Yamaha av receiver rx v496 rds htr5240 rds

Page 1

AV RECEIVER
RX-V496/RX-V496RDS

HTR-5240/HTR-524ORDS

SERVICE MANUAL

IMPORTANT NOTICE

This manual has been provided tor the use at 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 theretore not been restated.

WARNING: Failure to tollow appropriate service and safety procedures when servicing this product
may result in personal injury. destruction of expemlve components. and failure of the
product to pertorm s specitieil. For these reasons. we adyise all YAMAHA product
owners that all) sei-yice required should be performed by an authorized YAMAHA
Retailer or the appointed service representative

IMPORTANT:The presentation or sale of this manual to any InleduAl of firm does not constitute
authorization. certificailon oi- recognition of any applicable technical capabilities.
or establish a pnnclplesagenl relationship of any form

The dam prmlded is believed to be accul'ale and applicable in Ihe fluids) mdlcated on the cm 61'. The research.
engineering, and selvlce departments of YAMAHA are continually striving to improve YAMAHA products.
Modificalions are. therefore. Inevitable and specificallons are subject to change wllhollt nolice or obllgmion
[0 retrofit Should any discrepancy appear to exist. please COIIIEICI Ihe distributors Service DIVISIOH.

WARNING: Static discharges can destroy expensive components. Discharge any static electricity
your body may have accumulated by grounding yourself) the ground buss in the unit
(heavy gauge black wires connect [0 this buss).

IMPORTANT: Turn the unit OFF during disassemhly and part replacement, Reclieclt all work betore
you apply power It) the null,

I CONTENTS

TO SERVICE PERSONNEL 1
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

:mfii 1:77:17nvlzt I 3 777§§Em§$fifl§fifi LTwETr
Thls Servlce Manual uses recycled paper

AMP ADJUSTMENT 21
TUNER ADJUSTMENT 22~25
IC DATA 26~34
DISPLAY DATA 35
BLOCK DIAGRAM . . 36~39
PRINTED CIRCUIT BOARD 40~59
SCHEMATIC DIAGRAM 6D~67
PARTS LIST 68~85
REMOTE CONTROL TRANSMITTER 86~87

.YAMAHA

Y%MAHA CORPORATION
O..Box1 Hamamatsu. Japan

Page 2

RX-V496/RX-V496RDS/HTR-5240/HTR-524ORDS

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 AC LEAKAGE
. 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 D- -
circuits. 01) J.-
- Meter impedance should be equivalent to 1500 ohm shunted by 015uFt _
- Leakage current must not exceed 0.5mA. '
' Be sure to test for leakage with the AC plug in both polarities. INS-IIJAfiTéNG
"CAUTION"
"F804: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 6.0A,125V FUSE."
ATI'ENTION
- - F804: UTILISER UN FUSIBLE DE FIECHANGE DE MEME TYPE DE 6.0A, 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 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,A and L models V B and G models

mm mm

@VAMAHA @VAMAHA
V V