Yamaha rv 502

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AV RECEIVER
I FIX-V3 92/ R-V5 02/
RX-V3 92 R DS

SERVICE MANUAL

/ 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 foliow 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 appIicabIe technical capabilities, or
establish a principle-agent relationship of any form.

The data provided is believed to be accurate and appIicabIe 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 distributors 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. Rechcck all work before you

\ apply power to the unit j

ICONTENTS a;
>,<<
TOSERVICEPERSONNEL 1 TUNERADJUSTMENTS...................14~17 §§
FRONTPANELS 2 DISPLAYDATA. . .. . .. ...18 §:
REARPANELS .. . .3~4 ICDATA........... ....19~22 3g
SPECIFICATIONS 5~6 PRINTEDCIRCUITBOARD ................24~35 Q
INTERNALVIEW.............................7 BLOCKDIAGRAM........... ...... .......36~38
DISASSEMBLV PROCEDURES .......7~8 PIN CONNECTION DIAGRAM ....89
SELFCHECKMODE............... 9~11 SCHEMATICDIAGRAM .. . 40~43
PROTECTION OPERATION CHECK FUNCTION . .12 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44~58

AMPADJUSTMENTS 13 REMOTECONTROLTRANSMITTER............59

YAMA

X HA ORPORATION
. . 0x1, amamatsu,Japan

3K-615 IE g Printed in Japan 97.7

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RX-V3921R-V502IRX-V392RDS !

I TO SERVICE PERSONNEL

1. Critical Components lnlormation.

Components having special characteristics are marked A WALL EQUIPMENT AgslifiégggE

and must be replaced with parts having specifications equal

to those originally installed. OUTLET UNDER TEST EQUIVALENT
2. Leakage Current Measurement (For 120V Models Only). ® D-
, When service has been completed, it is imperative to verify I"

that all exposed conductive surlaces are properly insulated _

from supply Circuits. INSULATING

TABLE

0 Meter impedance should be equivalent to 1500 ohm shunted
by 0.15uF.

c Leakage current must not exceed 0.5mA.

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

CAUTION"
F101 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5.0A,125v FUSE."
_A_v '

CAUTION 3
F101 : REPLACE WITH SAME TYPE 5.0A, 125V FUSE. l

ATTENTION
F101 : UTILISER UN FUSIBLE DE HECHANGE DE MEME TYPE DE 5.0A, 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 Calilornia 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 lN,YOUR MOUTH FOR
ANY REASON WHAT SO EVER! I

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

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

RX-V392RDS

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