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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' attaching
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.
1-14 (No.MB371)
Power unit section
Y
Y
Rear cover
Power trnsfomer assembly
Fig.20
Rear cover
Fig.21
Y
Y
Power unit section
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