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Technics QUARTZ SL-J300R Service Manual page 3

Direct drive automatic turntable system
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m@ LOCATION OF CONTROLS
Power "STAND BY
(!) ON"
indicator
Power "STAND BY (!) ON"
switc
h
F
DIRECT
ORIVE
AUTOMATIC
TURNTABLE
SYSTEM
SL-J300R
rineae anes Creede
Program buttons/indicators (1~8)
Search buttons
Lower cabinet
45 rpm adaptor
Turntable mat
Record groove scale
Tonearm
Cartridge
*
The cartridge for U.S.A.
and Canada shown here
is an option.
Stop/clear button
Start button
Cueing switch
Repeat switch/indicator
Optical sensor
Stylus set-down position
adjustment knob
Reset switch
Record size selector
Sensitivity selector
Speed selector
Turntable platter
Synchro-recording/remote e
control terminal
Synchro recording is possible if
a Technics amplifier with
"SYNCHRO-REC" terminal is
connected. Also remote control
operation is possible if the
amplifier has the remote control
function.
(Refer to the operating
instructions of the amplifier and
tape deck.)
Stereo connection
cable (included)
(R)(L)
Synchro-recording connection
cord (included)
PHONO OUT AC IN
Rk
oe
~
200° @
zz"
==
This unit
Stylus-set-down-position
adjustment screw
It has been preset at the
factory and should not
require readjustment.
AC power supply cord (included)
—_<«—
9
To the AC outlet of the audio
equipment or, household AC
outlet.
(Refer to the operating
inst-
ructions of the amplifier.)
Ground wire (included)
If the ground wire is not
connected, a "hum" noise may
be heard.
Note:
The configuration of the
AC outlet and AC power
supply cord differs
according to area.
Amplifier (option)
If the number of tunes is not correctly detected.
If the number of tunes on the disc and the number of tunes shown by the indicator do not agree, proceed as follows.
e After listening is finished, be sure to set the sensitivity selector
to the "M" position.
e|f the operations described above do not solve the problem,
play the disc manually.
If the number shown by the indicator is lower:
Specified tune is skipped....... Set the sensor sensitivity
over and the next tune is
selector to the "H" position
played instead.
bo
JM
ae
||| aaa
=
Ss)
=>
If the number shown by the indicator is greater:
Play starts from the middle ...... Set the sensor sensitivity
of a tune or stops at the
selector to the "L" position.
moddle of a tune.
LM
|
th:
Adjustment of the stylus-set-down position.
The stylus-set-down position is preset at the factory.
If, during the programmed play, no sound is heard even when the stylus reaches the beginning of the specified tune or, no sound is heard fora
long time after the stylus contacts the disc, make the adjustment.
Stylus set-down
position adjustment
knob
Notes:
eThe first tune of a disc can not be adjusted. Adjustment is
possible only for tunes 2 through 8.
®|f between-tune gaps are extremely short or contain music
and when an eccentric tune is used, this adjustment will not
correct the program and the disc should be played manually.
Set the sensitivity selector to the "H" position
©|f no sound is heard even when the
stylus reaches the beginning of the
specified tune,
Rotate in the "OUT" direction (to
1-2 clicks moves
'J the tonearm about
the right).
™ 0.1 mm.
@|f no sound is heard for a long time
after the stylus contacts the disc
mi
(more than 30 seconds),
Rotate in the "IN" direction (to the
+
>
left).
Always return the sensitivity selector to "M" position after
completing the above adjustment.

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