YORKVILLE EF500P Service Manual

U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
WORLD HEADQUARTERS
WEB ACCESS: http://www.yorkville.com
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481
Fax: (905) 837-8746
Quality and Innovation Since 1963
Printed in Canada
SERVICE MANUAL
ef500p
MODEL TYPE: YS1002
Manual-Service-ef500p-00-2v4.pdf

YORKVILLE EF500P Specifications

General

Brand	YORKVILLE
Model	EF500P
Category	Speakers
Language	English

Summary

Important Safety Instructions

General Safety Precautions

Warnings regarding electric shock, fire, and injury risks.

Operating and Service Guidelines

Instructions for proper unit usage, cleaning, packaging, and servicing.

System Schematics and Diagrams

EF500P Block Diagram

High-level functional overview of the EF500P audio system.

Mixer and Input Section Schematic

Detailed circuit diagram of the mixer and signal input stages.

Amplifier and Power Supply Schematics

Circuit diagrams for the horn and woofer amplifiers, and power supply.

Power Supply Specifics

Detailed diagram of the power supply unit and its components.

Production and Service Information

Production Notes and Assembly

Instructions for component placement and assembly procedures.

Component Pin Configurations

Visual guides for transistor pin layouts and part references.

Crow Bar Circuit Details

History, layout, and production notes for the crow bar protection circuit.

Field Service Troubleshooting Guide

Specific guidance for diagnosing and repairing common amplifier failures.

Control Panel Interface

Control Panel Layout and Functions

Overview of the EF500P's front panel controls, connectors, and indicators.

Knob Identification and Usage

Identifies specific control knobs by part number, color, and function.