Technics SLQ 2 Service Manual

Page 1

Service Manual

OR DER NO. 807905-1563

Turntable System

SL-QZ

(XA), (XAL), (XG E), (E),
(XG), (XG F), (XG B)

SL-QZK

(KE), (KXG)

The model SL-Q2 (XA) is available in Asia, Latin America,
Middle East and Africa only.

* The model SL-QZ (XAL) is available in Australia only.

* The model SL-QZ (XGE) is available in United Kingdom only.

* The models SL-QZ (E) and SL-Q2K IKE) are available in

Scandinavia only.

* The models SL-QZ ()(G) and SL-QZ (KXG) are available in

European only.

I

* The model SL-Q2 (XGF) is available in France only.
* The model SL-Q2 (XGB) is available in Belgium only.

SPECIFICATIONS (Specifications are subject to change without notice.)

General
Power supply:
Power consumption:
Dimensions:

(W x H x D)
Weight:

Turntable section
Type:

Drive method:
Motor:
Turntable platter:

Turntable speeds:

Starting torque:

Build-up
characteristics:

Speed change due to
load torque:

Speed drift:

Wow and flutter:

~110-120/220-24OV, 50 or 60 Hz
7.5 W

43.0 x 13.0 x 37.5 cm '
(16-59/64"x5-7/64"x14-49/64")
6.9 kg (15.2 lb.)

Automatic turntable

Auto return

Auto stop

Direct drive

Brushless DC motor

Aluminum die-cast

Diameter 31.2 cm (12-9/32 inches)
33-1/3 rpm and 45 rpm

1 kg-cm (0.87 Ib-in)

0.9 s. from standstill to 33-1/3 rpm

0% within 0.7 kg-cm (0.61 lb-in)
Within i0.002%

0.012% WRMS"

0.025% WRMS (JlS C5521)
i0.035% peak (IEC 98A Weighted)

*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
generator of motor assembly.

Rumble:

Tonearm section
Type:

-56 dB (IEC 98A Unweighted)
-78 dB (IEC 98A Weighted)

Universal tonearm

Technics

Effective length:
Overhang:

Friction:

Effective mass:
Tracking error angle:

Offset angle:

Stylus pressure
adjustment range:

Applicable cartridge
weight range:

(with shellweight)

/

Headshell weight:

Cartridge sectiorI
Model No.:

Type:

Frequency response:
Output voltage:

Channel separation:
Channel balance:

Compliance (dynamic):

Stylus pressure:
Load impedance:
Weight:
Replacement stylus:

230mm (9-1/16")

15 mm (19/32)

Less than 7mg (lateral, vertical)

12 g (without cartridge)

Within 2°32 at the outer groove of
30 cm (12") record

Within 0°32' at the inner groove of
30 cm (12") record

22°

042.5 g

6-9.5 9

135-17 9 (including headshell)
3-6.5 g .
10.5-14 g (including headshell)
7.5 g

EPC-207C

Moving magnet

20 Hz to 25 kHz

3.2 mV at 1 kHz

5 cm/s., zero to peak lateral velocity
[9 mV at 1 kHz 10 cm/s. zero to
peak 45° velocity (DIN 45500)]
25 dB at 1 kHz

Within 2 dB at 1 kHz

10 x 106cm/dyne at 100 Hz
1.75 10.25 g (17.5 12.5 mN)

47 k9. to 100 kSZ

6.0 g (cartridge only)
EPS-207ED

Matsushita Electric Trading Co., Ltd.

PO. Box 288. Central Osaka Japan

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I CONTENTS

PARTS IDENTIFICATION ............................. 3 ADJUSTMENTS .................................. 11, 12
FEATURES ......................................... 3 REFERENCE VOLTAGE AND WAVEFORM

DISASSEMBLY PROCEDURE ......................... 4 AT EACH IC PIN AND TEST POINT .............. 12, 13
PARTS ARRANGEMENT DIAGRAM .................... 5 PRINTED CIRCUIT BOARD ........................ 14,15
HOW TO OPERATE .................................. 6 EXPLODED VIEWS .......................... 16, 17, 19, 20
SCHEMATIC DIAGRAM .............................. 7, 8 REPLACEMENT PARTS LIST (Mechanical) ............... 18
REPLACEMENT PARTS LIST (Electrical) ................ 9 BLOCK DIAGRAM ............................... 21, 22
TROUBLE SHOOTING ............................... 10

I PARTS IDENTIFICATION

45-rpm adaptor
Hinge

Balance weight

Headshell stand Stylus-pressure ring

T bl t Anti-skating control knob
urnta e ma

Arm rest

Arm clamp Cueing lever

Center spindle
Tonearm

Turntable platter

Locking nut

Turntable base
Head shell

Strobe-i lluminator

Stop button

Speed select buttons ON/OFF Switch

Fig. 1

I FEATURES

0 Front panel controls provide exceptional convenience O Pitch control with illuminated stroboscope

O Quartz-phase-Iocked direct drive plus full cycle Fre- 0 Smooth braking is achieved with the fully electronic
quency Generator and integral rotor-platter motor system, which also makes possible almost instantaneous

0 Precision aluminum diecase turntable base unique to speed change
Technics is used 0 Viscous-damped cueing

O "TNRC'" base material provides an acoustic shield O Anti-skating control
*"TNRC" ..... Technics Non-Resonance Compound 0 Hinged, detachable dust cover

0 Low-mass, low-friction gimbaI suspension tonearm 0 Automatic tonearm return