Hitachi AX-M79 User manual
CAUTION:
Before servicing this chassis, it is important that the service technician read the “Safety
Precautions” and “Product Safety Notices” in this service manual.
ATTENTION:
Avant d’effectuer l’entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise“ und „Hinweise
zur Produktsicherheit“ in diesem Wartungshandbuch zu lesen.
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Data contained within this Service
manual is subject to alteration for
improvement.
Les données fournies dans le présent
manuel d’entretien peuvent faire l’objet
de modifications en vue de perfectionner
le produit.
Die in diesem Wartungshandbuch
enthaltenen Spezifikationen können sich
zwecks Verbesserungen ändern.
«MODEL NAMES»
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SM0092
AX-M79
October 2005
Service manual
AX-M79
）
Contents
1．Triode integratedcircuitsoutline drawing-------------------------------1
2．Debugelement scheme --------------------------------------------------------2
3．Troubleshooting checklist---------------------------------------------------3-4
4．Itemsofsafetyattention------------------------------------------------------5-7
5．Fundamentalblockscheme --------------------------------------------------8
6．PCB layout ----------------------------------------------------------------------9-12
7．Elementslayout ----------------------------------------------------------------13-16
8．Wiringdiagram-----------------------------------------------------------------17
9．Explodedview--------------------------------------------------------------------18
10．Specification---------------------------------------------------------------------19-23
11．Part list ------------------------------------------------------------------------24-41
Thisservice manualisjustforyourreference (it justcontainsa
littleservice contentsanditemsofsafetyattentionandtheuseof
technicalservice isuptotheservice levelofrepairmanhimself),ifany
changeswewon tinform.
PDF 件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
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Wiring diagram
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NE-1501DVD
KNOBPCB
TRIMMINGPIECE
EQKNOB
DECORDERPCB
TUNINGBOX
FRONTCOVERLENS(D)
FRONTCOVERLENS(U)
DVDDOOR
SCREWPOLE
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BUTTON
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DIGITALDECODEROTARY
KNOB
PLASTICFRONTCOVER
BUTTON
PHONEJACK
VFDCONTROLBOARD
AMPBOARD
MECHANISMHOLDER
BOTTOMCOVER
DVDMECHANISM
DVDDECODEBOARD
TRANSFORMER
AUDIOINPUTJACK
HEATSINK
ACCORD
BACKCOVER
TRANSFORMERHOLDER
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