Yamaha rx sl80

Page 1

AV RECEIVER/AV AMPLIFIER

X-S L80

SERVICE MANUAL

It has been assumed IIIM ha,

WARNING:

The data provided is believed to be accurate and applicable to the Imit(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 specificalinns are subject to change tvithout notice or obligation to retrofit, Should any discrepancy appear to EXISI. please

Contact the distributors Service Division.

WARNING: Static discharges can destroy expensive components. Discharge arty static electricity your body may have
accuttiulated by grounding yourselt [0 the ground bu,
IMPORTANT: Tum the unit OFF during drsasseinbly and part replacement. Reclleck all work before you apply power to the unit,

IMPORTANT NOTICE

This manual has been provided for the use or authorized YAMAHA Retailers and their service personnel.
service procedures inherent to the industry. and more specifically YAMAHA Products. are already
known and understood by the users. and have theretore not been restated.

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 specrtied. For these reasons.
we advise all YAMAHA product owners that any service required should be pertormed 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 ot any applicable technical capabilities. or establish a prlllciplesagenl relationship or arty totm.

i the unit (heavy gauge black wires connect to this bu

I CONTENTS

To SERVICE PERSONNEL 2
IMPEDANCE SELECTOR 3
FRONT PANELS 4
REAR PANELS. . 5~6
REMOTE CONTROL PANELS 6
SPECIFICATIONS / [I D I] D 7~1o
INTERNAL VIEW 1o
DISASSEMBLY PROCEDURES / D [I D [I 11~13
SELF DIAGNOSIS FUNCTION (DIAG)/
DDDDDDDDDDDD
D-AMP MODULE TROUBLESHOOTING /

[I {I a n D n D u n a [I a [I D 33

14~33

19W, him/:ljwua~ I 3777§-��Ew§ifiiiflfi L'rttSTe
Thts Service Manual uses recycled paper

AMP ADJUSTMENT/ [I D D D [I U ...34
DISPLAY DATA 35
IC DATA 36~42
BLOCK DIAGRAM . 43~44
PIN CONNECTION DIAGRAM 45
PRINTED CIRCUIT BOARD 46~57
SCHEMATIC DIAGRAM 58~64
PARTS LIST 65~79
REMOTE CONTROL . 80~81

YAMAHA

YAMAHA CORPORATION
P.O.Box 1, Hamamatsu, Japan

M '04.09

Page 2

RX-SL80

RX-SL80

I TO SERVICE PERSONNEL

1. Critical Components Information
Components having special characteristics are marked A 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 verily
that all exposed conductive surfaces are properly insulated
from supply circuits.

0 Meter impedance should be equivalent to 1500 ohm shunted
by 0.15m:

AC LEAKAGE
WALL EQUIPMENT TESTER OR
OUTLET UNDER TEST EQUIVALENT

@Il}

:5

INSULATING
TABLE

0 Leakage current must not exceed 0.5mA.

0 Be sure to test for leakage with the AC plug in both polarities.

CAUTION
F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5A, 125V

FUSE.
CAUTION

F1: REPLACE WITH SAME TYPE 5A, 125V FUSE.

ATTENTION

F1: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 5A,125V.

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.