å
3
4
ı
CN8
CN9
Ç
POW board