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How To Operate - Technics SP-25 Operating Instructions Manual

Quartz direct drive c

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How to operate
1. Set the power switch to the,"'on" position. (See Fig. 7.)
The revolutions are indicated at 33 (33-1/3 mpm.) of the
speed select button. (See Fig. 8)
Upon setting the power switch to "ton". the revolutions are
changed
over to. 33-1/3 rpm. at all times,
It the record to be played Is other than a 33-1/3 rpm.,
depress the spead select button to sult the phono
disc tobe
played.
2. Place
a record on the turntable mat.
Push the start-stop button. (See Fig. 9.)
The turntable platter will begin to rotate and reach its
constant rotation speéd within 0.7 sec, (33-1/3 rom.).
3. Upan completion of playing, depress the start-stop button,
The turntable is instantly stopped by electronic brake
system.
After that, set the power switch to "off. (See Fig. 10.)
& Pitch control
(turntable speed fine adjustment).
The turntable speed of this unit can be fine-adjusted about
+6% range. With the pitch control knob at "O", it is sett
normal
spaad (33-1/3 of 45 rpm), and the strobe marks
appear to be still.
Note:
The number (1-6) printed on the pitch control knob shows
the speed variation (%) approximately,
"+" direction
The speed of tha turntable platter will increase. Turn the
knob in this direction if the strobe dots seem to be "falling
back" i.e. seem to be moving counterciockwise. When the
dots appear to be stationary, turntable speed is accurate.
"—" direction
The speed of the turntable platter will decrease. Turn the
kneb in this direction if the dots seem to be "running
ahead", i.e. seem to be moving clockwise, until they appear
stationary.
Note:
For the strobe-illumination of this unit, a quartz controlled
precise
strobe-illuminator
with
red
LED
illumination
is
employed. it is essential to carry out turntable speed fine
adjustment
under the illumination of this LED light emission.
Since
synchronization
is not possible with fluorescent
lamps, use of a fluorescent lamp makes the strobe markings
look as though they are flowing. Likewise adjustment cannot
be made with an incandescent lamp. (See Fig. 11)
@ Be extremely
careful
about
handling the turntable
platter. (See Fig. 12.)
The magnet is attached to the inner reverse surface of the
turntable platter.
For handling, extra care should be taken to prevent
adhesion of dust or iron filings to the magnet. and not to
damage the magnet by accidentally dropping It from a high
position.
Do nat detach the turntable platter more than necessary.
Should the turntable platter be removed by necessity be
sure to first disconnect the power plug.
Keep your hands off the screws al the reverse surface ot the
turntable platter and motor portion.
@ Wipe the unit witha soft, dry cloth.
'Never use any cleaners containing alcohol, benzene or
thinner, Use of a chemical
dust cloth should also be avoided.
® Lubrication
Apply 2 or 3 drops of oil once after every 2000 hours of
operation. (See Fig. 13.)
This time interval is much longer than that of conventional
type motors (200—500 hours).
Please purchase original brand of oll (Paris number is
SFWO 010.)
'
For longer and safer use
of this unit
In order to receive the best service from this unit, and for the
Safest operation, carefully raad the following information.
@ Power source.
itis very dangerous
to use this unit ata voltage which is
different trom the rated voitage.
There is danger of combustion if the unit is connected to a
power source which is different from the rated voltage.
Be very careful conceming this paint.
Direct current cannot be used,
There are some places, such as ships, where direct current
is used as the power source. Before connecting the unit,
confirm the power source.
@ Connection of power cord.
Wet hands are dangerous.
Be sure to never touch the power cord with wet hands
because there is danger of electric shock. This is true, of
course, of all electric equipment,
'
Do not pull the power cord.
Never pull the power cord to disconnect it. Always pull the
plug only.
@ Location of unit.
Choose a place which is not in direct sunlight.
Select a place which will assure good ventilation.
@ Never place heating equipment nearby.
Be sure to keep stoves and other sources of heat away from
this unit, because heat radiated by such equipment may
cause deformation of plastic plarts or damage the cabinet,
Or, at worst, cause a fire,
@ Especially
for families with children. *
Take care that no small Items, such as metal objects, are
put inside this unit.
In addition, children should be especially warned not to put
anything
into the ventilation holes, such as toys or a
Screwdriver because these things may cause an electric
shock or result in a malfunction of the unit.
@ If water spilis on the unit.
If water should happen
to spill on the unit, from an
Overturned
vase for example,
there is danger of fire or
electric shock. Disconnect the power plug from the electric
outlet immediately, and contact the store trom which the unit
was purchased.
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