Yamaha dsp ax759

Page 1

AV RECEIVER/Av AMPLIFIER
X-V659/HTR-5960

DSP-AX759/DSP-AX75QSE

SERVICE MANUAL

IMPORTANT NOTICE

This manual has been provided for ihe use of authorized YAMAHA Reiailers 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 or firm does not constitute authorization. certification or
recognition of any applicable technical capabilities, or establish a principleragem 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 disifibuiofs 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 OFF duruig disassembly and part replacement. Recheck all work before you apply power to the unit.

I CONTENTS

T0 SERVICE PERSONNEL 2-3
FRONT PANELS.
REAR PANELS .
REMOTE CONTROL PANELS.

SPECIFICATIONS / fifiifi. 10-12
INTERNAL VIEW . 13
DISASSEMBLV PROCEDURES / fifiiiflfi 14-17

SELF DIAGNOSIS FUNCTION (DIAG) /
aerialfiiafiflsifi'fi) 18-42
AMP ADJUSTMENT / 7 Elem 4a

:®V*EX7:JTJDIL 1:777aimfiiifififfiffi btLETa
This Service Maflual uses recycled paper.

© 2005 YAMAHA CORPORATION All rights reserved.
This manual is copyrighted by VAMAHA and may not be copied or
redistributed either in print oreIecImnlcaHy Without permission.

DISPLAY DATA .
IC DATA
PIN CONNECTION DIAGRAM
BLOCK DIAGRAMS .
PRINTED CIRCUIT BOARDS
SCHEMATIC DIAGRAMS
REPLACEMENT PARTS LIST 91-120
REMOTE CONTROL............. 121
ADVANCED SETUP 122

44-45
46-55
56-57
59-61
62-78
79-89

fiYAMAHA

YAMAHA CORPORATION
P.O.Box 1. Hamamaisu, Japan
5! '06.02

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RX-V659lHTR-5960
DSP-AX759/DSP-AX7595E

I TO SERVICE PERSONNEL

1. Critical Components Information

Components having special characteristics are marked I WALL EQUIPMENT AI'CIIEIS-Tégpglf
and must be replaced with parts having specifications equal to OUTLET UNDER TEST EQUIVALENT
those originally installed.

2. Leakage Current Measurement (For 120V Models Only) ® 3-
When service has been completed, it is imperative to verily f

that all exposed conductive surfaces are properly insulated
from supply circuits.

INSULATING
0 Meter impedance should be equivalent to 1500 ohms shunted TABLE
by 0.15m?
o Leakage current must not exceed 0.5mA. 0 Be sure to test for leakage with the AC plug in both
polarities.
CAUTION

E9 F651, 652: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE
iAiV 10A, 125V FUSE."

CAUTION
F651, 652: REPLACE WITH SAME TYPE 10A, 125V FUSE.

ATTENTION
F651, 652: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 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 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.

About Lead Free Solder / fifid/VJfi'ICDLit

The P.C.Bs installed in this unit are soldered using the Aiflfilllséiéfltbtégiiim/\ysfldljlCiEifléhtm/Zuw?
following solder. [ETEEUJEDCQZ
SIDEA/Afi SlDEB/BE

DSP P.C.B. lead free solder / film/K)? lead free solder / $53.61 05"

OPERATION P.C.B. - lead free solder /,

MAIN P.C.B. - lead free solder /,

POWER P.C.B. - lead free solder/,

SUBTRANS P.C.B. - lead free solder / #36} \)S

VIDEO P.C.B. lead free solder / Attila/DQ' lead free solder / 31323.61 09'

Solder Dip

Side B MI FLOW Process

SMT REFLOW Process