Yamaha ax 630

Page 1

STEREO INTEGRATED AMPLIFIER

AX-630

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IMPORTANT NOTICE

This manual has been provtded for the use at authDrIzed Yamaha Retarlers and therr sen/Ice
personneI It has been assumed that baSIC ServICe procedures Inherent to the Industry, and
more SpeCIIICaIIy Yamaha Products, are already known and understood by the users, and
have thereIore not been restated.

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WARNING: FaIlure to foIlow appropriate 59mm and safety procedures when serVIcIng I
thIs product may result In nflrfinnaI Injurv dtthIclIotI ot expensrve compn- I
nents and taIlure at the product In trrrItIrrn m specut-ed For those reasons we I
dame all Vdmaha pmdw owners that aII service required shDuId he I
pertormed hv an duthtmipd Vamana RetaIIer or the appomted sen/Ice
representatrvp

constrtute authorizatton, certrfrcazron or recognltlon at any appIIcabIe techmc
a' capaDIlItIeS. or establIsh a prmcrpleagem relatIorTshIp or any IorrTI

The data prDvIded IS behaved to be accurate and appIIcabIe to the unIIIsI Indicated on the
cayer, The research, engmeermg, and servIce departments or Yamaha drv «oIItIrItrde
Strwtng to Improve Yamaha products. ModmcatIons are therelore, InLVIIaIJIS and speCIhca
tIOIIs arv Sutmattt I0 rrrange wrttmut notice or OhIIgaIIOn to retroIIt ShouId any mscrepancy
appear [0 cxIsI, pILuISI ItIlIldcl the (Ilstrlhulor's Servrcc- DIvtston

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I
IMPORTANT The presentatlon or saIe or ItIIs manual to any IrIdIvIrIuaI or MRI does not I
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WARNING Stan: drscnarges can destroy expenswe components Drscharge any StatII:
electncrty you hndy may rmvn Jnummiawn hy grmrmtmq yourseII m the
ground buss In mp mm mmyy tmuqt Mack wrres Emmet" :0 IhIs btrssI

I
IMPORTANT Turn rne \IIHI on during drsassembv and parts repracenmnr Ream-m ..II
wont behre you appIy power to the um! I

l CONTENTS '7

TO SERVICE PERSONNEL- ADJUSTMENTS ----------
REAR PANELS .............................. 1 IC BLOCK ________
INTERNAL VIEW WIRING .. ...........
SPECIFICATIONS-- PRINTED CIRCUIT BOARD -------- 8 13
BLOCK DIAGRAM ~ PARTS LIST ------------------------- 15-23
. DISASSEMBLY PROCEDURES 5

YAMAHA

YAMAHA ( URN WAIK IN
PO Box 1. Hdnunutse Japan

3.7K822 @ Printed in Japan 89.?)