Grundig GDR 6460 VCR, Service Manual

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GRUNDIG Service GDR 6460 VCR
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
nummer 720108000001, sowie zusätzlich die eventu-
ell abweichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
number 720108000001, as well as the respective
national deviations.
Table of Contents
Page
General Section .................................. 1-2…1-16
General Notes .............................................................................. 1-2
Technical Data ............................................................................. 1-3
Test Equipment / Jigs .................................................................. 1-3
Service Hints ................................................................................ 1-4
VCR Drive Mechanism ................................................................. 1-5
VCR Drive Mechanism Adjustment .............................................. 1-7
Operating Hints .......................................................................... 1-12
– Overview ................................................................................ 1-12
– Child lock ................................................................................ 1-14
– Special Settings ..................................................................... 1-15
System Informations .................................................................. 1-16
Software Upgrade ...................................................................... 1-16
Layout of PCBs and
Circuit Diagrams ................................ 2-1…2-38
Keyboard Control Units ................................................................ 2-1
Power Supply Board .................................................................... 2-4
Chassis Board .............................................................................. 2-6
– Sequence Control .................................................................. 2-12
– Video/Chroma, Standard Sound ............................................ 2-14
– HiFi Sound, IN/OUT ............................................................... 2-16
– ADC/DAC Converter .............................................................. 2-18
– Tuner, Frontend ..................................................................... 2-20
DVD-Board ................................................................................. 2-21
– Processor ............................................................................... 2-21
– Terminator .............................................................................. 2-23
– SDRAM .................................................................................. 2-24
– Interface ................................................................................. 2-25
– Flash, IDE Interface ............................................................... 2-26
– 1394 Firewire, USB (Option) .................................................. 2-27
– Power Supply ......................................................................... 2-28
– AD Converter ......................................................................... 2-28
Oszillograms .............................................................................. 2-29
Troubleshooting ......................................................................... 2-32
Expolded View
and Spare Parts Lists .......................... 3-1…3-4
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................. 1-2…1-16
Allgemeine Hinweise .................................................................... 1-2
Technische Daten ........................................................................ 1-3
Messgeräte / Messmittel .............................................................. 1-3
Service-Hinweise ......................................................................... 1-4
VCR-Laufwerk .............................................................................. 1-5
VCR-Laufwerk-Einstellungen ....................................................... 1-6
Bedienhinweise ............................................................................ 1-8
– Auf einen Blick ......................................................................... 1-8
– Kindersicherung ..................................................................... 1-10
– Sondereinstellungen .............................................................. 1-11
System-Informationen ................................................................ 1-16
Software-Upgrade ...................................................................... 1-16
Platinenabbildungen und
Schaltpläne ......................................... 2-1…2-38
Bedieneinheiten ........................................................................... 2-1
Netzteilplatte ................................................................................ 2-4
Chassisplatte ............................................................................... 2-6
– Ablaufsteuerung ..................................................................... 2-12
– Video/Chroma, Standard-Ton ................................................ 2-14
– HiFi-Ton, IN/OUT ................................................................... 2-16
– ADC/DAC-Converter .............................................................. 2-18
– Tuner, Frontend ..................................................................... 2-20
DVD-Platte ................................................................................. 2-21
– Prozessor ............................................................................... 2-21
– Terminator .............................................................................. 2-23
– SDRAM .................................................................................. 2-24
– Interface ................................................................................. 2-25
– Flash, IDE-Interface ............................................................... 2-26
– 1394 Firewire, USB (Option) .................................................. 2-27
– Netzteil ................................................................................... 2-28
– AD-Converter ......................................................................... 2-28
Oszillogramme ........................................................................... 2-29
Fehlersuchdiagramme ............................................................... 2-32
Explosionszeichnung
und Ersatzteillisten .............................. 3-1…3-4
General Section
General Notes
Before opening the cabinet disconnect the mains plug!
Attention: Observe the ESD safety regulations
Wiring
Before disconnecting any leads and especially the earth connecting
leads observe the way they are routed to the individual assemblies.
On completion of the repairs the leads must be laid out as originally
fitted at the factory to avoid later failures or disturbances.
Allgemeiner Teil
Allgemeine Hinweise
Vor dem Öffnen des Gehäuses den Netzstecker ziehen!
Achtung: ESD-Vorschriften beachten
Leitungsverlegung
Bevor Sie die Leitungen und insbesondere die Masseleitungen lösen,
muss die Leitungsverlegung zu den einzelnen Baugruppen beachtet
werden.
Nach erfolgter Reparatur ist es notwendig, die Leitungsführung wieder
in den werkseitigen Zustand zu versetzen um evtl. spätere Ausfälle
oder Störungen zu vermeiden.