Sharp VT-3428X, Руководство по обслуживанию, Страница: 29 / 136

REPLACEMENT OF A/C
(Audio/Control)
HEAD
Remove the cassette housing control assembly.
Place the unit in the unloading mode, and
unplug the power cord.
l
Removal
Loosen the tilt adjusting screw
Remove the azimuth adjusting screw
Remove the
head screw
Unsolder the A/C head soldered to the A/C
head assembly.
Notes:
After replacement, be sure to perform the
adjustment of the tape drive train (see page
Under any circumstances, avoid touching the
head. Clean the head, if touched with your
finger, with alcohol.
Take care that the azimuth spring does not fly
off when removing the A/C head screw.
A/C head
Pay attention to
Figure
l
Replacement
Solder the removed A/C head onto a new
head assembly.
The A/C head assembly is attached so that the
A/C head arm and A/C head plate are roughly
parallel to each other.
New A/C head
Never touch the
adjusting nut
Figure
l Adjustment
head tilt angle]
Set the mechanism to the loading mode.
Place the A/C head tilt adjusting Jig
Slowly turn the tilt adjusting screw with a
screw driver until there is no gap between the Jig
and the
head.
A piece of white paper
visuality of a gap)
A/C head tilt
adjusting jig
Tilt adjusting
screw
Screw driver
head arm head
Figure
A/C head plate
Figure