Technics SL 221 Service Manual

Page 1

ORDER NO. 507803-1348

Service Manual

Frequency Generator Servo Automatic Turntable System

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

The model SL-220lXAL) is available in Australia only.
The model SL-ZZOlEl is available in Scandinavia only.
The model SL-220lXGEl is available in England only.

The model SL-220lXG) is available in European only.

The model SL-220lXGF) is available in France only.

The model SL-22HE) is available in Scandinavia only.
The model SL-221lX) is available in Asia, Latin America,
Middle East and Alrica only.

The model SL-221 lXAL) is available in Australia only.
The model SL-ZZHXGl is available in European only.
The model SL-22lleF) is available in France obly.
5L-220 is of silver finish.

SL-221 is ol black finish.

SL-220
SL-221

MLWAUJB
(XGE)(XG)(XGF)

EiwlfiAU
MGLMGH

Specifications

General
Power supply:
Power consumption: 3W

Dimensions: 43.0 x 12.6 x 37.5 cm
(W x H x D) (16-59/64 X 4-31/32 x 1449/64 inches)
Weight: 4.5 kg (9.9 lb.)

Turntable section

Type: Frequency Generator Servo Automatic
Turntable System (Auto-return,
Autostop)

Drive method: Belt drive

Motor: Frequency Generator Servo DC

motor
Turutable platter:
Turntable speeds:
Pitch controls:

331/3 and 45 rpm

adjustment range

Wow and flutter: 0.045% WRMS (JIS C5521)

10.06% peak (lEC 98A Weighted)

Rumble: -70dB EC 98 Weighted)
Tonearm section
Type:

type

Effective length: 230 mm (971/1 6")

~l iO»lZO/220~24OV, 50 or 60 Hz

Aluminum dieAcast, 30.4 cm (12")

Individual adjustment controls, 6%

Universal tubular arm, staticbalanced

(Specifications are subject to change without notice for further improvement.)

Overhang:
Friction:

Effective mass:

Tracking error angle:

Offset angle:

Adjustable stylus

pressure range:
Cartridge weight range: 5.5 to 8.5 g (14.5 ~ 17 5 9 including
Haadshall weight: 9 g

Cartridge section (for the SL-ZZOA)

Type:

Frequency response:

Output voltage:

Channel separation:
Channel balance:
Load impedance:

Stylus pressure:

Replacement stylus:

15 mm (lg/32")

Within 7 mg (horizontally and
vertically)

13 g (withom cartridge,

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

Within 0"32' lat the imer groove of
30 cm (12") record)

22°

0 to 3 g (stylus pressura direct
reading type)

headshel l)

Moving magnetic stare: cartridge

20 to 25,000 Hz

2.5 mV, 1 kHz. 5 cm/e, c. zero to
peak lateral velocity (2 2 mV, lkHz,
5 cm/sec. zero to peak45° veloci tv)
25 dB at 1 kHz

Within 2 dB at 1 kHz

47 k0 to 100 kQ

1.75 t 0.25 g

EPS-270ED

Technics

Matsushita Electric Trad ing 00., Ltd.
PO. Box 288. Cents! Osaka Japan