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GRUNDIG Service-Technik
Allgemeiner Teil / General
GB
Table of contents
Page
General ............................................... 1-1…1-38
Video Recorder Overview ............................................................ 1-3
Test Equipment / Jigs .................................................................. 1-4
Specifications ............................................................................... 1-4
Chip Technology .......................................................................... 1-5
Safety Requirements ................................................................... 1-6
Safety Standard Requirements .................................................... 1-7
Abbreviations ............................................................................. 1-11
General Notes ............................................................................ 1-12
Service instructions .................................................................... 1-29
Servicetestprogram .................................................................... 1-35
Descriptions .......................................... 2-1…2-8
Power Supply (MSM1) ................................................................. 2-1
Family Board (MFB) ..................................................................... 2-1
• Sequence Control / Deckelectronic (DE) .................................. 2-1
• Frontend (FV) ............................................................................ 2-4
• Video / Chroma, In / Out (VSIO) ............................................... 2-5
• Standard Sound / Audio Linear (AL) ......................................... 2-7
Keyboard Control Unit .................................................................. 2-8
Adjustment Procedures ....................... 3-4…3-6
Power Supply (MSM1) ................................................................. 3-4
Family Board (MFB) ..................................................................... 3-4
• Sequence Control / Deckelectronic (DE) .................................. 3-4
• Frontend (FV) ............................................................................ 3-5
• Video / Chroma (VS) ................................................................. 3-5
• Standard Sound / Audio Linear (AL) ......................................... 3-6
Keyboard Control Unit .................................................................. 3-6
Layout of the P.C.B.
and Circuit Diagrams .......................... 4-1…4-2
Wiring Diagram ............................................................................ 4-1
Block Circuit Diagram (Analog) .................................................... 4-2
Block Circuit Diagram (Digital) ..................................................... 4-3
Power Supply (MSM1) ................................................................. 4-4
Tape Deck Sensor Panel ............................................................. 4-9
Family Board (MFB) ..................................................................... 4-6
• Sequence Control / Deckelectronic (DE) .................................. 4-8
• Frontend (FV) .......................................................................... 4-11
• Video / Chroma, In / Out (VS) ................................................. 4-12
• Standard Sound / Audio Linear (AL) ....................................... 4-14
Head Amplifier (LHA) ................................................................. 4-15
Keyboard Control Unit (MDCG1) ............................................... 4-17
Keyboard Control Unit (MDCB1) ................................................ 4-19
Oscillograms .............................................................................. 4-21
Drive Mechanism ............................... 5-1…5-10
Exploded Views and
Spare Parts List ................................. 6-1…6-26
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................. 1-1…1-38
Geräteübersicht ........................................................................... 1-3
Meßgeräte / Meßmittel ................................................................. 1-4
Technische Daten ........................................................................ 1-4
Chip-Technologie ......................................................................... 1-5
Sicherheitsvorschriften ................................................................. 1-6
Sicherheitsbestimmungen ............................................................ 1-7
Abkürzungen .............................................................................. 1-11
Bedienelemente ......................................................................... 1-12
Servicehinweise ......................................................................... 1-29
Servicetestprogramm ................................................................. 1-35
Beschreibungen .................................... 2-1…2-8
Netzteil (MSM1) ........................................................................... 2-1
Chassisplatte (MFB) .................................................................... 2-1
• Ablaufsteuerung / Deckelektronik (DE) .................................... 2-1
• Empfangseinheit (FV) ............................................................. 2-4
• Video / Chroma, In / Out (VSIO) ............................................. 2-5
• Standardton / Audio Linear (AL) ............................................... 2-7
Bedieneinheit ............................................................................... 2-8
Abgleich ................................................ 3-1…3-3
Netzteil (MSM1) ........................................................................... 3-1
Chassisplatte (MFB) .................................................................... 3-1
• Ablaufsteuerung / Deckelektronik (DE) ..................................... 3-1
• Empfangseinheit (FV) .............................................................. 3-2
• Video / Chroma (VS) ................................................................ 3-2
• Standardton / Audio Linear (AL) ............................................... 3-3
Bedieneinheit ............................................................................... 3-3
Platinenabbildungen
und Schaltpläne ................................. 4-1…4-22
Verdrahtungsplan ......................................................................... 4-1
Blockschaltplan (Analog) ............................................................. 4-2
Blockschaltplan (Digital) ............................................................... 4-3
Netzteil (MSM1) ........................................................................... 4-4
Laufwerkplatte – Sensoreneinheit ................................................ 4-9
Chassisplatte (MFB) .................................................................... 4-6
• Ablaufsteuerung / Deckelektronik (DE) .................................... 4-8
• Empfangseinheit (FV) ........................................................... 4-11
• Video / Chroma, In / Out (VS) ............................................... 4-12
• Standardton / Audio Linear (AL) ............................................. 4-14
Kopfverstärker (LHA) ............................................................... 4-15
Bedieneinheit (MDCG1) ............................................................ 4-17
Bedieneinheit (MDCB1) ............................................................ 4-19
Oszillogramme ........................................................................... 4-21
Laufwerk ............................................ 5-1…5-10
Explosionszeichnungen
und Ersatzteilliste .............................. 6-1…6-26
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