Sony ICF-C111 User Manual

1
SERVICE MANUAL
E Model
ICF-C111
FM/AM CLOCK RADIO
SPECIFICATIONS
Ver 1.1 2001. 05
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
9-873-094-12
2001E0400-1
© 2001.5
Time display
12-hour system (AR, E13, SP)
24-hour system (E92, MX)
Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1710 kHz
Speaker
Approx. 6.6 cm (2
5/8 inches) dia., 8 ohm
Power output
100 mW (at 10% harmonic distortion)
Power requirements
120 V AC, 60 Hz (E92, MX)
220 - 230 V AC, 50 Hz (AR, SP)
220 - 230 V AC, 60 Hz (E13)
For the power back-up function: 9 V DC, one 6F22 battery
Battery life
Approx. 60 hours, using Sony S-006P (6F22) battery
Dimensions
Approx. 146.5 × 100.5 × 123 mm (w/h/d)
(5 7/8 × 4 × 4 7/8 inches) incl. projecting parts and controls
Mass
Approx. 580 g (1 lb 4.4 oz) not incl. battery
Design and specifications are subject to change without notice.
• Abbreviation
AR : Argentina model
E13 : AC 220 – 230 V area in E model
E92 : AC 120 V area in E model
MX : Mexican model
SP : Singapore model

Sony ICF-C111 Specifications

General

Type	Clock Radio
Brand	Sony
Model	ICF-C111
Power Source	AC Power
Display Type	LED
Alarm Function	Yes
Radio Tuner	AM/FM
Snooze Function	Yes
Sleep Timer	Yes
Weight	1.1 lbs
Battery Backup	Yes
Alarm Type	Buzzer, Radio

Summary

Servicing Notes

Cord Dressing (Power Cord)

Procedure for connecting and routing the power cord during servicing.

Pointer Alignment

Steps to correctly align the tuning pointer for accurate station selection.

General Operations

Setting the Clock

Instructions for setting the current time on the clock radio.

Operating the Radio

Guide on how to tune and listen to FM/AM radio stations.

Setting the Alarm

Steps to configure the alarm function with radio or buzzer.

Setting the Sleep Timer

How to use the sleep timer to automatically turn off the radio.

Disassembly Procedures

Front Panel Removal

Procedure for detaching the front panel from the unit.

Upper Cabinet Removal

Steps for removing the upper cabinet assembly.

Chassis and Main Board Access

How to access the chassis section and main board for repair.

Electrical Adjustments

FM Section Adjustments

Adjustments for FM frequency coverage and tracking using test signals.

AM Section Adjustments

Adjustments for AM frequency coverage and tracking using test signals.

Adjustment Location Guide

Diagram showing the location of adjustment components on the main board.

Diagrams and Schematics

Block Diagram

High-level functional overview of the ICF-C111's internal circuitry.

Printed Wiring Board Layout

Visual representation of component placement on the main and transformer boards.

Schematic Diagram

Detailed electrical schematic of the ICF-C111 circuitry.

IC Block Diagrams

Functional block diagrams for key integrated circuits (IC1, IC101).

Exploded Views

Upper Cabinet Exploded View

Illustrated view of the upper cabinet components and their assembly.

Lower Cabinet Exploded View

Illustrated view of the lower cabinet components and their assembly.

Electrical Parts List

Main Components List

Comprehensive list of electronic components used in the main section.

Transformer Section Parts

List of parts related to the transformer and power supply section.