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GRUNDIG Service
Allgemeiner Teil / General
GV 54…, GV 56…, SE 5106…
GB
Table of Contents
Page
General ................................................. 1-1…1-30
Video Recorder Overview ................................................................... 1-3
Test Equipment / Aids ......................................................................... 1-5
Specifications ...................................................................................... 1-5
Operating Elements .......................................................................... 1-14
Service Instructions ........................................................................... 1-22
Service Test Programme and Special Functions .............................. 1-27
Descriptions .......................................... 2-1…2-22
Power Supply (OSM / PS) .................................................................. 2-1
Family Board (OFBG) ......................................................................... 2-3
• Sequence Control (CC) ................................................................... 2-3
• Frontend (FE) ................................................................................... 2-6
• IN/OUT (IO) ...................................................................................... 2-7
• Audio (AU) ....................................................................................... 2-8
• OSD Module (OOSDG / OS) ......................................................... 2-10
Family Board II (OKV++G) ................................................................ 2-11
• Drive Control / Deck Electronic (DE) .............................................. 2-11
• Video/Chroma (VS) ........................................................................ 2-13
• Head Amplifier (HC) ....................................................................... 2-16
Teletext Modul "DOS" (OVPTG / VT) ............................................... 2-17
NICAM-Decoder (ONI / NI) .............................................................. 2-18
Edit Control Modul (OLBG / EC) ....................................................... 2-19
Keyboard Control Units (ODCG / DC) .............................................. 2-20
Adjustment Procedures ......................... 3-5…3-8
Power Supply (OSM / PS) .................................................................. 3-5
Family Board (OFBG) ......................................................................... 3-5
• Sequence Control (CC) ................................................................... 3-5
• Frontend (FE) ................................................................................... 3-6
• IN/OUT (IO) ...................................................................................... 3-6
• Audio (AU) ....................................................................................... 3-7
• OSD Module (OOSDG / OS) ........................................................... 3-7
Family Board II (OKV++G) .................................................................. 3-8
• Video/Chroma (VS) .......................................................................... 3-8
Teletext Modul "DOS" (OVPTG / VT) ................................................. 3-8
Layout of the PCBs
and Circuit Diagrams .......................... 4-1…4-96
Note on the Components / Circuit Diagram Symbols ......................... 4-1
Wiring Diagrams ................................................................................. 4-7
Block Circuit Diagrams (Power Supply, Digital, Video/Chroma, Audio) ..... 4-19
Power Supply (OSM / PS) ................................................................ 4-27
Family Board (OFBG) ....................................................................... 4-31
• Sequence Control (CC) ................................................................. 4-35
• VPS (VP) ........................................................................................ 4-38
• Frontend (FE) ................................................................................. 4-39
• IN/OUT (IO) .................................................................................... 4-43
• Audio (AU) ..................................................................................... 4-46
• OSD Module (OOSDG / OS) ......................................................... 4-49
Edit Control Module (OLBG / EC) ..................................................... 4-51
Tape Deck Sensor Panel .................................................................. 4-59
Family Board II (OKV++G) ................................................................ 4-53
• Drive Control / Deck Electronic (DE) .............................................. 4-61
• Video/Chroma (VS) ........................................................................ 4-65
• Head Amplifier (HC) ....................................................................... 4-69
Teletext Module "DOS" (OVPTG / VT) ............................................. 4-71
NICAM-Decoder (ONI / NI) ............................................................... 4-74
Keyboard Control Units (ODCG / DC) .............................................. 4-77
Oscillograms ..................................................................................... 4-93
Drive Mechanism ................................. 5-1…5-12
Test Equipment / Aids ......................................................................... 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-43
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................... 1-1…1-30
Geräteübersicht .................................................................................. 1-3
Meßgeräte / Meßmittel ........................................................................ 1-5
Technische Daten ............................................................................... 1-5
Bedienelemente .................................................................................. 1-6
Servicehinweise ................................................................................ 1-22
Servicetestprogramm und Sonderfunktionen .................................... 1-27
Beschreibungen .................................... 2-1…2-22
Netzteil (OSM / PS) ............................................................................. 2-1
Chassisplatte (OFBG) ......................................................................... 2-3
• Ablaufsteuerung (CC) ...................................................................... 2-3
• Empfangseinheit (FE) ...................................................................... 2-6
• IN/OUT (IO) ...................................................................................... 2-7
• Audio (AU) ....................................................................................... 2-8
• OSD-Baustein (OOSDG / OS) ....................................................... 2-10
Chassisplatte II (OKV++G) ............................................................... 2-11
• Laufwerksteuerung / Deck-Elektronik (DE) .................................... 2-11
• Video/Chroma (VS) ........................................................................ 2-13
• Kopfverstärker (HC) ....................................................................... 2-16
Teletext-Baustein "DOS" (OVPTG / VT) ........................................... 2-17
NICAM-Decoder (ONI / NI) ............................................................... 2-18
"Edit Control"-Baustein (OLBG / EC) ................................................ 2-19
Bedieneinheiten (ODCG / DC) .......................................................... 2-20
Abgleich .................................................. 3-1…3-4
Netzteil (OSM / PS) ............................................................................. 3-1
Chassisplatte (OFBG) ......................................................................... 3-1
• Ablaufsteuerung (CC) ...................................................................... 3-1
• Empfangseinheit (FE) ...................................................................... 3-2
• IN/OUT (IO) ...................................................................................... 3-2
• Audio (AU) ....................................................................................... 3-3
• OSD-Baustein (OOSDG / OS) ......................................................... 3-3
Chassisplatte II (OKV++G) ................................................................. 3-4
• Video/Chroma (VS) .......................................................................... 3-4
Teletext-Baustein "DOS" (OVPTG / VT) ............................................. 3-4
Platinenabbildungen
und Schaltpläne ................................... 4-1…4-96
Hinweise zu den Bauteilen / Schaltplansymbole ................................ 4-1
Verdrahtungspläne .............................................................................. 4-7
Blockschaltpläne (Netzteil, Digital, Video/Chroma, Audio) ............... 4-19
Netzteil (OSM / PS) ........................................................................... 4-27
Chassisplatte (OFBG) ....................................................................... 4-31
• Ablaufsteuerung (CC) .................................................................... 4-35
• VPS (VP) ........................................................................................ 4-38
• Empfangseinheit (FE) .................................................................... 4-39
• IN/OUT (IO) .................................................................................... 4-43
• Audio (AU) ..................................................................................... 4-46
• OSD-Baustein (OOSDG / OS) ....................................................... 4-49
"Edit Control"-Baustein (OLBG / EC) ................................................ 4-51
Laufwerkplatte – Sensoreneinheit ..................................................... 4-59
Chassisplatte II (OKV++G) ............................................................... 4-53
• Laufwerksteuerung / Deck-Elektronik (DE) .................................... 4-61
• Video/Chroma (VS) ........................................................................ 4-65
• Kopfverstärker (HC) ....................................................................... 4-69
Teletext-Baustein "DOS" (OVPTG / VT) ........................................... 4-71
NICAM-Decoder (ONI / NI) ............................................................... 4-74
Bedieneinheiten (ODCG / DC) .......................................................... 4-77
Oszillogramme .................................................................................. 4-93
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-43