Table Of Contents - Grundig GV 411-2 Service Manual

Allgemeiner Teil / General
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Sach-Num-
mer 72010-800.00, sowie zusätzlich die eventuell
abweichenden, landesspezifischen Vorschriften!
Inhaltsverzeichnis
D
Allgemeiner Teil ................................... 1-1...1-14
Geräteübersicht ........................................................................... 1-3
Meßgeräte / Meßmittel ................................................................. 1-4
Technische Daten ........................................................................ 1-4
Bedienelemente ........................................................................... 1-5
Servicehinweise ........................................................................... 1-7
Servicetestprogramm und Sonderfunktionen ............................. 1-11
Beschreibungen .................................... 2-1...2-10
Netzteil (NSM) .............................................................................. 2-1
Chassisplatte (OFB3) ................................................................... 2-1
• Ablaufsteuerung / Deck-Elektronik (DE) ................................... 2-1
• Empfangseinheit (FV) ............................................................... 2-3
• IN/OUT (IO) ............................................................................... 2-4
• Video / Chroma (VS) ................................................................. 2-4
• Audio (AF) ................................................................................. 2-7
NICAM-Decoder (ONIC) .............................................................. 2-9
Bedieneinheit (ODCE1) ............................................................. 2-10
Abgleich .................................................. 3-1...3-3
Netzteil (NSM) .............................................................................. 3-1
Chassisplatte (OFB3) ................................................................... 3-1
• Ablaufsteuerung / Deck-Elektronik (DE) ................................... 3-1
• Empfangseinheit (FV) ............................................................... 3-2
• Video / Chroma (VS) ................................................................. 3-2
• Audio (AF) ................................................................................. 3-3
Bedieneinheit (ODCE1) ............................................................... 3-3
Platinenabbildungen
und Schaltpläne ................................... 4-1...4-46
Abkürzungen ................................................................................ 4-1
Verdrahtungsplan ......................................................................... 4-3
Blockschaltpläne (Analog / Digital) .............................................. 4-5
Netzteil (NSM) ............................................................................ 4-11
Laufwerkplatte - Sensoreneinheit .............................................. 4-19
Chassisplatte (OFB3) ................................................................. 4-15
• Ablaufsteuerung / Deck-Elektronik (DE) ................................. 4-21
• Empfangseinheit (FV) ............................................................. 4-23
• IN/OUT (IO) ............................................................................. 4-25
• Video / Chroma (VS) ............................................................... 4-27
• Audio (AF) ............................................................................... 4-29
Chassisplatte II - IN/OUT II (OIO) ............................................. 4-32
NICAM-Decoder (ONIC) ............................................................ 4-34
Kopfverstärkerplatte (OHA) ........................................................ 4-37
• Kopfscheibenmotoransteuerung ............................................. 4-38
• Kopfverstärker ......................................................................... 4-39
Bedieneinheit (ODCE1) ............................................................. 4-41
Oszillogramme ........................................................................... 4-45
Laufwerk .............................................. 5-1...5-12
Meßgeräte / Meßmittel ................................................................. 5-1
Servicehinweise ........................................................................... 5-2
Auswechseln von Laufwerksteilen ............................................... 5-3
Einstellungen ............................................................................. 5-10
Explosionszeichnungen
und Ersatzteilliste ............................... E-1...E-13
1 - 2
The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
number 72010-800.00, as well as the respective
national deviations.

Table of Contents

GB
Seite
General ................................................. 1-1...1-14
Video Recorder Overview ............................................................ 1-3
Test Equipment / Jigs .................................................................. 1-4
Specifications ............................................................................... 1-4
Operating Elements ..................................................................... 1-6
Service Instructions ...................................................................... 1-7
Service Test Programme and Special Functions ....................... 1-11
Descriptions .......................................... 2-1...2-10
Power Supply (NSM) ................................................................... 2-1
Family Board (OFB3) ................................................................... 2-1
• Sequence Control / Deck Electronic (DE) ................................. 2-1
• Frontend (FV) ............................................................................ 2-3
• IN/OUT (IO) ............................................................................... 2-4
• Video / Chroma (VS) ................................................................. 2-4
• Audio (AF) ................................................................................. 2-7
NICAM Decoder (ONIC) .............................................................. 2-9
Keyboard Control Unit (ODCE1) ................................................ 2-10
Adjustment Procedures ......................... 3-4...3-6
Power Supply (NSM) ................................................................... 3-4
Family Board (OFB3) ................................................................... 3-4
• Sequence Control / Deck Electronic (DE) ................................. 3-4
• Frontend (FV) ............................................................................ 3-5
• Video / Chroma (VS) ................................................................. 3-5
• Audio (AF) ................................................................................. 3-6
Keyboard Control Unit (ODCE1) .................................................. 3-6
Layout of the PCBs
and Circuit Diagrams .......................... 4-1...4-46
Abbreviations ............................................................................... 4-1
Wiring Diagram ............................................................................ 4-3
Block Circuit Diagrams (Analog / Digital) ..................................... 4-5
Power Supply (NSM) ................................................................. 4-11
Tape Deck Sensor Panel ........................................................... 4-19
Family Board (OFB3) ................................................................. 4-15
• Sequence Control / Deck Electronic (DE) ............................... 4-21
• Frontend (FV) .......................................................................... 4-23
• IN/OUT (IO) ............................................................................. 4-25
• Video / Chroma (VS) ............................................................... 4-27
• Audio (AF) ............................................................................... 4-29
Family Board II - IN/OUT II (OIO) .............................................. 4-32
NICAM Decoder (ONIC) ............................................................ 4-34
Head Amplifier Board (OHA) ...................................................... 4-37
• Head Amplifier ........................................................................ 4-38
• Headwheel Motor Control ....................................................... 4-39
Keyboard Control Unit (ODCE1) ................................................ 4-41
Oscillograms .............................................................................. 4-45
Drive Mechanism ................................. 5-1...5-12
Test Equipment / Jigs .................................................................. 5-1
Service Instructions ...................................................................... 5-2
Replacement of Tape Deck Components .................................... 5-3
Adjustments ............................................................................... 5-10
Exploded Views and
Spare Parts List .................................. E-1...E-13
GV 411-2
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GRUNDIG Service