Technics SL-D212

ORDER NO. SD81082022C4
ervice Manual
* The colors of this model included silver and black.
* The black type model is provided with (K) in the
Service Manual.
Turntable System
SL- D212
[PA], [
SL- D212 K)
[PA], [PE], [PC]
Areas
* [PA] is available in far East PX.
* [PE] is available in European Military.
* [PC] is available in European Audio Club.
Please
use
this
manual
together
with
the
service
manual
for
Model
No.
SL-D212/SL-D212
(K),
Order
No.
$D81071976C8.
Specifications
@ General
Power supply:
Power consumption:
Dimensions:
(WxHxD)
Weight:
@ Turntable section
Type:
Drive method:
Motor:
Drive control method:
Turntable platter
Turntable speeds:
Pitch control:
Wow and flutter:
Specifications are subject to change without notice for further improvement.
Weight and dimensions shown approximate.
~110-—120/220~-240V, 50 or 60 Hz
7W
4310.6 x37.5cm
(16-15/16" x 4-7/32" x 14-3/4"')
Maximum height when top
(dust cover) is open.
43x37x42cm
16-15/16" x 14-9/16"’ x
16-17/32”"
5 kg (11 Ib.)
Automatic turntable
Auto return
Auto stop
Manual play
Direct drive
Brushless DC motor
F-G servo control
Aluminum die-cast
Diameter 31.2 cm (12-9/32’’)
33-1/3 rpm and 45 rpm
10% adjustment range
0.012% WRMS*
0.025% WRMS (JIS C5521)
+0.035% 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:
Technics
— 56 dB (IEC 98A Unweighted)
—78 dB (IEC 98A Weighted)
@ Tonearm section
Type:
Effective length:
Overhang:
Tracking error angle:
Offset angle:
Friction:
Effective mass:
Stylus pressure
adjustment range:
Headshell weight:
Phono cable
capacitance:
Universal tonearm
‘*S”' shaped tubular arm
Static balanced type
230 mm (9-1/16’’)
15mm (19/32"')
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°
Less than 7 mg (lateral, vertical)
11 g (without cartridge)
0-2.5g
89
135 pF
@ Cartridge section
Type:
Frequency response:
Output voltage:
Channel separation:
Channel balance:
Load impedance:
Stylus pressure:
Replacement stylus:
Panasonic Tokyo
Matsushita Electric Industrial Co., Ltd.
1-2, 1-chome, Shiba-koen, Minato-ku, Tokyo 105 Japan
Moving magnet stereo cartridge
20 Hz to 25 kHz
2.5mV 1kHz,
5 cm/s. zero to peak lateral
velocity
(7 mV 1kHz,10 cm/s. zero to
peak 45° velocity [DIN 45 500))
22 dB 1 kHz
Within 2 dB at 1 kHz
47 kQ} to 100 kD
1.75+0.25 g (17.5+2.5mN)
EPS-74STSD (ATN71)
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan

Technics SL-D212 Specifications

General

Speed	33 1/3, 45 RPM
Drive System	Direct Drive
Turntable Platter	Aluminum Die-cast
Wow and Flutter	0.025% WRMS
Effective Length	230 mm
Overhang	15 mm
Signal-to-Noise Ratio	78 dB
Power Requirements	AC 120V, 60Hz
Motor	DC Motor
Rumble	-78dB (DIN-B)
Tonearm Type	S-shaped Tonearm
Cartridge Weight Range	6g
Output Voltage	2.5mV

Summary

Specifications

General Specifications

Describes power supply, dimensions, and weight of the turntable.

Turntable Section Details

Covers drive method, motor, platter, speeds, pitch control, and rumble.

Tonearm Section Details

Lists tonearm type, effective length, overhang, error angles, and mass.

Cartridge Section Details

Details cartridge type, frequency response, output voltage, and channel separation.

Replacement Parts List

Capacitors

Lists capacitor part numbers and their electrical specifications.

Cabinet and Chassis Parts

Lists parts for the unit's exterior housing and internal structural components.

Tonearm Parts

Lists specific components related to the tonearm assembly.

Screws and Nuts

Lists various screws and nuts used in the assembly and repair.

Accessories and Packing Parts

Lists included accessories and components related to product packaging.

Location of Controls

Top Surface Controls

Identifies controls and indicators on the turntable's top surface.

Internal Component Locations

Identifies the locations of internal PCBs and key components.

Disassembly Instructions

Removing Bottom Board and Mechanism Plate

Details steps to detach the bottom board and automatic mechanism.

Removing Stator Frame

Details steps for removing the stator frame assembly.

Removing Drive Circuit P.C.B.

Details steps to detach the drive circuit board.

Removing Tonearm and Lift Base Plate

Details steps for removing the tonearm and lift base plate.

Maintenance and Replacement Procedures

Hall Element Replacement

Details correct orientation for Hall element replacement.

Cartridge Installation

Guides user on connecting wires and mounting a new cartridge.

Stylus Replacement

Explains how to remove and install a new stylus assembly.

Measurements and Adjustments

Arm-Lift Height Adjustment

Adjusts stylus tip to record surface distance.

Automatic Return Position Adjustment

Sets the auto-return trigger point.

Overhang Adjustment

Sets the correct cartridge overhang to 15mm.

Rotational Speed Calibration

Adjusts 45 and 33-1/3 RPM speeds using VR202/VR203.

Block Diagram

Turntable Drive Circuit Block

Illustrates the main drive circuit components and connections.

Power Source Circuit Block

Shows the power supply and related components.

Circuit Board and Wiring Diagrams

Turntable Drive Circuit Wiring

Shows detailed wiring for the turntable drive section.

Power Source Circuit Wiring

Shows detailed wiring for the power supply section.

Stator and Control Circuit Wiring

Shows wiring for stator, FG sensor, and control circuits.

Schematic Diagram and References

IC and Transistor Terminal Guide

Provides pinouts and terminal details for ICs and transistors.

Voltage and Waveform References

Lists reference voltages and waveforms for IC terminals.

Electrical Replacement Parts List

Integrated Circuits and Transistors

Lists ICs and transistors used in the unit.

Diodes, Resistors, and Switches

Lists diodes, variable resistors, and switches.

Fuses and Power Transformer

Lists fuses for protection and the power transformer.

Exploded Views - Cabinet & Chassis

Chassis and Base Assembly

Shows assembly of chassis, base, and motor components with reference numbers.

Turntable and Platter Assembly

Shows assembly of the turntable and platter components.

Exploded Views and Packings

Automatic Mechanism Parts

Lists parts for the automatic mechanism assembly.

Packing Components

Details components included in product packaging.