Sony ICF-C211, ICF-C211L Service manual

ICF-C211/C211L

SERVICE MANUAL

Ver 1.2 2001. 03

With SUPPLEMENT-1

(9-927-903-81)

With SUPPLEMENT-2

(9-927-903-82)

Photo : ICF-C211

SPECIFICATIONS

Time display: 12 hour (Central & South America, Australian, UK model)

24 hour (AEP, Italian, East European & Russian, Argentina, Singapore model)

Frequency range

FM: 87.5 – 108 MHz AM: 530 – 1,710 kHz (ICF-C211:Central & South America model) AM: 531 – 1,602 kHz (ICF-C211: AEP, UK, East European &

Russian, Argentina, Australian, Singapore model) AM: 526.5 – 1,606.5 kHz (ICF-C211:Italian model) LW: 153 – 255 kHz (ICF-C211L)

Speaker: Approx. 6.6 cm (2 5/8 inches) dia., 8 ohm Power output: 150 mW (at 10 % harmonic distortion) Power requirements:

Central & South America model 120 V AC, 60 Hz AEP, UK, Italian, East European & Russian, Argentina, Australian, Singapore model 220 - 230 V AC, 50 Hz For the power back-up function: 9 V DC, one 6F22 battery

Battery life: Approx. 80 hours, using Sony S-006P(U) battery Dimensions: Approx. 170 x 65 x 149.5 mm (w/h/d)

(6 3⁄4 x 2 5⁄8 x 6 inches) incl. projecting parts and controls

Mass:

EXCEPT UK model:Approx. 520 g (1 lb 3 oz) not incl. battery UK model:Approx. 570 g (1 lb 4 oz) not incl. battery

UK Model

E Model

Australian Model

ICF-C211

AEP Model

ICF-C211/C211L

9-927-903-12

2001C0200-1

Design and specifications are subject to change without notice.

ICF-C211

FM/AM CLOCK RADIO

ICF-C211L

FM/LW CLOCK RADIO

Sony Corporation

Audio Entertainment Group

General Engineering Dept.

TABLE OF CONTENTS

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

1. GENERAL

Location and Function of Controls .................................... 3

2. DISASSEMBLY

2-1. Cabinet (Upper) .......................................................... 5

2-2. Transformer Board...................................................... 5

2-3. Main Board ................................................................. 5

Installation Power Cord ..................................................... 6

3. ELECTRICAL ADJUSTMENT ................................ 7

4. DIAGRAMS

4-1. Printed Wiring Boards ................................................ 9

4-2. Schematic Diagram .................................................... 11

5. EXPLODED VIEW ..................................................... 15

6. ELECTRICAL PARTS LIST ................................... 17

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON 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.

MODEL IDENTIFICATION

– Model Number Portion – Carved on lower cabinet

MODEL NO.

ICF-C211 ICF-C211L

• 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

CF2

mark

CF3

Mark

no mark

blue

orange

black

white

Center

frequency

10.70MHz

10.67MHz

10.73MHz

10.64MHz

10.76MHz

Central & South America model : AC : 120V - 60Hz 5W AEP, UK, Italian, East European & Russian, Argentina, Australian, Singapore model : AC : 220 – 230V-50Hz 5W

– 2 –

LOCATION AND FUNCTION OF CONTROLS

Function selector

SECTION 1

GENERAL

This section is extracted from instruction manual.

AC power cord

C211L

C211

BAND

TUNING VOL

FMLW

FM wire antenna

– 3 –

Setting the Clock

1. Plug in the unit.

The display will flash “AM 12:00”.

2. To set the hour, while holding down CLOCK, press TIME SET H. When the correct hour appears in the display, release CLOCK.

3. To 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 M.

• 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, release TIME SET M

simultaneously with the time signal.

Playing the Radio

1. Set the Function selector to RADIO ON to turn on the radio and adjust VOL. (volume)

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

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

• To improve radio reception

FM: Extend the FM wire antenna fully to improve reception. AM: Reorient the unit for optimum reception.

A ferrite bar antenna is built into the unit.

Setting the Sleep Timer

Enjoy falling asleep to the radio using the built-in sleep timer that shuts off the radio automatically at a preset time.

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

2. Press 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.

Do not operate the unit over a steel desk or metal surface, as this may lead to interference of reception.

Setting the Alarm

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

1. To set the hour for alarm, while holding down ALARM, press TIME SET H. When the desired hour appears in the display, release ALARM.

2. To set the minute for alarm, while holding down ALARM, press TIME SET M. When the desired minute appears in the display, release ALARM.

3. Set the Function selector to ALARM MODE RADIO or ALARM MODE BUZZER.

The alarm will come on at the presettime 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 cancel either 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 repeat this process as many times as you like.

• To adjust the radio alarm volume, turn VOL. The buzzer

volume is fixed.

• To check the preset time, press ALARM.

– 4 –

SECTION 2

)

DISASSEMBLY

The equipment can be removed using the following procedure.

Set

Cabinet (upper)

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

2-1. CABINET (UPPER)

Transformer board

Main board

3 Claw

2 Claw

Cabinet (upper)

Panel

2-2. TRANSFORMER BOARD

1 Remove solder

Transformer board

Cabinet (lower

3 Claw

5 Claw

Cabinet (lower

1 Screws +P 3x14

2-3. MAIN BOARD

Main board

Red

Snap, battery

1 Claws

Cabinet (lower

– 5 –

INSTALLATION POWER CORD

)

Power cord

NOTE FOR INSTALLATION (KNOB (VOL), KNOB (TUNE))

Cabinet (lower

1 Turn the shaft of CV1 fully in the arrow direction.

Cabinet (lower)

3 Pointer

Main board

4 Knob (tune)

CV1

Marking

RV1

2 Turn RV1 fully in the arrow direction.

RV1

Knob (VOL)

5 Turn the knob (VOL) fully in the arrow direction A to be the warking between arrows A and B.

– 6 –

+ 12 hidden pages