Sony CFD-E75 User Manual

SERVICE MANUAL
CD RADIO CASSETTE-CORDER
US Model
Canadian Model
E Model
SPECIFICATIONS
CFD-E75
Ver 1.3 2002.03
9-873-110-14 Sony Corporation
2002C0500-1 Personal Audio Company
C 2002.03 Published by Sony Engineering Corporation
AUDIO
(US model only)
POWER SPECIFICATIONS
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 +0/–1 dB
Wow and flutter
Below measurable limit
Radio
US, Canadian, *E92, Taiwan, Mexican models
section
Frequency range
FM: 87.6 - 108 MHz
AM: 530 - 1 710 kHz
Antennas
Frequency range
Singapore, Korean, Argentina models
FM: Telescopic antenna
AM: Built-in
FM: 87.6 – 107 MHz (Korean model)
87.5 – 108 MHz (Singapore, Argentina models)
AM:
IF
FM: 10.7 MHz
AM: 450 kHz
Aerials
FM: Telescopic aerial
AM: Built-in ferrite bar aerial
531 – 1,602 kHz (9 kHz step)
530 – 1,610 kHz (10 kHz step)
ferrite bar antenna
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 120 sec. with Sony cassette
C-60
Frequency response
TYPE I (normal): 70 - 13 000 Hz
General
Speaker
Full range: 8 cm (3
1
⁄4 in.) dia.,
4 Ω, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 - 64 Ω impedance headphones
Power output
2 W + 2 W (at 4 Ω, 10 % harmonic distortion
in AC operation)
Power
US, Canadian, *E92, Taiwan, Mexican models
Singapore model
230 V AC, 50 Hz
requirements
For CD radio cassette-corder:
120
Argentina model
220-230 V AC, 50Hz
Korean model
220 V AC, 60Hz
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 AA (R6) batteries
Power consumption
AC 14 W
Battery life
For CD radio cassette-corder:
FM recording
Sony R14P: approx. 5 h
Sony alkaline LR14: approx. 20.5 h
Tape playback
Sony R14P: approx. 6 h
Sony alkaline LR14: approx. 27 h
CD playback
Sony R14P: approx. 1.5 h
Sony alkaline LR14: approx. 8 h
Dimensions
Approx. 283 × 165 × 281 mm (w/h/d)
(11
1
⁄4 × 6
1
⁄2 × 11
1
⁄8 inches) (incl. projecting parts)
Mass
Approx. 3.5 kg (7 lb. 11 oz) (incl. batteries)
Supplied accessories
AC power cord (1)
Remote control (1)
*E92: Central and South America model
Design and specifications are subject to change without
notice.
CD
Model Name Using Similar Mechanism CFD-926L
Section
CD Mechanism Type KSM-213CDP
Optical Pick-up Name KSS-213C
TAPE
Model Name Using Similar Mechanism CFD-926L
Section
Tape Transport Mechanism Type MF-V5-117

Sony CFD-E75 Specifications

General

Brand	Sony
Model	CFD-E75
Media Type	CD, Cassette, Radio
Radio Tuner	AM/FM
CD Player	Yes
Cassette Deck	Yes
Audio Output Mode	Stereo
Power Source	AC power, Battery
Speakers	Built-in
Type	Portable Stereo System

Summary

SECTION 1 SERVICING NOTES

OPTICAL PICK-UP HANDLING

Precautions for handling optical pick-up, static discharge, and flexible boards.

LASER DIODE EMISSION CHECK

Guidelines for checking laser diode emission, including safe viewing distance.

LASER DIODE OPERATION CHECK

Procedure to verify laser diode emission and focus search operation.

SECTION 3 DISASSEMBLY

DISASSEMBLY FLOW OVERVIEW

Outline of the set's disassembly sequence and component removal order.

CABINET AND BOARD REMOVAL

Steps for removing cabinet parts, AC inlet, power, tuner, and main boards.

CD AND TAPE MECHANISM DISASSEMBLY

Procedures for removing CD mechanism, optical pick-up, tape mechanism, head, and motor.

FRONT PANEL AND LID COMPONENTS

Steps for disassembling the cabinet front, lid cassette, LCD board, and CD lid.

CONNECTOR SETTING PROCEDURE

Diagram showing correct placement of connector leads during reassembly.

SECTION 4 MECHANICAL ADJUSTMENTS

MECHANICAL ADJUSTMENT PRECAUTIONS

General safety and procedural precautions before mechanical adjustments.

TORQUE AND TAPE TENSION SPECIFICATIONS

Required values and methods for measuring torque and tape tension.

SECTION 5 ELECTRICAL ADJUSTMENTS

ELECTRICAL ADJUSTMENT PRECAUTIONS

General safety and procedural precautions before electrical adjustments.

TAPE DECK SPEED ADJUSTMENT PROCEDURE

Steps to adjust tape speed using a test tape and frequency counter.

TUNER SECTION ADJUSTMENT DETAILS

Specific adjustments for AM/FM tuner IF, VCO, and tracking circuits.

CD SECTION FOCUS BIAS CHECK

Method to verify CD section focus bias using an oscilloscope waveform.

SECTION 6 DIAGRAMS

BLOCK DIAGRAMS BY SECTION

Block diagrams illustrating signal flow for CD, Tuner, Main, and Power Supply sections.

REFERENCE WAVEFORMS AND BOARD LOCATIONS

Key waveforms for diagnostics and a map of circuit board locations.

IC BLOCK DIAGRAMS AND PIN FUNCTIONS

Block diagrams for primary ICs and detailed pin function descriptions.

SECTION 7 EXPLODED VIEWS

CABINET SECTIONS AND KNOBS

Exploded views of cabinet sections, including knobs and color variations.

UPPER CABINET AND BOARD ASSEMBLY

Exploded view of the upper cabinet, showing boards, buttons, and springs.

FRONT PANEL AND DISPLAY COMPONENTS

Exploded view of the front panel, detailing LCD, FFC cables, and holders.

LOWER CABINET AND POWER COMPONENTS

Exploded view of the lower cabinet, showing battery compartments and power-related parts.

OPTICAL PICK-UP ASSEMBLY

Exploded view of the optical pick-up module, including shaft, gears, and chassis.

TAPE MECHANISM DECK COMPONENTS

Exploded views of tape mechanism parts, sliders, springs, and heads.

SECTION 8 ELECTRICAL PARTS LIST

AC INLET AND POWER SUPPLY COMPONENTS

List of components for AC inlet, back-up, BATY A, and BATY B boards.

CAPACITORS, CONNECTORS, AND DIODES

Lists of capacitors, connectors, and diodes used in the unit.

ICs, RESISTORS, AND TRANSISTORS

Lists of integrated circuits, resistors, and transistors by section.

ACCESSORIES AND MANUALS

List of included accessories, power cords, manuals, and remote controls.

REVISION HISTORY

REVISION LOG

Record of manual versions, dates, and descriptions of changes made.