Sony icf s 21 service manual

Page 1

ICF-SZI

SERVICE MANUAL

AEP Model
E Model

Frequency range
Antennas

Speaker

Outpul

Power output
Power requirements
Battery hie

Dimensions

Weight
Supplied accessories

SPECIFICATIONS

FM SIS-107.5 MHZ
AM 53l 71.602 kHz
FM: Earphone cord antenna
AM: Built-in lerrite bar antenna
Approx. 36 cm (i /2 inches) dia.
Earphone jack (mini-jack)
70 mW (at 10% harmonic distortion)
3 V 00 two R03 (size AAA) batteries
Approx 54 hours oi listening with the
supplied earphone and 17 hours at listening
with the built-in speaker lor 4 hours a day
at a normal volume. using Sony UM4(NU)
bananas
Approx, 55 x 91 x165 mm (w/h/d)

(2V. x 85/, x 2/:.2 inches)
incl. projecting parts and controls
Approx. 75 g (3 oz) incl. batteries
Carrying case (1)
Earphone {1)

Desrgn and specifications subject to change without notice,

Note on ceramic filter (CF2, 3) replacement

Pracaution for removing ceramic filters (CFZ, 3) : Replace
both ceramic filters (10.7 MHz) CFZ and CF3 when repairing
one of them

Due to this. Part No. 1667-09761 consists of one pair of
CF2 (3 pin) and CFS (2 pin).

FM/AM RECEIVER
SONY;

Page 2

SECTION 1 This section is extracted from
GENERAL instruction manual.

Location of Controls

(I) VOL (volume) control

(:5) POWER/AUTO OFF button

(E TUNE (tuning) control

Dial scale

(5| Band selector

E] Speaker

Battery compartment (rear)

TUNE indicator

E) @l (1 (earphone/speaker) selector
® (earphone) jack

Battery installation E]

Insert two R03 (size AAA) batteries with correct
polarity. When the sound becomes weak or
distorted, replace all the batteries with new ones.

Notes on batteries

-To avoid damage from possible battery leakage,
remove the batteries when the unit is not to be
used for a long time.

. Concerning battery life, see Specifications".

Radio Operation

Press POWER/AUTO OFF to turn on the

power.

Select ® (earphone) or air (speaker).

® (earphone): When the earphone is not
connected, sound comes out from the
speaker. When the earphone is connected.
sound comes out only from the earphone.

a] (speaker): Whether the earphone is connected
or not, sound always comes out from the
speaker. Tolisten to the FM programs, make
sure to connect the earphone since the
earphone cord serves as the FM antenna.

Select FM or AM.

Adjust VOL (volume).

Turn the TUNE control.

Tune indicator lights up when a signal is

received.

.n

M

bu

at

To turn off the radio, press POWER/AUTO OFF
again.

When the power goes off automatically

The radio will go all automatically after about
90 minutes to prevent unnecessary wear on the
batteries.

To continue listening to the radio, press
POWER/AUTO OFF again.

i For Better Reception
PM El

Extend the earphone cord to improve FM reception,
since the cord serves as the FM antenna.

AM E

Rotate the unit horizontally tor optimum reception.