Sony icf a 7 l service manual

Page 1

SERVICE MANUAL

RADIO ONIOFF button ---'...'eo
REPEAT ALARM/LIGHT button
Press to stop the alarm sound momentarily
or to light up the time display.

Clock hands ' /
Time displayfll

Speaker -->

DO IN 3Viack --->

PHOTO: ICF-A7 (BLACK TYPE)

SPECIFICATIONS

FM: 87.6 -107.5 MHz
AM: 531 » 1,602 kHz llCF-A7)
LW: t53-27QkHz(lCF-A7L)

Frequency range

Antenna FM: FM wire antenna

AM,LW. Built-In ferrite bar antenna
Speaker Approx. 5.7 cm (2/1 inches) dia. 89
Power output 100 mW (at 10% harmonic distortion)

Power requirement Radio: 00 3 v, Two R6 (size AA) batteries
DO IN 3 v lack: optional AC power adaptor can be connected
to AC outlet.

Clock: 001.5 V. One R6 (size AAl battery

Using Sony battery SUM-3 (NS)

Radio: Approx. 35 hours

Clock Approx. 1 year

RADIO AUTO OFF lunctton

More than 30 minutes later

Battery life

Dimensions Approx. 94 x 97 x as mm (wlh/d)
tax/t x 3m x 3']: inches)
incl. projecting parts and controls
weight AppfOX- 3909033 03

incl. batteries
Optional accessory AC power adaptor Aoon'

Design and specifications subject to change without notice.

FEATURES

- Easy-to-read analogue time display.

0 Easy-to-operate alarm setting. Turn the alarm setting rlng.
- Choice of awakening to radio or buzzer alarm.

0 Repeat alarm function.

- Auto~otf function to prevent battery drain.

ALARM b t
AEP Model
TIME SET knob ICF~A 7
ma. scale French Model
[CF-A 7L

ALARM setting ring
Turn to set the time for alarm.

TUNING control

BAND selector

VOLUME control

. Battery compartment (bottom)
_ ALARM selector (in the battery compartment)
To choose the sound of the alarm, radio or buzzer.

FM wire antenna compartment (inside)
Open the lid of the battery compartment, and pull out the
FM wire antenna through the lid slot.

Note:

Use only the optional AC power adaptor or the recommended
cord manufactured by Sony. because the polarity of the plugs
of other manufacturers may be different.

Polarity ot the Sony plug

|CF-A'I:FM/AM QUARTZ CHICK RADIII
|CF-A7L:FM/LW QUARTZ CHICK RADIO

SONY.

Page 2

SECTION 1

ICF-A7/A7L
DISASSEM B LY

Note: Follow the disassembly procedure in the numerical order given.

CABINET (REAR) AND CLOCK REMOVAL

A

a knob {TIME SET)

9 ON! (6P)

9 screw (P3 x 76)

0 cabinet {rear}

0 battery case lid

MAIN BOARD REMOVAL

@ o knob (TUN)
Hum

fi/ 0 knob (BAND)
k9 knob {VR}
llmui

Oscrew IP26 x 8)

0 main board