Canon PC720 Service Manual - Page 132
Disconnect
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MNMECHANICAL SYSTEM 2. Removing the Main Drive Assembly 1) Remove the top cover. 2) Disconnect the ten connectors O from the composite power supply PCB 0. (D. 4) Remove the insulating sheet O /1/ 2 c), 0 0 0 0 11 /1/ Figure 4-242 3) Remove the seven screws 0; then, while disengaging the claw ®, remove the composite power supply PCB O. ® ®O OO O Figure 4-244 5) Remove the screw ©, and remove the grounding wire 0. 0 0 00 0 0 O Figure 4-245 e, 6) Remove the four screws and remove the main drive assembly S. 3 Figure 4-243 4-16 COPYRIGH©T 1994CANONINC. P. 0 0 a° 0 Figure 4-246 CANONPC120i740050MR0EV.0AUG.1994PRINTEIDNJAPANomput AUJAPON)
MN
MECHANICAL
SYSTEM
2.
Removing
the
Main
Drive
Assembly
4)
Remove
the
insulating
sheet
(D.
1)
Remove
the
top
cover.
2)
Disconnect
the
ten
connectors
O
from
the
composite
power
supply
PCB
0.
O
/1/
2
c)
,
0
Figure
4-242
3)
Remove
the
seven
screws
0;
then,
while
disengaging
the
claw
®,
remove
the
composite
power
supply
PCB
O.
OO
O
®
®O
3
Figure
4-243
0
11
0
0
/1/
Figure
4-244
5)
Remove
the
screw
©,
and
remove
the
grounding
wire
0.
0
0
00
0
0
O
Figure
4-245
6)
Remove
the
four
screws
e,
and
remove
the
main
drive
assembly
S.
P.
0
0
a°
0
Figure
4-246
4-16
COPYRIGHT
©
1994
CANON
INC.
CANON
PC120i740050M0
REV.0
AUG.1994
PRINTED
IN JAPAN
omput
AU
JAPON)