Technics SL-D2 Service Manual

ORDER NO. SD7905-1561
Service
Manual
Turntable System
oL-D2
(XA), (XAL), (XGE), (E)
(XG), (XGF), (XGB)
oL- D2
(XAL), (E), (XG), (XA)
* The models SL-D2 (XA) and SL-D2K (XA) are available
in Asia, Latin America, Middle East and Africa only.
* The Models SL-D2 (XAL) and SL-D2K (XAL) are
available in Australia only.
* The model SL-D2 (XGE) is available in United
Kingdom only.
* The models SL-D2 (E) and SL-D2K (E) are available in
Scandinavia and European only.
* The models SL-D2 (XG) and SL-D2K (XG) are available
in European only.
* The model SL-D2 (XGF) is available in France only.
* The model SL-D2 (XGB) is available in Belgium only.
* SL-D2 is of silver finish.
* SL-D2K is of black finish.
SPECIFICATIONS (Specifications subject to change without notice.)
General Overhang: 15 mm (19/32"')
Power supply: ~110-120/220-240V, 50 or Friction: Less than 7mq (lateral, vertical)
60 Hz Effective mass: 12g (without cartridge)
Power consumption: 4,5W Tracking error angle: Within 2°32’ at the outer groove
Dimensions: A3.0.% 13.0-%-37:6-cm of 30cm (12"') record
(WxHxD) (16-59/64" x 5-7/64"' x Within es at the inner groove
14-40/64’’) of 30cm (12'') record
Weight: 6.9 kg (15.2 Ib.) Offset angle: 22°
Turntable section Stylus pressure
Type: Automatic turntable adjustment range: 9 O-—2.5g
Auto return Applicable cartridge
Auto stop weight range: 6-9.5g
Drive method: Direct drive 13.5-—17 g (including headshell)
Motor: Brushless DC motor (with shellweight): 3—6.5 9
Drive control method: B8-FG servo control 10.5—14 g {including headsfel!)
Turntable platter: Aluminum die-cast, 31.2cem Headshell weight: 7.59
(12-9/32"') Cartridge section
Turntable speeds: 33-1/3 rom and 45 rom Model No. EPC-270C
Pitch control: 10% adjustment range Type: Moving magnet
Wow and flutter. 0.014% WRMS* Frequency response: 20 Hz to 25 kHz
0.037 WAMS«(J1S°C5521) Output voltage: 3.2 mV at 1 kHz
£0.042% peak 5 cm/s. zero to peak lateral
(LEC 98A Weighted) velocity
“The rating refers to turntable assembly alone, ex- Output voltage: [9 mV at 1 kHz 10 cm/s. zen to
cluding efects of record, cartridge or tonearm, but peak 45° velocity (DIN 45 500) ]
including platter. Measured by obtaining signal from Channel separation: 25 dB at 1 kHz
frequency generator attached to motor assembly. Channel balance: Within 2 dB at 1 kHz
Rumble: —53dB(IEC98A Unweighted) Compliance (dynamic): 10x107° cm/dyne at 100 Ha
—75dB(ICE 98A weighted) Stylus pressure: 1.75 40.259 (17.54+2.5mN)
Tonearm section Load impedance: A7 kQ2 to 100 kQ2
Type: Universal tonearm Weight: 6.0 g (cartridge only)
Effective length: 230 mm (9-1/16") Replacement stylus: = EPS-2/0SD
“4
Matsushita
Electric
Trading
Co.,
Ltd.
Technics
P.O.
Box
288,
Central
(saaka
Japan

Technics SL-D2 Specifications

General

Drive Method	Direct Drive
Motor	Brushless DC motor
Speeds	33 1/3 and 45 RPM
Wow and Flutter	0.03% WRMS
Signal to Noise Ratio	75 dB
Effective Length	230 mm
Overhang	15 mm
Rumble	-70dB (IEC 98A weighted)
Tonearm Type	Static balance S-shaped tonearm

Summary

SPECIFICATIONS

PARTS IDENTIFICATIONS

FEATURES

HOW TO OPERATE

How to stop play

Procedure for stopping the turntable and returning the tonearm automatically.

How to suspend play

Procedure for lifting the stylus from the record.

Lubrication

Guidance on applying oil for maintenance.

DISASSEMBLY PROCEDURE

How to remove the bottom plate

Steps to detach the bottom cover of the unit.

How to remove the radiating fin

Steps to remove the radiating fin components.

Removal of drive P.C.B. and automatic mechanism ass'y

Procedure for removing the drive PCB and auto mechanism.

Removal of stater coil

Steps to remove the stater coil and its associated PCB.

PARTS ARRANGEMENT DIAGRAM

ADJUSTMENTS

Adjustment of the arm-lift height

Procedure for setting the distance between stylus tip and record.

Speed adjustment (with pitch-control knob)

How to adjust turntable speed using strobe dots and pitch control.

Adjustment for automatic return position

Adjusting the auto-return function timing.

BLOCK DIAGRAM

SCHEMATIC DIAGRAM

PRINTED CIRCUIT BOARD

REPLACEMENT PARTS LIST

ADJUSTMENT PROCEDURE

Adjustment of Speed (See Fig. 12)

Detailed steps for speed adjustment when fine control is insufficient.

EXPLODED VIEWS

REPLACEMENT PARTS LIST

MODIFICATIONS-1

SPECIFICATIONS (Page 1)

Details of cartridge section modifications compared to original.

MODIFICATIONS-2

REPLACEMENT PARTS LIST (Page 19)

Updated part numbers for cabinet, tone arm, and accessories based on modifications.

Technical Information

Subjects: Moving trouble of Tone Arm.

Information on troubleshooting tone arm moving problems.

Contents: If you get the moving trouble of Tone Arm...

Details on identifying and resolving tone arm moving issues.

Remedy Method (1)

Remedy Method (2)