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Troubleshooting Guide; Technical Specifications - Technics SL-J110R Operating Instructions Manual

Dc servo automatic turntable system

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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 or
a 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
Probable cause(s)
Suggested remedy
The platter doesn't turn when
the start/stop switch is
pressed.
The platter's belt has slipped off.
• Re-attach the belt.
A loud and unusual sound
("howling") is heard when the
volume level Is Increased.
The location of the turntable and speaker systems
is unstable.
• 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.
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 or on the stylus.
• Use a disc cleaner to remove the dust from the disc
grooves. Use a soft brush to remove dust from the
stylus.
Stylus needle is worn.
• If the noise is heard even when a new disc is
played, probably the stylus is worn. Replace it with
a new stylus.
Dust is attached to stylus tip.
• Use a soft brush to remove the dust from the stylus.
Technical Specifications
■ TURNTABLE SECTION
Type
Automatic turntable
Drive method
(
Belt drive
Motor
DC motor
Drive control method
DC servo control
Turntable platter
Aluminum die-cast
Diameter 300 mm (12")
Turntable speeds
33-1/3 rpm and 45 rpm
Wow and flutter
0,045% WRMS
±0.06% weighted zero to peak
(IEC 98A weighted)
Rumble
70 dB DIN-B (IEC 98A weighted)
■ TONEARM SECTION
Type
Static-balanced, straight tonearm
Plug-in-connector cartridge system
Overhang
25 mm (1")
Effective length
200 mm (7-7/8")
Tracking error angle
Within 3°18' at inner
groove of 30 cm (12")disc
Within 0°36' at outer groove of
30 cm (12") disc
Applicable cartridge weight
6 g
CARTRIDGE SECTION
Type
Moving magnet stereo cartridge
Magnet circuit
Ail laminated core
Frequency response
10 H
2
—30 kHz
Output voltage
2.5 mV at 1 kHz,
5 cm/s. zero to peak lateral velocity
(7 mV at 1 kHz, 10 cm/s.zero to peak, 45°
velocity DIN 45 500)
Channel separation
22 dB at 1 kHz
Channel balance
Within 2 dB at 1 kHz
Recommended load Impedance
47 kfi—100 kfi
Compliance (dynamic)
Stylus pressure range
Weight
Replacement stylus
12 x 10'® cm/dyne
(100 Hz)
1.25 ±0,25 g
6 g (cartridge only)
EPS-24CS
■ GENERAL
Power supply
AC 240V, 50/60 Hz
Power consumption
3 W
Dimensions (WxHxD)
360 x 83 x 320 mm
(14-1/4" x 3-1/4" x 12-1/2")
When dust cover is open.
360 x 350 x 320 mm
(14-1/4" x 13-25/32" x 12-1/2")
Weight
2.5 kg (5.6 lb)
Note: Specifications subject to change without notice. Weight and dimensions shown are approximate.
Matsushita Electric Industrial Co., Ltd.
®®
Central P.O. Box 288, Osaka 530*91, Japan
Printed in Japan
SQX54665
S0288L1048

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