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GR-S
SERIES
4. Replacement of the parts mounted on the front of the main chassis
4,
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a. Replacement of the control P.C.Board
(1) Remove four solders @ and remove the head P.C.Board and the two wire flat as shown in Figure 10.
(2) Remove four claws @ and remove the P.C.Board as shown in Figure 10.
(3) After replacing the old P.C.Board with a new one, mount it following the removal steps in the reverse order.
NOTE : @ Since the wire flat is very easily damaged, handle it with care.
@ When using the soldering iron, set the temperature of the soldering iron to 320°
+30°C and the
soldering time to less than 3 seconds, but solder point (2-3 to less than 1 second.
@ Take care that the solder is not loose, that there is no shortcircuit and that the coating is not damage.
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b. Replacement of the sub motor assembly
guard
(1) Remove M1.2 lock washer (i) and one
Ps
screw @ as shown in Figure 9.
,
(2) Remove the sub motor assembly by
pulling it up in the direction of the arrow
as shown in Figure 9.
(3) Mount it, following the removal steps in
the reverse order.
NOTE : @ Do not reuse the used lock
washer for remounting.
@ Take care to avoid damage
by piercing and tearing.
@ Fasten the one screw with
a fastening torque of 6kg.cm.
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Figure 11
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