Yamaha ax 496

Page 1

STEREO AMPLIFIER

AX- 496/396

SERVICE MANUAL

I CONTENTS

SPECIFICATIONS
TO SERVICE PERSONNEL
REMOTE CONTROL PANEL
IMPEDANCE SELECTOR
FRONT PANELS
INTERNAL VIEW
DISASSEMBLY PROCEDURES

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This Service Manual uses recycled paper.

IMPORTANT NOTICE

ThIs manual has been provided for the use of authorized YAMAHA Remilers and their service personnel.
II has been assumed Lllal basIc service procedures Inherent to ihe Industry, and more specifically YAMAHA Products,
are already known and undersiood by Ihe 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 any service required
should be performed by an authorized YAMAHA Retailer or the appointed service representative.

IMPORTANT: The presemaLIon or sale of this manual to any Indivtdual or firm does not constitute authorization,
certification or recognillon of any applicable technical capabilities, or establish a principleragem
relationship of any form.

The data provided is believed to be accurate and applicable to the unll(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 specifications are subject to change without notice or obligation to
retrofit. Should any discrepancy appear to exist, please contact the disIrIbulor'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).

IMPORTANT: Turn the unit OFF during disassemhly and part replacement. Recheck all work before you apply

k power to the unit.

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ADJUSTMENTS 7
BLOCK DIAGRAM 8
p-COM DATA 9
PRINTED CIRCUIT BOARD 10~25
SCHEMATIC DIAGRAM 26~29
PARTS LIST 30~47
REMOTE CONTROL TRANSMITTER 43

YAMAHA

YAMAHA CORPORATION

P.O.Box 1. Hamamatsu, Japan

969/9617'XV