Inhaltsverzeichnis
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GRUNDIG Service
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
nummer 720108000000, sowie zusätzlich die eventu-
ell abweichenden, landesspezifischen Vorschriften!
Inhaltsverzeichnis
Allgemeiner Teil ................................... 1-2...1-6
Messgeräte / Messmittel .............................................................. 1-2
Technische Daten ........................................................................ 1-3
Servicehinweise ........................................................................... 1-4
Ausbauhinweise ........................................................................... 1-4
Software-Upgrade ........................................................................ 1-6
Initialisierung des Gerätes ........................................................... 1-6
Service- und Sonder-Funktionen ........ 2-1...2-2
Servicemenü ................................................................................ 2-1
Platinenabbildungen
und Schaltpläne ................................. 3-1...3-26
Verdrahtungsplan ......................................................................... 3-1
Blockschaltplan ............................................................................ 3-2
Oszillogramme ............................................................................. 3-3
Steckerübersicht .......................................................................... 3-5
Hauptplatte ................................................................................... 3-6
• Hauptschaltplan (M1) ................................................................ 3-8
• Frontend (M2) ........................................................................... 3-9
• FLASH (M3) ............................................................................ 3-10
• SDRAM (M4) ........................................................................... 3-10
• Audio (M5) .............................................................................. 3-11
• Video (M6) .............................................................................. 3-12
• Interface (M7) .......................................................................... 3-13
Netzteil ....................................................................................... 3-14
Bedieneinheiten ......................................................................... 3-16
IC-Blockdiagramme ................................................................... 3-18
Explosionszeichnung
und Ersatzteillisten .............................. 4-1...4-4
Allgemeiner Teil
Messgeräte / Messmittel
Regeltrenntrafo
Zweikanaloszilloskop
Digitalmultimeter
The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
number 720108000000, as well as the respective
national deviations.
Table of Contents
Seite
General Section .................................... 1-2...1-6
Test Equipment / Jigs .................................................................. 1-2
Specifications ............................................................................... 1-3
Service Instructions ...................................................................... 1-4
Disassemly Instructions ............................................................... 1-4
Software Upgrade ........................................................................ 1-6
Initialization of the Set .................................................................. 1-6
Service and Special Funtions ............. 2-3...2-4
Service Menu ............................................................................... 2-3
Layout of PCBs
and Circuit Diagrams ......................... 3-1...3-26
Wiring Diagram ............................................................................ 3-1
Block Circuit Diagram .................................................................. 3-2
Oscillograms ................................................................................ 3-3
Connection Overview ................................................................... 3-5
Main Board ................................................................................... 3-6
• Main Circuit Diagram (M1) ........................................................ 3-8
• Frontend (M2) ........................................................................... 3-9
• FLASH (M3) ............................................................................ 3-10
• SDRAM (M4) ........................................................................... 3-10
• Audio (M5) .............................................................................. 3-11
• Video (M6) .............................................................................. 3-12
• Interface (M7) .......................................................................... 3-13
Power Supply ............................................................................. 3-14
Keyboard Control Units .............................................................. 3-16
IC Block Diagrams ..................................................................... 3-18
Exploded View and
Spare Parts Lists ................................. 4-1...4-4
General Section
Test Equipment / Jigs
Variable isolating transformer
Dual channel oscilloscope
Digital multimeter
1 - 2
Xenaro - GDP 42...
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