Sony ifs 20 service manual

Page 1

AEP Model
E Model
US Model

SPECIFICATIONS
lnirared wavelength Dimensions Approx. 127 x 150 x 132 mm (wlh/d)
850 nm (5 x 6 x Sl Inches)
Modulation Frequency modulation incl. projecting parts and controls
Carrier liequency Weight Approx. 470 g (16.6 0L)
Right 25 MHz excl. batteries and other accessories
Left 2.3 MHz Supplied accessories
Ellective range up to 7 m (22.9 it. when using the Screws (4) Stands (2) Straps (2)
TMR-leK)
up to 8 m (19.7 it when using the The sound output level at 05 m (19% inches) away
TMvaFioK) lrorn the speaker system
Power output 1.2 W+ 1.2 W
Power requirements Design and specifications subject to change without
DC 6 V, tour R6 (size AA) batteries notice.

Battery lite (at 60 dB SPL' sound output)
Approx. 50 hours with Sony New
Super.batteries SUM-3 (NS)
Approx 100 hours with Sony
alkaline batteries AM3 (N)

The IFS-20 is a cordless speaker system with a - An optical transmission system using infrared
built-in amplilier, which employs infrared rays. rays. which is generally not susceptible to
You can enjoy music by simply connecting an problems such as external noise, produces an
infrared transmitter such as Sony TMFt-IFtOK excellent sound quality.

(sold separately) to a television or other AV - Power saving lealure-power is turned on
equipment through either a line output jack or a automatically only when an audio signal
headphones jack. modulated to inlrared rays is received-

This cordless speaker system can be set almost prevents unnecessary battery discharge.

anywhere by using the clip, and truly add to
your listening pleasure

Since this unit uses infrared rays, it it is placed too far lron'I the transmitter, hissing noise increases,
and if the infrared rays are obstructed, the sound will be interrupted and hissing may be heard. This
is a characteristic of infrared rays and does not mean that the unit is defective.

CORDLESS STEREfl SPEAKER SYSTEM
SONY.)

Page 2

IFS-20

SECTION 1
GENERAL

Pans Iden Icahn Insal ng Batteries

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