Sharp WC-S2000GM Serviceanleitung Seite 18

VC-S2000GM
1. Remove the cassette housing control assembly. ' «punched mark of chassis, tentatively tighten the:screws
2. In unloading state unplug the power cord. -.:@ and @: so as to ensure smooth motion of:A/C 'Head
plate. Tentative tightening torque must be 0.15 to 0.20
« Removal -N-m (1.5 to 2.0kgf-cm).
1. Remove thescrews (1) @©®), Azimuth screw, Tilt screw.
2. Unsolder the PWB fitted to the A/C head.
Notes:
1. When replacing, never touch the head. If you touched,
clean with the cleaning liquid.
2. When removing the screw @), take care so that the
spring may out.
Height screw
Left end of A/C head plate gear
Punched line mark on chassis
Tilt screw Figure 4-25,
Azimuth screw Note:
1. Ifthe screws @ and @) are tighten tentatively too loose,
the azimuth and-height of A/C head may change when
they are finally tightened. Therefore caré must be'taken.
2. After completion of A/C head be sure to adjust tape
running. {Execute the running adjustment by the method
described in Page 20, 21.)
Figure 4-23,
« Replacement
1. Solder the removed PWB to the new head assembly.
2. Adjustthe height from the A/C head plate (lower surface)
to the A/C head base to 10.8mm with slide calipers. (3
places of azimuth screw section, tilt screw section and
hight screw section) (See the figure below.)
Solder
New A/C head ass'y
yy
A/C head PWB
*#Never touch the heagl| J
10.8mm
Figure 4-24.
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