YORKVILLE AP508 - 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
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
sm-ap5xx.pdf v.2.0 11/98
SERVICE MANUAL
1. Parts List
2. Power Supply Board
• M507 Schematic
• M507 PCB layout
3. Power Amp Board
• M508 Schematic
• M508 PCB layout
4. Input Channel Board
• M1054 Schematic
• M1054 PCB layout
5. Master Board
• M1055 / m1055eq Schematic
• M1055 PCB layout
6. Master i/o Board
• M1056 Schematic
• M1056 PCB layout
7. Contact Information
AP508/512

Summary

Important Safety Instructions

Electric Shock Hazard Warning

Warning against opening the unit to prevent electric shock.

Fire and Injury Prevention

Instructions to prevent fire, electric shock, or injury to persons.

User Serviceability and Servicing

AP5 xx Parts List

Power Supply Unit Schematics

Main Power Supply Circuit

5 Volt Supply Circuit

Power Amplifier Section

Power Amplifier Schematic (M508)

Detailed schematic of the power amplifier board.

Safety Warning for High Voltage

Master and I;O Board Schematics

Master Board Schematic (M1055)

Master I;O Board Schematic (M1056)

Input Channel Board

Channel Strip Schematic (M1054)

Schematic diagram for the channel strip board.

YORKVILLE AP508 Specifications