Service Manuals, User Guides, Schematic Diagrams or docs for : Yamaha AVR AVR-S80 & NX-SW80 AVR-S80 & NX-SW80
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AVR-S80/NX-SW80
HOME THEATER SYSTEM
AVR-S80/NX-SW80 SERVICE MANUAL
The AVX-S80 is composed of the AVR-S80 and the NX-SW80.
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 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 individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent 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. 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 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).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
I CONTENTS
TO SERVICE PERSONNEL .......................................... 2 DSP SELF DIAGNOSIS FUNCTION (DIAG)
SYSTEM COMPOSITION / ..................... 3 16~33
FRONT PANELS ........................................................ 3~4 DISPLAY DATA ..................................................... 34~35
REMOTE CONTROL PANELS ...................................... 5 IC DATA ................................................................. 36~41
REAR PANELS .......................................................... 5~7 BLOCK DIAGRAM ................................................. 42~45
SPECIFICATIONS ...................................................... 8~9 PRINTED CIRCUIT BOARD .................................. 46~53
INTERNAL VIEW ......................................................... 10 PIN CONNECTION DIAGRAM .................................... 54
AVR-S80 DISASSEMBLY PROCEDURE / SCHEMATIC DIAGRAM ........................................ 55~60
AVR-S80 ................................................. 11~13 PARTS LIST ........................................................... 61~82
SW-S80 DISASSEMBLY PROCEDURE / REMOTE CONTROL .............................................. 83~84
SW-S80 14~15 Parts List for Carbon Resistors ................................ 85
100811
P.O.Box 1, Hamamatsu, Japan
AVR-S80/NX-SW80 AVR-S80/NX-SW80
I TO SERVICE PERSONNEL AC LEAKAGE
WALL EQUIPMENT TESTER OR
1. Critical Components Information OUTLET UNDER TEST EQUIVALENT
Components having special characteristics are marked s
and must be replaced with parts having specifications equal
to those originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated INSULATING
from supply circuits. TABLE
G Meter impedance should be equivalent to 1500 ohm shunted G Leakage current must not exceed 0.5mA.
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