Yamaha dsp az1

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AV RECEIVER/AV AMPLIFIER

X-Z1/DSP-AZ1

For the details of RAV200021 (U, C models), refer to the
RAV2000 SERVICE MANUAL #100770.

SER E MANU

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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 or 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 principleragent 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 OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

Please note that no program is written into the
microprocessor supplied for servicing. Therefore, it is
necessary to write the program when the microprocessor
is replaced. (For the details, refer to "UPDATING
FIRMWARE".)

I CONTENTS

TO SERVICE PERSONNEL .
IMPEDANCE SELECTOR .
FRONT PANELS

REAR PANELS ..
REMOTE CONTROL

SPECIFICATIONS.

INTERNAL VIEW .. . 10
DISASSEMBLY PROCEDURES / fifiT-JIEE ......... 11~13
SELF DIAGNOSIS FUNCTION (DIAG) /

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AMP ADJUSTMENT / egg... ..... 43

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Thts Service Manual uses recycled paper

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DISPLAY DATA .
IC DATA
BLOCK DIAGRAM

PRINTED CIRCUIT BOARD . . 70~99
PIN CONNECTION DIAGRAM . 100~101
SCHEMATIC DIAGRAM . . 102~111
PARTS LIST .......... . 112~173
REMOTE CONTROL. .. 174~177
UPDATING FIRMWARE /

77-A7170Efififi5fi ................................. 178~184

YAMAHA

YAMAHA CORPORATION

P.O.Box 1. Hamamatsu, Japan

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RX-Z1/DSP-AZ1

I TO SERVICE PERSONNEL AC LEAKAGE
WALL EQUIPMENT TESTER OR
.Critical Components Information OUTLET UNDER TEST EQUIVALENT
Components having special characteristics are marked l?
and must be replaced with parts having specifications equal
to those originally installed. ® D-
2. Leakage Current Measurement (For 120V Models Only) J_-
When service has been completed, it is imperative to verify T
that all exposed conductive surfaces are properly insulated INSTLXQJENG
from supply circuits.
0 Meter impedance should be equivalent to 1500 ohm shunted ° Leakage current must 0 exceed 0.5mA.
by 0.15pF. 0 Be sure to test for leakage with the AC plug in both polarities.

CAUTION"
:43"? F701, 702: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 6A, 125V FUSE."
T T F751:FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 12A, 250V FUSE."
F7521FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5A, 125V FUSE.
CAUTION
F701, 702: REPLACE WITH SAME TYPE 6A, 125V FUSE.
F751: REPLACE WITH SAME TYPE 12A, 250V FUSE.
F752: REPLACE WITH SAME TYPE 5A, 125V FUSE.

ATTENTION

F701, 702: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 6A,125V.
F751: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 12A, 250V.
F752: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 5A, 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 REA-
SON 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 IMPEDANCE SELECTOR

IMPEDANCE SELECTOR

WARNING:

Do not change the IMPEDANCE SELECTOR
switch setting while the power to this unit is
on, othenlvise this unit may be damaged.

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