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FC-9/FC-14 Mounted Board Replacemen1
SECTION 4
PART REPLACEMENT
4·1. FC·9/FC·14 MOUNTED BOARD REPLACEMENT
4-1·1. Removal
a.
Remove the three screws (PSW2.6 x 6) which fasten
both the FC-9/FC-14 Mounted Board and shield
plate to the chassis ass'y. (Refer to Fig. 4·1 (a) )
b. Remove all the connectors.
Do not apply any
excessive force to the head harness (CNI06).
.
(Refer to
Fig~
4·1 (b»
fa}
Bosl-t-+_".q,.:::),.
fb}
Fig.
4-1
FC·9 / FC·14 Mounted Board
4-1·2. Installation and Adjustment
a. Set the respective connectors to the FC·9/FC·14
Mounted Board.
-29-
Harness
FC·9/FC·14
Mounted Board
7p (To the disk motor)
CNIOI
6p (To the stepping motor)
CN105
(V) 5p (To the head)
CNI06
(W)
6p (To the head)
. CNI06
3p (To the plunger)
CNI04
3p (To LED)
CNI02
3p (To tp.e TRK 00 sensor)
CNI03
b. Insert the harness between the chassis ass'y and
FC·9/FC·14 Mounted Board and fasten the
FC·9j
FC·14 Mounted Board and shield plate with the
three screws (PSW2.6 x 6). (Refer to Fig. 4-1)
c. Read amplifier gain and offset adjustment. (Refer
to 5·7)
d. Index phase adjustment. (Refer to 5-6)
4·2. FRONT PANEL ASS'Y REPLACEMENT
4·2·1. Removal
a. Remove the two screws (PS2.6 x 10) from the
bottom of the chassis ass'y and then remove the
front panel ass'y. (Refer to Fig. 4-2)
4-2-2. Installation
a. Install the eject button and compression spring
onto the front panel ass'y.
b. Install the LED into the square opening within the
front panel ass'y, and then press the front panel
ass'y to the chassis ass'y.
c. Fasten the chassis ass'y to the front panel ass'y on
the bottom surface with the two screws (PS2.6 x
10). (Refer to Fig. 4·2)
NOTE 1: Install both the chassis ass'y and front panel ass'y
in place so that these assemblies closely contact.
NOTE 2: Do not pintch the harness, (especially head har·
ness), during the installation le, the head harness
gap between these assemblies.
PS2.6x10
.
CDmp,"",~ r-l~.;:
FC.9/FC'14
Spring
;~r
Mountlld Board
E"'Butt . .
~ ~
i
~
~~~~II
~
.
~
~
D'_ GLSPR20
Front pa!,AIS'Y
.
Fig.
4-2
Front Panel
Ass'y
Replacement
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