YORKVILLE AP4020 - Service Manual

SERVICE MANUAL
AP4020
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
WEB: www.yorkville.com
MODEL TYPE: YS4020
All manuals and user guides at all-guides.com
all-guides.com

Summary

AP4020 Service Manual

Important Safety Instructions

Follow All Instructions

General instructions for safe operation and maintenance of the unit.

Caution: Risk of Electric Shock

Warning to prevent electric shock by not removing the cover or back.

AP4020 Parts List

M1126 Production Notes

Mounting Hardware for Q11, Q12

Details for mounting hardware for transistors Q11 and Q12.

Mounting Hardware for Q5 and Q6

Details for mounting hardware for transistors Q5 and Q6.

Mounting Hardware for TO3 Outputs

Hardware specifications for mounting TO3 output transistors.

Mounting Details for Q30 TRIAC

Specific instructions for mounting the Q30 TRIAC.

Tab Wire Colours

Identifies wire colours used for tabs in the assembly.

M1126 Database History

Mnnnn Drilling History

Pin Configuration

X8013 Database History

X8011 Production Notes - M1128 AP;VX

X8011 PCB Database History

X8011 Drill History

Lead;Pin Reference

X8011 Pending Changes

M1129 Database History

M1129 Drill History

M1129 Production Notes

M1129 Pending Changes

Service Bulletin: Quick Fix for M1146 & M1126

Component Replacement Procedure

Steps for replacing specific components like transistors and diodes.

Service Bulletin: Testing Repaired Circuit Boards

Power-Up and Testing Steps

Procedure for powering up and testing repaired circuit boards.

AP4020 CE AC Wiring

YORKVILLE AP4020 Specifications

General

Brand	YORKVILLE
Model	AP4020
Category	Amplifier
Language	English