YORKVILLE CA12 User 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
CA12
MODEL TYPE: YS1048

YORKVILLE CA12 Specifications

General

Cooling	Convection
Type	Powered Speaker
Program Power	300 Watts
Woofer Size	12 inch
Inputs	XLR, 1/4"
Outputs	XLR
Protection	Thermal, Short Circuit

Summary

Important Safety Instructions

General Safety Precautions

Includes reading manuals, handling packaging, power sources, hazards, power cords, and service.

Main Board - Zone 1 and Bus Interface

Zone 1 Input and Bus I/O Circuitry

Details circuitry for Zone 1 input signals and bus communication handling.

Main Board - Power Supply

AC Input and Power Regulation

Covers AC input selection, fusing, power switch, and DC voltage regulation circuits.

Power Amplifier Circuitry

Channel Operation Overview

Details input and output configurations for left and right channels of the power amplifier.

Volume Control Board Circuitry

Zone Volume and Gain Controls

Provides controls for adjusting volume and gain for each of the six zones.