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NOTES
1) Care should be used during adjustment as not to damage
the stylus as it may
set down
outside
of the record
surface.
2) Be careful not to set the lead-in position too far inward.
This may cause improper pick-up sensing.
6. Rest Position Adjustment
*
When returning the tonearm to the arm rest, if the arm
does
not set properly
into the notch
in the arm
rest
(hits either the right or left side of the arm rest during
descent), perform the following adjustments. See Fig. 11
below.
;
Correct
Fig. 11
1) Depress the <4 (START)
button to cause lead-in of the
tonearm.
(Watch
carefully as the tonearm
may fail to
perform proper lead-in.)
2) Using a screwdriver, slightly turn the arm rest position
adjustment screw.
3) Depress
the B®
(STOP)
button to return the tonearm
to the
arm
rest. Confirm
that the tonearm
descends:
properly without touching either the right or left side
of the arm rest. If it does not descend properly into the
notch, adjust
its position
by repeating
the above
ad-
justments.
Upon
completion
of
adjustments,
confirm
proper
lead-in.
If the stylus fails to descend properly into the
lead-in groove,
re-adjust
by following
the instructions
given
in Adjustment
5. (Adjustment
of Lead-in
Posi-
tion.)
7-1 Adjustment of Horizontal Tracking Angle
1) Remove the bottom cover of the turntable.
2) Disconnect
the lead wire connected
to Pin 9 of the
main P.C.B. This will prevent platter rotation.
3) Disconnect CONN-4
(5 pin plug) from the main P.C.B.
4) Fig. 13 gives a detailed view of CONN-4.
Push pins 3
and 5 (at Point A shown in Fig. 13) with a minus 'S)
screwdriver and remove the lead wire.
To tonearm
Brown
UO
&
c
Orange
Yellow
Green
Push with minus screwdriver.
Me
A
12345
CONN -4
Fig. 12
5) Reconnect CONN-4 to the main P.C.B.
6) Connect the minus-side of an ammeter to pin 3 on the
body-side of CONN-4, and the plus-side to the orange
lead removed from CONN-4.
—
7) Connect the minus-side of the other ammeter to pin 5
on the body-side of CONN-4
and the plus-side to the
green lead removed from CONN-4.
(Range: 0—100uA)
Tester 1
(Ammeter 1)
Red
Orange
\
Green
Tester 2
(Ammeter 2)
Brown
Main P.C.B.
0
et
sere
Fig. 13
8) After turning on the power, depress the <
(START)
button. The tonearm will be activated and decend into
the record's lead-in groove. The tonearm will not move
further due to no platter rotation although the tracking
servo will be turned on.
9) Again turn off the power switch.
10) Disengage the drive belt for the horizontal drive motor.
11) Position
the tonearm
so the space ''A" and ''B" are
equal to each other as shown in Fig. 14 below.
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