Sony Dream machine icf-c201 User manual

ICF-C201/C205

E Model

ICF-C201/C205

Australian Model

ICF-C205

SERVICE MANUAL

Sony Corporation

Personal Audio Division

Published by Sony Techno Create Corporation

9-887-137-01

2006C02-1

SPECIFICATIONS

Ver.1.0 2006.03

Time display:

ICF-C201 12-hour system

ICF-C205 Australian model : 12-hour system

Other models : 24-hour system

Frequency range:

ICF-C201 FM: 87.5 - 108 MHz

ICF-C205 FM: 87.5 - 108 MHz

AM: 530 - 1 605 kHz

Speaker:

Approx. 5.7 cm (2 1⁄4inches) dia., 8Ω

Power output:

150 mW (at 10 % harmonic distortion)

Power requirements:

ICF-C201 120 V AC, 60Hz

ICF-C205 230 V AC, 50Hz

For the power back-up function: 9 V DC, one 6F22 battery

Battery life:

Approx. 80 hours, using Sony 006P (6F22) battery

Dimensions:

Approx. 143 ×54.5 ×117.5 mm (w/h/d)

(5 3⁄4×2 1⁄4×4 3⁄4inches) incl. projecting parts and controls

Mass:

ICF-C201 Approx. 340g (11.9 oz) not incl. battery

ICF-C205 Approx. 396g (14.0 oz) not incl. battery

Design and specifications are subject to change without notice.

FM CLOCK RADIO

ICF-C201

FM/AM CLOCK RADIO

ICF-C205

Photo: ICF-C205

ICF-C201/C205

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE WITH

MARK 0ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS

LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE

COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS

APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS

PUBLISHED BY SONY.

TABLE OF CONTENTS

Specifications ............................................................................ 1

1. GENERAL

Locating the Controls ...................................................... 3

2. DISASSEMBLY

2-1. Upper Cabinet assy .................................................. 5

3-2. MAIN Board ............................................................ 5

Installation Power Cord and Pointer Installation ............ 6

3. ELECTRICAL ADJUSTMENTS ......................... 7

4. DIAGRAMS

4-1. Printed Wiring Board ............................................... 9

4-2. Schematic Diagram .................................................. 10

5. EXPLODED VIEWS ................................................ 12

6. ELECTRICAL PARTS LIST ................................ 13

• HOW TO CHANGE THE CERAMIC FILTER

This model is used two ceramic filters of CF2 and CF3.

You must use same type of color marked ceramic filters in order

to meet same specifications.

Therefore, the ceramic filter must change two pieces together since

it's supply two pieces in package as a spare parts.

mark mark

CF3

CF2

red

blue

orange

black

white

10.70MHz

10.67MHz

10.73MHz

10.64MHz

10.76MHz

Mark Center

frequency

ICF-C201/C205

SECTION 1

GENERAL This section is extracted

from instruction manual.

LOCATING THE CONTROLS

TUNING

SNOOZE / SLEEP OFF

BAND

VOLUME

MAX MIN

H M

TIME SET

CLOCK

BUZZER

RADIO

ALARM MODE

OFF

RADIO ON

ALARM SLEEP

AC power cord

There is a tactile dot beside

VOLUME to show the direction

to turn up the volume.

FM wire aerial

ICF-C205

(ICF-C205)

ICF-C201

TUNING

ICF-C201/C205

Setting the Clock

1Plug in the unit.

The display will flash “AM 12:00”.

2To set the hour, while holding down CLOCK, press TIME

SET H. When the correct hour appears in the display, release

CLOCK.

3To set the minute, while holding down CLOCK, press TIME

SET M. When the correct minute appears in the display,

release CLOCK.

The clock will begin to operate when you release TIME SET

•Each press on TIME SET H or TIME SET M advances the

displayed number by one.

•The minute digits advance to “00” after “59”. The hour digits

do not advance by pressing TIME SET M.

•To adjust the time exactly to the second, set the time one minute

behind the time you want to set. Press TIME SET M

simultaneously with the time signal.

Operating the Radio

1Set the function selector to RADIO ON to turn on the radio

and adjust VOLUME.

2Select BAND and tune in to a station using TUNING.

•To turn off the radio, set the function selector to OFF.

Setting the Alarm

To set the radio alarm, first tune in to a station and adjust the volume.

1To set the hour for alarm, while holding down ALARM, press

TIME SET H. When the desired hour appears in the display,

release ALARM.

2To set the minute for alarm, while holding down ALARM,

press TIME SET M. When the desired minute appears in the

display, release ALARM.

3Set the function selector to ALARM MODE • RADIO or

ALARM MODE • BUZZER.

The alarm will come on at the preset time and automatically

turn itself off after 119 minutes.

•To shut off the alarm, set the function selector to OFF.

To sound the alarm at the preset time the next day, set the

function selector to ALARM MODE • RADIO or ALARM

MODE • BUZZER again.

•To deactivate the alarm, set the function selector to OFF.

•To doze a few more minutes, press SNOOZE/SLEEP OFF.

The alarm will shut off but will come on again after about 9

minutes. You can use this function as many times as you like.

•To adjust the radio alarm volume, turn VOLUME.

The buzzer volume is fixed.

•To check the preset time, press ALARM.

Setting the Sleep Timer

Enjoy falling asleep to the radio using the built-in sleep timer that

shuts off the radio automatically.

1While listening to the radio, set the function selector to OFF.

2Press SLEEP.

The radio turns on. It will go off after 59 minutes.

•To turn off the radio before the preset time, press SNOOZE/

SLEEP OFF.

•Every time you press SLEEP, the sleep timer is reset to 59

minutes.

•When you set the function selector to ALARM MODE •

RADIO or ALARM MODE • BUZZER, if the preset alarm

time comes while the sleep timer is operating, the radio or

buzzer sounds depending on which you set.

ICF-C201/C205

SECTION 2

DISASSEMBLY

• This set can be disassembled in the order shown below.

Upper cabinet assy

Set MAIN board

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

2-1. UPPER CABINT ASSY

lower cabinet ass

upper cabinet assy

four screws

(+BVTP2.6)

two claws

claw

two claws

2-2. MAIN BOARD

MAIN board

claw

cla

ICF-C201/C205

INSTALLATION POWER CORD AND POINTER INSTALLATION

power cord

turn the knob (TUNE)

fully counterclockwise.

turn the knob (VOL)

fully counterclockwise.

turn CV1 fully

counterclockwise

(bottom side).

turn RV1 fully

counterclockwise.

wind the power

cord clockwise

once.

lower cabinet (top view)

MAIN board (top view)

ICF-C201/C205

SECTION 3

ELECTRICAL ADJUSTMENTS

AM Section 0dB=1µV

Procedure :

BAND : AM

VOLUME : MIN

FM Section

Procedure :

BAND : FM

VOLUME : MIN

•Repeat the procedures in each adjustment several times, and

the frequency coverage and tracking adjustments should be

finally done by the trimmer capacitors.

ICF-C205

AM IF ADJUSTMENT