Sony ifs 20 k service manual

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IFS-20K

SERVICE MANUAL

AEP Model
E Model
U8 Model

TMR-IF10

IFS-20K is composed of the following models.

As for the service manual it is issued for each

component model, then, please refer to it.

COMPONENT MODEL NAME FOR IFS-20K.

Cordless Speakers IFS-20
Transmitter TMR-IFI 0
Emitting Unit iFP»1o

SPECIFICATIONS

General
infrared wavelength 850 nm
Modulation Frequency modulation
Carrier trequency Right 2.8 MHz
Left 23 MHZ

Speaker System (IFS-20)
Effective range Approx, 7 rn (23 It. when using the
TMR-IFIOK)
Power output 1.2 W+L2 W
Power requirements DC 6 V, tour R6 (size AA) batteries
Battery life (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)
Dimensions Approx. 127 x 150x 132 mm (wlh/d)
(5 x 6 x 5I4 inches)
incl. projecting pans and controls
Weight Approx, 470 g (16.6 oz.)
excl. batteries and other accessories

Modulator (T MR-IFIO)

Power requirements 120 V AC. 60 Hz (US model)
220 V AC, 50 Hz (AEP model)
310-120 V or 220-240 V AC adjustable,
50 HUSO Hz (E model)

Audio input A (phono Jacks), 8 (stereo minijack)

Emitter output F connector x 2

Dimensions Approx, 90 x 73 x140 mm (w/h/d)
(35/9 x 27/3 x 55/8 inches)

Weight Approx. 740 g (2&1 oz.)

Emitter (IFP-10)

Connection cord Coaxial cable with F connector;
length: approx. 2 m

Dimensions Approx. 90 x 230 X140 mm (wlhld)
(35/9 x 9/a x 55/3 inches)

Weight Approx, 160 g (5.6 oz.)

Supplied accessories
Screws (4 [or tFS-20, 2 (or TMR-lFtOK)
Stands (2)
Straps (2)
Connecting cord (stereo miniplugt-phono
P'UQ X 2) (1)
Plug adaptor (stereo minijack~stereo phone
mm) (1)

'The sound output level at 05 m (193/4 inches) away from the
speaker system.

Design and specifications subject to change without notice.

CURDLESS STEREO SPEAKER SYSTEM KIT

ONY®

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IFS-20K

PARTS LIST
ACCESSORIES & PACKING MATERIAL

3-753-059-11 MANUAL. INSTRUCTION (ENGLISH. FRENCH. SPANISH) . . . (E. AEP)
3-753-059-21 MANUAL. INSTRUCTION (ENGLISH) I . . (US)
345305941 MANUAL. INSTRUCTION (GERMAN, PORTUGUESE. ITALIAN) . . . (AEP)

English

. 91A05344

Sony Corporatlon Printed In Japan

9-956-250-11 General Audio Group © 1991. 1

__2_ Published by Customer Relations and Service Group