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Sharp RP-107H Service Manual page 30

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RP-107H/117H
©
ADJUSTMENT
OF SIDE A/SIDE
B TONEARM
LEAD-IN
POSITION
1.
2.
3.
Turn
on the power
switch and put an LP record into the
unit.
Push
the cue
key to keep the tonearm
in cue-up mode.
Close the turntable chassis, and push the play/cut key to
see that the tonearm is moving from the rest position to the
LP lead-in position.
. Operate
both
the cartridge
forward
and
reverse
keys to
allow a forward/reverse motion of the tonearm, then check
that the tonearm clamping wire is having a proper tension.
After that, bring the tonearm
to the lead-in position and
turn off the power.
. Loosen the screws at the side A (or side B) tonearm clamp-
ing wire to allow motion of the tonearm. At the time, hold
the tonearm
base with hand so as to prevent the cartridge
(stylus tip) from touching the record surface.
. Secure the screws so that the stylus tip is at the central part
of the lead-in position as shown in Fig. 40-1. At the time,
hold the tonearm base with hand so as to prevent the stylus
tip from touching the record surface.
. Again turn on the power, push the play/cut key, then see
the stylus tip is moving down to the central part of the
lead-in position. If not, push the play/cut key to cause the
tonearm to return to the rest position, then repeat Steps 2
to 6 above. Or use the fine adjusting screw to correct it.
. Put an
EP record
into the unit, and take the same
pro-
cedures as mentioned above.
APSS SENSOR
POSITION
ADJUSTMENT
1.
Put an LP record into the unit and place the unit in APSS
play mode where the desired program of a record is auto-
matically
searched
out.
Then
check
if the stylus tip is
moving down to the central point of the space between two
programs
when the program
you want to listen to is de-
tected.
. If the stylus tip moves down not to the central point of two
programs but to the point nearer to the previous program,
turn the adjusting screw in the direction
A shown in Fig.
40-2
to allow the stylus tip to move
down
just to the
central point of two programs.
. If the stylus tip moves down not to the central point of two
programs but to the point nearer to the next program, turn
the adjusting screw in the direction
B shown in Fig. 40-2
to allow the stylus tip to move
down
just to the central
point of two programs.
. When
turning the adjusting screw, move
it gradually with
each turn being limited to 90°.
—40—
Hexagonal
\
ip en
Screw
sc
} Wrench
Fine
Cartridge
Adjustment
Record
Screw
Lead-in
Position
Center
Fine
Screw
Adjustment
Screw
Figure 40-1
Hexagonal
Wrench
(1.27mm)
Figure 40-2

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Rp-117h