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Allgemeiner Teil / General Section
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
nummer 72010 800 0000, sowie zusätzlich die even-
tuell abweichenden, landesspezifischen Vorschriften!

Inhaltsverzeichnis

D
Allgemeiner Teil ................................. 1-3...1-20
Geräteübersicht ........................................................................... 1-3
Meßgeräte / Meßmittel ................................................................. 1-4
Technische Daten ........................................................................ 1-4
Bedienhinweise ............................................................................ 1-5
Servicehinweise ......................................................................... 1-19
Fehlerdiagnoseprogramm ............................ 2-1
Abgleichvorschriften .................................... 3-1
und Schaltpläne ................................. 4-1...4-32
Verdrahtungsplan ......................................................................... 4-1
Blockschaltpläne .......................................................................... 4-3
• Netzteil ...................................................................................... 4-3
• Digital ........................................................................................ 4-4
• Video/Chroma ........................................................................... 4-7
• Audio ......................................................................................... 4-9
• IN/OUT ...................................................................................... 4-9
CP-1: Chassisplatte ................................................................... 4-11
• Oszillogramme ........................................................................ 4-14
• PW-A:
Netzteil ............................................................... 4-17
• SY-A:
Empfangseinheit ................................................. 4-18
• SY-A/MC-A: Laufwerksteuerung ............................................. 4-19
• TM-A:
Bedieneinheit ...................................................... 4-23
• VA-A:
Video/Chroma/Audio .......................................... 4-25
• AD-A:
Interface ............................................................. 4-27
• TC-A:
VPS/PDC ............................................................ 4-22
TM-1: Bedienplatte ..................................................................... 4-22
TB-1: Buchsenplatte .................................................................. 4-29
TN-3: Stereo Decoder ................................................................ 4-31
TN-6: NICAM Decoder ............................................................... 4-32
Laufwerk ............................................. 5-1...5-15
Meßgeräte / Meßmittel ................................................................. 5-1
Reinigung ..................................................................................... 5-1
Wartung und Überprüfung des Laufwerks ................................... 5-2
Bezeichnung der wichtigsten Laufwerksteile ............................... 5-2
Überprüfung der Laufwerksfunktionen ......................................... 5-4
Servicetestmode der Laufwerksfunktionen .................................. 5-4
Übersicht der Laufwerksfunktionen .............................................. 5-5
Auswechseln von Laufwerksteilen ............................................... 5-6
Einstellungen ............................................................................. 5-14
und Ersatzteillisten .............................. 6-1...6-8
1 - 2
The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
number 72010 800 0000, as well as the respective
national deviations.
Table of Contents
GB
Seite
General Section .................................. 1-3...1-20
Video Recorder Overview ............................................................ 1-3
Test Equipment / Jigs .................................................................. 1-4
Specifications ............................................................................... 1-4
Operating Hints .......................................................................... 1-12
Service Instructions .................................................................... 1-19
Diagnostic Programme ................................. 2-2
Adjustment Procedures ................................ 3-2
Layout of the PCBs
and Circuit Diagrams ......................... 4-1...4-32
Wiring Diagram ............................................................................ 4-1
Block Circuit Diagram .................................................................. 4-3
• Power Supply ............................................................................ 4-3
• Digital ........................................................................................ 4-4
• Video/Chroma ............................................................................. 4-7
• Audio ......................................................................................... 4-9
• IN/OUT ...................................................................................... 4-9
CP-1: Chassis Board ................................................................. 4-11
• Oscillograms ........................................................................... 4-14
• PW-A:
Power Supply ..................................................... 4-17
• SY-A:
Frontend ............................................................. 4-18
• SY-A/MC-A: Drive Control ...................................................... 4-19
• TM-A:
Keyboard Control ............................................... 4-23
• VA-A:
Video/Chroma/Audio ........................................... 4-25
• AD-A:
Interface ............................................................. 4-27
• TC-A:
VPS/PDC ............................................................ 4-22
TM-1: Keyboard Control ............................................................. 4-22
TB-1: Socket Board .................................................................... 4-29
TN-3: Stereo Decoder ................................................................ 4-31
TN-6: NICAM Decoder ............................................................... 4-32
Drive Mechanism .............................. 5-16...5-30
Test Equipment / Jigs ................................................................ 5-16
Cleaning ..................................................................................... 5-16
Maintenance and Inspection of the Drive Mechanism ............... 5-17
Names of the Main Mechanical Parts ........................................ 5-17
Checking the Mechanism Mode Positions ................................. 5-19
Operating the Mechanism in the Service Test Mode ................. 5-19
Overview of Operating Modes ................................................... 5-20
Replacing Parts of the Drive Mechanism ................................... 5-21
Adjustments ............................................................................... 5-29
Spare Parts Lists .................................. 6-1...6-8
GV 94 ...
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GRUNDIG Service

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Gv 94 nicG.mh 2600G.mh 2700

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