Technics SL-220 - Service Manual

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ORDER

NO.

$D7803-1348

Service

Manual

Frequency

Generator

Servo

Automatic

Turntable

System

(X),

(XAL),

(E)

(XGE),

(XG),

(XGF)

2 y

(E),

(X),

(XAL)

(XG),

(XGF)

The

model

SL-220(X)

available

Asia,

Latin

America,

Middle

East

and

Africa

only.

The

model

SL-220(XAL)

available

Australia

only.

«The

mode!

SL-220(E)

available

Scandinevie

only.

The

model

SL-220(XGE)

ble

England

only.

The

mode!

SL-220(XG)

available

European

only.

The

model

SL-220(

XGF)

available

France

only.

The

model

SL-221(E)

available

Scandinavia

only.

The

model

SL-221(X)

available

Asia,

Latin

America,

Middle

East

and

Africa

only.

The

model

SL-221(XAL)

available

Australia

only.

The

model

SL-221(XG)

available

European

only.

The

model

SL-221(XGF)

available

France

obly.

$L-220

silver

finish:

$L-221

black

finish.

Specifications

(Specifications

are

subject

change

without

notice

for

further

improvement.)

General

Overhang:

(19/32")

Power

supply:

~110-120/220-240V,

Friction:

Within

(horizontal

and

Power

consumption:

vertically)

Dimensions:

43,0

12.6

37.5cm

Effective

mass:

(without

cartridge’

(WxHxD)

(16-59/64

4-31/32

14-49/64

inches)

Tracking

error

angle:

Within

2°32’

(at

the

outer

groove

Weight:

4.5

(9.9

Ib.)

(12"')

record)

Within

0°32'

(at

the

inver

groove

Turntable

section

(12")

record)

Type:

Frequency

Generator

Servo

Automatic

Offset

angle:

22°

Turntable

System

(Auto-return,

Adjustable

stylus

(stylus

pressure

direct

Auto-stop)

Pressure

range:

reading

type)

Drive

method:

Belt

drive

Cartridge

weight

range:

5.5

8.59

(14.5

including

Motor:

Frequency

Generator

Servo

headshell)

motor

Headshell

weight:

Turutable

platter:

Aluminum

die-cast,

30,4

(12)

Turntable

speeds:

33-1/3

and

rpm

Cartridge

section

(for

the

SL-220A)

Pitch

controls:

Individual

adjustment

controls,

Type:

Moving

magnetic

steres

cartridge

adjustment

range

Frequency

response:

25,000

Wow

and

flutter:

0.045%

WRMS

(JIS

C5521)

Output

voltage:

2.5

MV,

KHz,

cm/s.

zero

+0.06%

peak

(1EC

98A

Weighted)

peak

lateral

velocity

(22

mV,

1kHz,

Rumble:

—70

(IEC

Weighted)

cm/sec.

zero

peak45°

velocity)

Channel

separation:

KHz

Tonearm

section

Channel

balance:

Within

kHz

Type:

Universal

tubular

arm,

staticbalanced

Load

impedance:

kD.

100

type

Stylus

pressure:

1.7540.259

Effective

length:

230

(9-1/16'’)

Replacement

stylus:

EPS-270ED

Matsushita

Electric

Trading

Co.,

Ltd.

Technics

PO.

Box

288,

Cental

Osaka

Japan

Other manuals for Technics SL-220

Operating Instructions21 pages

Need help?

Do you have a question about the Technics SL-220 and is the answer not in the manual?

Technics SL-220 Specifications

General

Drive System	Belt Drive
Speeds	33 1/3, 45 rpm
Wow and Flutter	0.045% WRMS
Dimensions	430 x 130 x 375 mm
Type	Semi-automatic
Motor	DC motor
Effective Length	230 mm
Overhang	15 mm
Platter	Aluminum Die-cast
Tonearm Type	Static balanced tubular arm
Cartridge Weight Range	6g

Summary

Specifications

General Specifications

Provides basic electrical, physical dimensions, and weight details.

Turntable Section Specifications

Details the platter, motor, drive method, and speed control.

Tonearm Section Specifications

Outlines the tonearm type, effective length, and tracking parameters.

Cartridge Section Specifications

Lists the frequency response, output voltage, and channel separation of the cartridge.

Parts Identification

Component Labeling Diagram

Diagram labeling all major components of the turntable system.

Key Product Features

Performance and Operation Features

Highlights servo control, tonearm bearings, speed adjustments, cueing, and automatic return.

User Interface and Design Aspects

Details front-panel controls, strobe illumination, anti-skating, and the detachable dust cover.

Adjustments

Speed Adjustment Procedure

Instructions for adjusting turntable speed using pitch control knobs and strobe dots.

Automatic Return Adjustment

Guides on setting the auto-return position for tonearm return timing.

Tonearm Lift Height Adjustment

Procedure for adjusting the arm lift height for proper stylus setting.

Check Points

Troubleshooting Flowchart Part A

Diagnostic steps for initial checks when the turntable fails to rotate.

Troubleshooting Flowchart Part B

Diagnostic steps for abnormal rotation and speed issues.

Schematic Diagram

Electrical Circuit Schematic

Detailed diagram of the turntable's electronic circuitry.

Schematic Notes and References

Explanations for component symbols and part number references.

Circuit Board Wiring View

PCB Wiring Layout Diagram

Visual guide to the wiring connections on the main circuit board.

Trouble Shooting Guide

Turntable Speed and Rotation Problems

Addresses issues like no rotation, slow speed, fast speed, and inconsistent speed.

Noise and Operational Faults

Guides on resolving noise issues and operational problems like single-speed operation.

Exploded View

Component Breakdown Diagram

Illustrates all parts of the turntable in a disassembled state.

Replacement Parts List

Cabinet and Chassis Parts

Lists part numbers for external cabinets, chassis, and structural components.

Tonearm, Cartridge, and Switch Parts

Details part numbers for the tonearm, cartridge, and various switches.

Packing and Accessory Parts

Lists part numbers for packing materials and included accessories.

Accessories and Packing Details

Accessory Components List

Lists specific accessory items such as instruction books, adapters, and gauges.

Packing Materials List

Details the various pads, boxes, and bags used for product packaging.

Packing Illustration

Product Packaging Diagram

Visual representation of how the turntable is packed for shipment.

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