Yamaha avrs 80

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HOME THEATER SYSTEM

AVR-SBOAIX-SWBO

The AVX-SBO is composed of the AVR-SBO and the NX-SW80.

AVX-S80 liAVR-S8O t NX-SWBOCISHJZ e in T L x i To

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 specitically 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 any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.

IMPORTANT: The presentation or sale of this manual to any indivtduai or firm does not constitute authorization, certification or
recognition ot any applicable technical capabilities. or establish a principieragem relationship Of any form.

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. Modificnuons are, therefore, inevitable
and specifications are subject to change Without notice or obligation to retrofit. Should any discrepancy appear to exlsi. please

Contact {he disiribuiors Service Division.

WARNING: Static discharges can destroy expensive components. Discharge any static eiectricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Tum the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

I CONTENTS

To SERVICE PERSONNEL.
SYSTEM COMPOSITION / 9 1 TAIRHSZ
FRONT PANELS ..................
REMOTE CONTROL PANELS
REAR PANELS ..
SPECIFICATIONS
INTERNAL VIEW ..
AVR-Sso DISASSEMBLY PROCEDURE/

AVR-Sso Mfiflfi ................................................. 11~13
SW-580 DISASSEMBLY PROCEDURE/
SW-seo mfilfi .. . 14~15

Lowe EX7:17)H:L137*733Ewfiifiéfifi burst.
Thts Service Manuai uses Iecycied papev

100811

DSP SELF DIAGNOSIS FUNCTION (DIAG) /
DSPEEEaEfififiE (55477) ............................. 16~33
DISPLAY DATA
IC DATA .........
BLOCK DIAGRAM ..............
PRINTED CIRCUIT BOARD ..
PIN CONNECTION DIAGRAM .
SCHEMATIC DIAGRAM
PARTS LIST ...............
REMOTE CONTROL ....................
Parts List for Carbon Resistors

YAMAHA

YAMAHA CORPORATION

P.O.Box 1. Hamamatsu, Japan

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AVR-SSO/NX-SWBO

1l TO SERVICE PERSONNEL Ac LEAKAGE
WALL EQUIPMENT TESTER OR
.Critical Components Information OUTLET UNDER TEST EQUIVALENT
Components having special characteristics are marked l
and must be replaced with parts having specifications equal
to those originally installed. ® :ID-
2. Leakage Current Measurement (For 120V Models Only) J_-
When service has been completed, it is imperative to verify '
that all exposed conductive surfaces are properly insulated INST%£JENG
from supply circuits.
0 Meter impedance should be equivalent to 1500 ohm shunted ° Leakage current must 0 exceed 0.5mA.
by 0.15pF. 0 Be sure to test for leakage with the AC plug in both polarities.

THE DVD AUDIO/VIDEO RECEIVER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY
QUALIFIED SERVICE PERSONNEL.

CAUTION"
F401: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 63A. 250V
FUSE.
CAUTION
F401: REPLACE WITH SAME TYPE 6.3A, 250V FUSE.
ATTENTION
F401: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 6.3A, 250V.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and
possibly other entities) to cause cancer and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-
SON WHATSOEVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.