File name Yamaha-Stagepas300 pwrmix.pdfSTAGEPAS 300
SERVICE MANUAL
Speaker Mixer Speaker
CONTENTS
SPECIFICATIONS 3
PANEL LAYOUT 4
DIMENSIONS 4
CIRCUIT BOARD LAYOUT 5
DISASSEMBLY PROCEDURE 6
IC BLOCK DIAGRAM IC 15
CIRCUIT BOARDS 16
INSPECTIONS 23
TROUBLE SHOOTING 26
PARTS LIST
BLOCK DIAGRAM
CIRCUIT DIAGRAM
PA 011775
20050321-86100
HAMAMATSU, JAPAN 1
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K9611 '05.04
STAGEPAS 300
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic
service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users,
and have therefore not been restated.
WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury,
destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise
all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the
appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification,
recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.
The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in
specification are subject to change withou |