Sony WM-EX660 User Manual

MICROFILM
SERVICE MANUAL
CASSETTE PLAYER
AEP Model
UK Model
WM-EX660/EX662
E Model
WM-EX662
Model Name Using Similar Mechanism WM-EX650/EX652/EX654
Tape Transport Mechanism Type MT-WMEX550-125
SPECIFICATIONS
WM-EX660/EX662
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.

Sony WM-EX660 Specifications

General

Brand	Sony
Model	WM-EX660
Category	Cassette Player
Language	English

Summary

Specifications Overview

House Current Requirements

Diagrams Overview

Block Diagram

Overview of the system's functional blocks and signal paths.

Printed Wiring Board Layout

Layout diagrams for the main board's component placement.

Schematic Circuit Diagrams

Detailed circuit schematics for the electronic components.

IC Pin Function Descriptions

Explanation of pin functions for key integrated circuits.

Getting Started with Walkman

Power Source Preparation

Instructions for using dry battery, rechargeable battery, and mains power.

Basic Walkman Operation

Steps for playing a cassette tape and adjusting volume.

Advanced Functions Guide

Skip Blank Space Feature (BL SKIP)

Dolby Noise Reduction

Bass Boost Modes (MB/GRV)

Hearing Protection (AVLS)

Automatic Volume Limiter System to protect ears.

Operational Precautions and Safety

Unit Care and Environmental Safety

Headphone Safety Warnings

Warnings about road safety and hearing damage from loud volume.

Disassembly Procedure

Cassette Lid Removal

Mechanical Adjustments

Torque Measurement Procedure

Procedure and values for measuring torque in different modes.

Electrical Adjustments

Tape Speed Adjustment Procedure

Procedure for adjusting tape speed using a frequency counter.

Exploded Views

Case Section Exploded View

Electrical Parts List