Yamaha dsp a590 1

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DIGITAL SOUND FIELD PROCESSING AMPLIFIER

- DSP-A590

SERVICE MANUAL

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WARNING:

9.) IMPORTANT:

WARNING:

IMPORTANT:

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I CONTENTS

This manual has been provided for the use of authorized YAMAHA Retailers and their service personnelr
it has been assumed that basic service procedures inherant to the industry. and more specifically YAMAHA
Products, are already known and understood by the users, and have therefore not been restated.

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,
retrofitr Should any discrepancy appear to exist, please contact the distributor's Service Division,

IMPORTANT NOTICE \

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 its 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

The presentation or sale of this manual to any individual or firm does not constitute
authorization, certification or recognition of any applicable technical capabilities, or
establish a principle-agent relationship of any form,

therefore, inevitable and specifications are subject to change without notice or obligation to

Static discharges can destroy expensive Cumpanenlxr 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 disarsembly and parts replacement. Recheck all work before you

apply power to the unit.

TO SERVICE PERSONNEL 1 DISPLAY DATA. ..... ..
REAR PANELS ...... ..... 1~2 PRINTED CIRCUIT BOARD .. 12~21
INTERNAL VIEW . 2 BLOCK DIAGRAM . .....22~23

SPECIFICATIONS
DISASSEMBLY PROCEDURES

SELF CHECK MODE ........... ..... 4~6 PARTS LIST .....
IC DATA7~10 REMOTE CONTROL TRANSMITTER .

IC BLOCKS .. ....... 24~25
SCHEMATIC DIAGRAM........

29~39

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DSP-A590

DSP-Asgo'

I TO SERVICE PERSONNEL

Critical Components Information.

Components having special characteristics are marked and must
be replaced wilh pans having specifications equal to lhose origi-
nally installed.

I REAR PANELS

WALL EQUIPMENT
OUTLET UNDER TEST

AC LEAKAGE
TESTER 0R
EQUIVALENT

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INSULATING
TABLE

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