Sony icf m 703 service manual

Page 1

ICE-M703

A E P Model
E Mode/

SERVICE MANUAL

Discard lCF-M703 Service Manual
(No. 9-956-452-11) previously issuedz.
This Service Manual contain it.

SPECIFICATIONS

Frequency range FM: 87.5 - roe MHz
(0.05 MHz scan step)
AM:531 - 1602 kHz
'The Ilequency display is raised or
lowered by steps or 0.! MHz.
(Example: Frequency seas MN: is
displayed a. 59.00 MHz.)
Intermediate irequency

FM: 10.7 MHZ
AM: 450 kHz
Antenna FM: Earphone cord antenna
AM: BuiltAin lerrite bar antenna
Output Earphone tack 2.5 mm, load

impedance 16 ohms)

Power output 80 mW (at 10% harmonic
distortion)

Power requirements
3 V DC. two R03 (size AAA)
batteries

Battery lile Using Sony batteries UM~4 (NU)

FM wrth speaker approx. 12 hours

with earphone approx. 17 hours

AM wtlh speaker approx. 15 hours

with earphone approx. 23 hours

Dimensions Approx. 59 it too x 18.3 mm
(wlhld) incl. projecting parts and
controls

Weight Approx. 95 9 incl. batteries

Supplied accessories
Earphone (1), Ear pad (I).
Carrying case (1)

Accessories not supplied
Earphone ME~L54H. mun-£141

Design and specifications are subject to change
without notice.

Note
This appliance contorms with EEC Directive
87/3081EEC regarding inlerlerence suppression.

Your dealermay not handle the above listed
accessories. Please ask the dealer tor detailed
intormaiion.

F EATU RES

FMIAM PLL (Phase Locked Loop) synthesized
receiver.

- UP to II stations (7 (or each band) can be stored
tor button~lwch Inning (memory preset tuning).

0 The tuned lroquoney to digitally displayed to make
searching tor the desired station easier. When the
radio Is oil. the current time Is displayed.

I Beep sound notifies you at the preset time (timer
and alarm tunction).

0 Power goes on automatically in about 90 minutes
(power saving leatures).

NOTES ON CHIP COMPONENT REPLACEMENT
I Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor may be

damaged by heat.

FM/AM PLL SYNTHESIZEI] RECEIVER

SONY;

Page 2

ICF-M703

SECTION 1
GENERAL

Location of Controls

This section is extracted from
instruction manual.

Front Panel

[1] MEMORY PRESET +/- button:

[2| ® (earphone) luck
The earphone cord serves as the FM antenna.

[5] Battery compartment

[1| Q! (I (aerphonelspeaker) selector
® : When the earphone Is not connected, the sound cornea out
lrom the speaker. When the earphone le connected. the sound comes
out only [tom the earphone.
(I : Whether the earphone I: connected or not. the sound always
come: out lrorn the speaker. To Iletenlrtg to the FM programa. make
aure to connect the earphone elrtce the earphone cord serves as
the FM antenna.

IE VOLUME control

[El BAND selector

AUTO OFF/POWER button

El Display window

[§_l.Al.AFtM button

[13 TIMER button

El Speaker

Rear panel
Lil TUNE (turtlngyTtME SET +I- button:
It; ENTER/CLOCK button

Dleptay window
[15] Tlrner lndloator

Appears when you eet the ttmer.
Battery Indicator

Flashes when the batterlee become weak.
53 Band lndlcalot
Ifl Frequency |ndtcator

Appeare whlle the radlo Is on.
IE Alarm lrtdlcator

Appears when you set the alarm.
PRESET and preset number Indlcalors
Tlme Indlcator

Appears when the redto Is all.

Earphone
a To attach the supptled ear pad