Sony CFD-E90 User Manual

SERVICE MANUAL
AUDIO POWER SPECIFICATIONS
(US model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
With 4-ohm loads, both channels driven from
100 - 10 000 Hz; rated 1.5 W per channel-
minimum RMS power, with no more than 10 %
total harmonic distortion in AC operation.
Other Specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of about
200 mm from the objective lens surface on the optical
pick-up block with 7 mm aperture.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels
2
Frequency response
20 - 20 000 Hz
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1 710 kHz
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 110 sec. with Sony cassette C-60
Frequency response
TYPE I (normal): 50 - 15 000 Hz
General
Speaker
Full range: 8 cm (3
1
⁄ 4 in.) dia., 4 Ω, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 - 68 Ω impedance headphones
Power output
2 W + 2 W (at 4 Ω, 10 % harmonic distortion)
Power requirements
For CD radio cassette-corder:
120 V AC, 60 Hz
9 V DC, 6 size C (R14) batteries
For memory back-up:
4.5 V DC, 3 size AA (R6) batteries
For remote control:
3 V DC, 2 size AAA (R03) batteries
Power consumption
AC 14 W
Battery life
For CD radio cassette-corder:
FM recording
Sony R14P: approx. 13.5 h
Sony alkaline LR14: approx. 20 h
Tape playback
Sony R14P: approx. 7.5 h
Sony alkaline LR14: approx. 15 h
CD playback
Sony R14P: approx. 2.5 h
Sony alkaline LR14: approx. 7 h
Dimensions
Approx. 272 × 164 × 285 mm (w/h/d)
(10
3
⁄ 4 × 6
1
⁄ 2 × 11
1
⁄ 4 inches)(incl. projecting parts)
Mass
Approx. 3 kg (6 lb. 10 oz) (incl. batteries)
Supplied accessories
AC power cord (1)
Remote control (1)
Design and specifications are subject to change without
notice.
CD RADIO CASSETTE-CORDER
US Model
Canadian Model
E Model
SPECIFICATIONS
CFD-E90
Ver. 1.3 2005.07
9-961-974-04 Sony Corporation
2005G05-1 Personal Audio Group
© 2005.07 Published by Sony Engineering Corporation
CD
Model Name Using Similar Mechanism CFD-E95
Section
Optical Pick-up Block Name KSM-213RDP or KSM-213CDP
Optical Pick-up Name KSS-213R or KSS-213C
TAPE
Model Name Using Similar Mechanism CFD-E95
Section
Tape Transport Mechanism Type MF-E95

Sony CFD-E90 Specifications

General

Brand	Sony
Model	CFD-E90
Category	CD Player
Language	English

Summary

SERVICING NOTES

Handling and Safety Precautions

Precautions for handling optical pick-ups, laser diodes, and general repair safety.

Repair Tools and Procedures

Information on using the chuck plate jig and performing laser diode checks.

GENERAL

Basic Operations

Guide to basic functions: CD playback, radio listening, tape playback, and recording.

Clock and Timer Settings

Instructions for setting the device's clock and timer functions.

DISASSEMBLY

Disassembly Procedures

Detailed steps for disassembling major sections like the cabinet, boards, and mechanisms.

Component Removal

Specific procedures for removing individual components like boards, pick-ups, and heads.

Belt and Lid Replacement

Instructions for replacing belts and removing the CD lid.

ADJUSTMENTS

Mechanical Adjustments

Precautions, torque, and tension measurements for mechanical adjustments.

Electrical Adjustments

Precautions and procedures for tape speed, tuner, and CD section electrical adjustments.

DIAGRAMS & NOTES

Block Diagrams

Block diagrams illustrating the CD, Tuner, Main, and Power Supply sections.

Board and Schematic Notes

Notes on printed wiring boards, schematic diagrams, and circuit board locations.

EXPLODED VIEWS

Component Identification

Exploded views showing the assembly and identification of all major parts.

Sectional Exploded Views

Detailed exploded views for specific sections like cabinet, panel, LCD, and CD block.

ELECTRICAL PARTS LIST

Component Lists by Section

Parts lists for Battery, CD, Headphone, LCD, Main boards, and Accessories.

IC PIN FUNCTION DESCRIPTIONS

IC801 Pin Function Description

Detailed pin assignments and functions for the main system controller IC801.