File name Yamaha-A4000_5000l sampler.pdfPROFESSIONAL SAMPLER SERVICE MANUAL
CONTENTS SPECIFICATIONS ...3 PANEL LAYOUT ...4 CIRCUIT BOARD LAYOUT ...5 BLOCK DIAGRAM ... 6 DISASSEMBLY PROCEDURE ...7 LSI PIN DESCRIPTION ... 10 IC BLOCK DIAGRAM ... 16 TEST PROGRAM ... 19 ERROR MASSAGE ... 31 MIDI DATA FORMAT ... 32 MIDI IMPLEMENTATION CHART ... 43 PARTS LIST OVERALL CIRCUIT DIAGRAM CIRCUIT BOARDS
SY 011491
A5000 19991210-229000 A4000 19991210-149000
HAMAMATSU,JAPAN 1.57K-859 I Printed in Japan2000.01
A5000/A4000
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 per form 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 repre sentative. 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 principalagent relationship of any form.
IMPORTANT:
The data provided is believed 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, therefor, inevitable and changes in specification sre subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.
WARNING:
Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.
IMPORTANT:
WARNING: CHEMICAL |