Yamaha rv 905

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AV RECEIVER

X-V595/R-V905/
X-V595RDS

SERVICE MANUAL

IMPORTANT NOTICE

This manual has been provided for the use ofauthorized YAMAHA Retailers and their servtce 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 principleeagem 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 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: Tum the unit or? during disassembly and pan replacement. Recheck all work before
you apply power to the unit.

CONTENTS

TO SERVICE PERSONNEL 1 TUNER ADJUSTMENT. .22~25

REMOTE CONTROL PANELS 1
FRONT PANELS 2
REAR PANELS 3~4
SPECIFICATIONS 5~6
INTERNAL VIEW 7
DISASSEMBLY PROCEDURES 7
SELF DIAGNOSIS FUNCTION 8~19
FACTORY PRESET 20
AMP ADJUSTMENT . 21

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This Service Manual uses recycled paper.

IC DATA 26~35
DISPLAY DATA 36
BLOCK DIAGRAM 37~39
PRINTED CIRCUIT BOARD . . 40~55
SCHEMATIC DIAGRAM 56~63
PARTS LIST 64~79
PRINTED CIRCUIT BOARD 80~81
REMOTE CONTROL TRANSMITTER 82

.YAMAHA

WOMAHA CORPORATION
OBox1 Hamamalquapan

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RX-V595/R-V905/RX-V595RDS

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

. AC LEAKAGE
Installed. WALL EQUIPMENT TESTER OR
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 insulated from supply GD D- -
circuits. J_-

' Meter impedance should be equivalent to 1500 ohm shunted by 0t15uF.
' Leakage current must not exceed 0.5mA.

- Be sure to test for leakage with the AC plug in both polarities INS-IIALBTENG
"CAUTION"
"F804: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 8.0A, 250V FUSE.
CAUTION
,A J F804: REPLACE WITH SAME TYPE 8.0A, 250V FUSE
ATTENTION

F804: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8.0A, 250V 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 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.

I REMOTE CONTROL PANELS

V U,C,R,T and L models V AB and G models

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