Technics SL-J33 - Tonearm Section; Product Service

Troubleshooting
Guide
Before
requesting
service
for
this
unit,
check
the
chart
below
for
a
possible
cause
of
the
problem
you
are
experiencing.
Some
simple
checks
ora
minor
adjustment
on
your
part
may
eliminate
the
problem
and
restore
proper
operation.
If
you
are
in
doubt
about
some
of
the
check
points,
or
if
the
remedies
indicated
in
the
chart
do
not
solve
the
problem,
refer
to
the
directory
of
Authorized
service
centers
(enclosed
with
this
unit)
to
locate
a
convenient
service
center,
or
consult
your
Technics
dealer
for
instructions.
Problem
A loud and unusual sound
(“howling”) is heard when
the volume level is
increased.
The
location
of
the
turntable
and
speaker
systems
is
unstable.
Probable cause(s)
©
If
the
equipment
is
unstable
because
it
is
located
upon a soft surface,
such as a carpet,
place
a
solid
material
(such
as
concrete
blocks,
bricks,
a
hard
board,
etc.)
beneath
the
speaker
systems.
©
Try
moving
the
turntable
farther
away
from
the
speaker
systems.
®
Try
placing
a
cushioning
material
(such
as
felt
or
commercially
available
audio
insulators)
beneath
the turntable.
Suggested
remedy
Unusual scratching noises
are heard.
Disc is old or scratched.
:
© Turn the treble tone control of the amplifier to
reduce the treble sound.
Dust in disc grooves.
¢
Use
a
disc
cleaner
to
remove
the
dust
from
the
disc grooves.
. Stylus needle is worn.
Dust is attached to stylus tip.
© If the noise is heard even when a new disc is
played, probably the stylus is worn. Replace it
with a new stylus.
Remove the dust by using a soft brush.
Technical
Specifications
m@ TURNTABLE SECTION
Type Automatic turntable
Drive method Direct drive
Motor Brushless-DC motor
Drive control method
Quartz-phase-locked control
Aluminum die-cast
Diameter 300 mm (12”)
33-1/3 rpm and 45 rpm
0.012% WRMS (*)
0.025% WRMS (JIS C5521)
0.035% weighted zero to peak
(IEC 98A weighted)
78 dB DIN-B (IEC 98A weighted)
56 dB DIN-A (IEC 98A unweighted)
Turntable platter
Turntable speeds
Wow and flutter
Rumble
Product Service
The unit should be serviced by qualified technicians only. No
service information is provided for customers. Your product is
designed and manufactured to ensure
maintenance. However, should your unit ever require service, a
nationwide system of factory servicenters and AUTHORIZED
INDEPENDENT SERVICENTERS is maintained to support your
product’s warranty.
@ TONEARM SECTION
Type Static-balanced, Linear tracking tonearm
Plug-in-connector type straight tonearm
Effective length 105 mm (4-1/8")
Tracking error angle Within +0.1°
Effective mass 9g (including cartridge)
Resonance frequency 12 Hz
(Compliance 12X10°°cm/dyne
Cartridge weight 6 g, stylus pressure 1.25 g)
Phono
cable
capacitance
120pF
@ GENERAL
Power supply
Power
consumption
Dimensions
(WXHXD)
AC 120V, 60 Hz
10 W
315X88X315 mm
(12-1/2”X3-1/2"12-1/2")
Weight 4.1 kg (9 Ib.)
* This rating refers to turntable assembly alone,
excluding effects of record, cartridge or
tonearm, but including platter. Measured by
obtaining signal from built-in frequency gene-
rator of motor assembly.
CAUTION
This equipment has been tested and found to comply with
a minimum of
(In U.S.A., consult MSC Authorized service center for detailed
instructions.)
the limits for a Class B computing device in accordance with
the specifications set forth in Subpart J of Part 15 of the FCC
Rules. If this equipment does cause interference to radio or
television reception which can be determined by turning the
equipment on and off, use the equipment in another location
and/or utilize an electrical outlet different from that used by
the receiver.
Panasonic Company Division of
Matsushita Electric Corporation of America
One Panasonic Way Secaucus,
New ersey 07094
Matsushita Electric of Canada Limited
5770 Ambler Drive, Mississauga,
Ontario L4W 2T3
Printed in Japan
Panasonic Hawaii, Inc.
91-238 Kauhi St., Ewa Beach
P.O. Box 774
Honolulu Hawaii 96808-0774
OW
Panasonic Sales Company,
Division of Matsushita Electric
of Puerto Rico, Inc.
Ave. 65 De Infanteria, KM 9.7
Victoria Industrial Park
Carolina, Puerto Rico 00630
SQX54002
S$0486N 1066