(No.MB429)1-13
3.1.9 Removing the heat sink/power board
(See Fig.20 to 25)
• Prior to performing the following procedure, remove the front
panel assembly.
(1) Remove the four screws
Y
attaching the holder in the pow-
er unit section.
(2) Move the power unit section with the wire from the rear cov-
er temporarily. If necessary, release the band and unsolder
the wire on the power board.
(3) Remove the four screws
A'
and the two screws
B'
attach-
ing the holder.
(4) Remove the three bands on the wire extending from the
power board (part
e
). Move the holder in the direction of the
arrow to detach from the joint
f
.
(5) Remove the four screws
D'
and screw
E'
attaching the heat
sink.
Fig.20
Fig.21
Rear cover
Y
Y
Y
Y
Power trnsfomer assembly
Power unit section
Rear cover
Power unit section
