Yamaha ax 590

Page 1

STEREO INTEGRATED AMPLIFIER

SERVICE MAN UA u

I CONTENTS

TO SERVICE PERSONNEL
REAR PANEL ..
SPECIFICATIONS
DIMENSIONS
INTERNAL VIEW

DISASSMBLY PROCEDURE.........

MC-Service

IMPORTANT NOTICE

This manna] has been provided for me use oi anlhonzed YAMAHA Remlers and mm. service personncl
n has been assumm LIIBI basic service primedmes inhcmm to me indusuy. and more speafitally YAMAHA Produch an: already
known nnu undcrslond by in: users. and hm Ihcrefme rm been rcsmcd

WARNING:

Failun: ro ionow nppmprulc service and saI'uy pmcedmcs when sen/mug rm: producx may resuIl III pcrsmm]
inyury, dcslrwixon ni cxpenswc components. and ixuurc of me product in pelform as specified For lhese
masonx. we advise all YAMAHA pruduci owners um any 5mm: required suuuin be periorrrea by an
minor-rm YAMAHA Reuller or the appointed yen/ice rcpresemaiive

IMPORTANT: The presenuunu or sale urinis mannaI to any indivrdmd ur firm dues nm cunslmlw auihnnuiiuu, camicniimi
m recngnluon or any applicable lechnical capahihucs, orcsvahlish a pnncipIe-agcm reIAlionship or my term

The dala provlded' IS believed to be accume and appircable in me uniusy Indicated on me Covcr The research cnginetling and
sen/Ice dzparlmems ur YAMAHA are mum-runny slriung m improve YAMAHA pronucls

Modificanonsare iherefore IDCVIIaDIc and specuflcnnnnsare subjeci [0 change wiihnui notice 0! ObIlgalion w mmiii Should my
dlscmpaucy appear 10 exxsl pIease coninci rue disuihulm s Service Division.
WARNING: suuc discharges can demoy expensivi: componenm. Dlscharge any muc elaclnchy your body may have
uccumulawd by gwundlng youmrirrnrhc ground bus: I ma uuuihenvy gauge Mack wirmuumr in his buss)

IMPORTANT: Turn the unii on: durmg disasscmvly and um rcpincemem Rccneck all work hefurc yuu apply power to me
mm.

ADJUSTMENTS
BLOCK DIAGRAM .
PRINTED CIRCUIT BOARD
SCHEMATIC DIAGRAM .
PARTS LIST ..
REMOTE CONTROL TRANSMITTER ..

12,13
............14~22
23

#Aou-l

YAMAHA

YAMAHA CORPDRQT'ON
H a m a m a x s u J55

I.95K~86.5621§©Prinled in Japan '95-4

USS-XV

Page 2

AX-590

AX-590

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.

2. Leakage Current Measurement (For 120 V Model
Only).
When service has been completed. It is imperative
that you verify that all exposed conductive surfaces
are property insulated from supply circuits.

- Meter impedance should be equivalent to 1500 ohms
shunted by 0.15 uF.

' Leakage current must not exceed 0.5 mA.

0 Be sure to test for leakage with the AC plug in both
polarities.

EQUIPMENT AC LEAKAGE TESTER
UNDER TEST on EQUlVALENT
WALLT 1r
OUTLE INSULATING TABLE
I REAR PANELS

O R model

I WARNING: CHEMICAL CONTENT
NOTICE!

The solder used in the production of this product
contains LEAD. In addition, otherelectrical/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 WHAT SO
EVER!

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.

m,
* = @O