Yamaha htr 5250

Page 1

AV RECEIVER

RX-V596/HTR-525O
X-V596RDS

SERVICE MANUAL

IMPORTANT NOTICE

This manual has been provided tor ihe use of authorized YAMAHA Retailers and iheir service personnel.
II has been assumed ihai basic service procedures inherent to the industry. and more specifically YAMAHA
Products. are already known and understood by Ihe users. arid have theretore not been restated.

WARNING: Failure to follow appropriate service and saieiy procedures when servicing this product
may resuli in personal injury. desiruciion of expensive components. and failure ofihe
product to perform as specitied. For rhese reasons. we advise all YAMAHA produci
owners iliar any service required should be performed by an authorized YAMAHA
Reiailer or the appointed service represeuiative,

IMPORTANT:The preseniaiioii or sale of this manual io any individual of firm does not consiiiute
author-izauon, certification or i'ecogiiiiion of any applicable technical capabiliries,
or establish a priiicipleeagenl relarionship of any form

The dam prmlded is believed to be accuraie and applicable m Ihe fluids) indicated on the cover. The research.
engineering, and service departinenis of YAMAHA are conunually striving io improve YAMAHA products.
Modificalions are. Ilierefore. Ineviiable and specificailoiis are subject to change wiihoili notice or obligaiioii
io ieirolil. Sliould any discrepancy appear to exisi. please coriiacl ihe disiribuiors Service DIVISIOH.

WARNING: Siaiic discharges can destroy expensive components. Discharge any staiic electricity
your body may have accumulated by grounding youi'selfio the ground buss in ilre iiirit
(heavy gauge black wires conneci to this buss).

IMPORTANT: Tlini ihe unil OFF during disassembly and pan replacemeni, Reclreck all work before
you apply power lo the mill,

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

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This Service Manual uses recycled paper

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AMP ADJUSTMENT 21
TUNER ADJUSTMENT 22~25
IC DATA 26~34
DISPLAY DATA 35
BLOCK DIAGRAM . . 3G~39
PRINTED CIRCUIT BOARD 40~59
SCHEMATIC DIAGRAM 60~67
PARTS LIST 68~86
REMOTE CONTROL TRANSMITTER 87~88

.YAMAHA

YAMAHA CORPORATION
O..Box1 Hamamalsu. Japan

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RX-V596/HTR-5250/RX-V596RDS

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-afiTéNG
"CAUTION"
"F802: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 8.0A,125V FUSE."
ATI'ENTION
_ _ F802: UTILISER UN FUSIBLE DE FIECHANGE DE MEME TYPE DE 8.0A, 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

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