Yamaha rv 902

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AV RECEIVER
RX-V592/R-V902/
RX-V592RDS

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 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 of firm does not constitute
_ authorization, certification or recognition of any applicable technical capabilities,
or establish a principle-agent relationship of any fortn.

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research,
engineering, and service dcpamnents 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

I CONTENTS
TO SERVICE PERSONNEL 1 AMP ADJUSTMENT ........ 16
REMOTE CONTROL PANELS . 1 PRINTED CIRCUIT BOARD ........ 17~27
FRONT PANELS 2 BLOCK DIAGRAM ......... 28~30
REAR PANELS 3~4 IC BLOCK................ 31 ~32
SPECIFICATIONS u-COM DATA . 33~34
INTERNAL VIEW 7 DISPLAY DATA .. 35
DISASSEMBLY PROCEDURES 7 SCHEMATIC DIAGRAM . .36-38

SELF CHECK MODE ........ a~1o PARTs LIST .......... 39~54
PROTECTION OPERATION CHECK FUNCTION 11 REMOTE CONTROL TRANSMITTER 55~57
TUNER ADJUSTMENTS 12~15

YAMAHA CORPORATION
P.0.Box1.Hamamatquapan

2,95K;174 @g Printed in Japan 97,4

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RX-VS92/R-V902/RX-V552RDS

I TO SERVICE PERSONNEL

1. Critical Components information.
Components having special characteristics are marked and
must be replaced with parts having specifications equal to
those originally installed. _ WALL EQUIPMENT fisLFéIg'girs
2. Leakage Current Measurement (For 120V Model only). OUTLET UNDER TEST EQUIVALENT
When service has been completed, it is imperative that you
verify that all exposed conductive surfaces are properly insu- ® :D-

lated from supply circuits. , J:-
0 Meter impedance should be equivalent to 1500 ohm shunted -=

by 0.15uF. V'INSULATING
o Leakage current must not exceed 0.5mA. TABLE
I Be sure to test for leakage with the AC plug in both polarities.

"CAUTION"

"F702: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 7.0A,125V FUSE"
A;
_A _v

"F703: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 2.5A,250V FUSE"
"F704: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 3.15A,125V FUSE"

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 REASON
WHATSOEVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder tumesor expose eyes
to solder/fluxvapor!

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

I REMOTE CONTROL PANELS
V U,C,FI,A and L models > V B,G models