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SL-1200MK2
• ADJUSTMENTS
Pitch control (fine adjustment of speed)
(See
Figs.
18 and 19.)
When the pitch control knob is located at the center of the
position after tuming on the power, thegreen LED indicator
is lit showing the operating condition for the predetermined
speed (either 33·1/3 or 45 rpm). Thepitch control is variabie
in a range of ab out
±8%
Adjustment should be done on the basis of indicator scale.
Figures on the indicator show approximate percentages for
variabie pitch contro!.
When the strobe dots in 4
st~s
marked
a~
the peripheral
edge of the tumtable appear to be stationary, variation of
i,!ldividual pitches is shown. ISee Fig. 19.) --
"
Nou:
The strobe·illumination of this unit emplovs a strobe·illu·
minator LED synchronized with the precise quartz fre·
quency.
For fine adjustment of the tumtable speed, be sure to
effect the adjustment according to the LED illumination.
The LED illumination is not synchronized with fluorescent
lamps.
Adjustment of arm-lift height (See Figs. 20 and 21.)
The arm-lift height (distance between the stylus tip and
record surface when eueing - lever is -r.aised}· has been
adjusted at the factory before shipping to approximately
8-13mm.
If the clearance becomes too narrow or too wide, tum the
adjustment screw eloekwise or eounterclockwise, while
pushing the arm lift down.
Clockwise rotation
-distanee between the record and stylus tip is decreased.
Counterclockwise rotation
-distance between the reeordand.stylus-.tiP--is increased.
Note:
As the adjusting screw has hexagonal head, be sure to make
the adjustment while
depr~ing thearmJJ~or
the screw
wil! not move freely.
Also be sure that the hexagonal head retracts correctly into
the arm lift whenthe latter is released.
0)
~
'tahOnery 111hepilCh or ·6 ..
C2) appears stahOMry
.t
lhe
pilCh
ol .
3
~
(3) . .
purs
Slahon.wy 11 , .... pitch
ol
C)'!I,
(~)
apoears stahonary .,
,he
pllC"
ot
3 3Irt\
Fig. 18
Fig. 19
AdjuStment of the tonearm height (See Fig. 22.)
The height of the tonearm can be adjusted up to 6 mmo and
a scale is provided on the adjust ring in 0.5 mm inerements.
Be sure to set the proper arm height using the adjust ring
scale and referring to the tab Ie.
Hêight of cartridge (mm) Scale reading on the arm-height
(Hl
adjust ring
15
0
16
1
17
2
18
3
19
4
20'
5
21
6
For example. if the cartridge height is 17.5 mmo the arm-
height adjust ring should be positioned at the intermediate
location between
2
and 3 on the scale. (See Fig.
22.)
Caution:
Be sure to loek the tonearm by tuming the arm loek knob
in the direction indicated by the arrow after finishing the
height adjustment for the tonearm.
Lubrication (See Fig. 23.)
Apply
2
or 3 drops of oil onee after every
2000
hours' of
operation.
The time interval is much longer than that for conventional
type motors
(200·500
hours).
Please purchase original oil.
(Part
number is SFWO 010.)
I
I
&-13 mm (5/l&33/64")
Fig. 20
screw
!
I
I
Fig. 21!
Fig. 22
Fig.
23
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