1 - 2 GRUNDIG Service-Technik
Allgemeiner Teil / General GV44…, GV45…, GV46…
Es gelten die Vorschriften und Sicherheitshin-
weise gemäß dem Service Manual "Sicherheit",
Sach-Nummer 72010-800.00, sowie zusätzlich
die eventuell abweichenden, landesspezifischen
Vorschriften!
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.
GB
Table of Contents
Page
General ............................................... 1-1…1-68
Video Recorder Overview.............................................................. 1-3
Test Equipment / Jigs ....................................................................1-4
Specifications................................................................................. 1-4
Operating Elements .....................................................................1-33
Service Instructions......................................................................1-61
Service Test Programme and Special Functions......................... 1-65
Descriptions........................................ 2-1…2-16
Power Supply (PS).........................................................................2-1
Family Board.................................................................................. 2-2
• Sequence Control / Deckelectronic (DE) ....................................2-2
• Teletext "DOS" (OS) ...................................................................2-5
• Frontend (FE).............................................................................. 2-6
• Video / Chroma (VS)................................................................... 2-7
• FM-Sound (AF) .........................................................................2-10
• Standard Sound / Audio Linear (AL) .........................................2-11
• IN/OUT (IO)............................................................................... 2-12
NICAM Decoder (NI).................................................................... 2-13
Keyboard Control Units (DC) .......................................................2-14
Adjustment Procedures....................... 3-5…3-8
Power Supply (PS).........................................................................3-5
Family Board.................................................................................. 3-5
• Sequence Control / Deckelectronic (DE) ....................................3-5
• Teletext "DOS" (OS) ...................................................................3-6
• Frontend (FE).............................................................................. 3-6
• Video / Chroma (VS)................................................................... 3-7
• FM-Sound (AF) ...........................................................................3-8
• Standard Sound / Audio Linear (AL) ...........................................3-8
Layout of the P.C.B.
and Circuit Diagrams........................ 4-1…4-44
Note on the Components / Circuit Diagram Symbols ....................4-1
Wiring Diagram.............................................................................. 4-6
Block Circuit Diagrams (Analog / Digital)....................................... 4-8
Power Supply (PS).......................................................................4-12
Tape Deck Sensor Panel............................................................. 4-20
Family Board................................................................................ 4-15
• Sequence Control / Deckelectronic (DE) ..................................4-18
• Teletext "DOS" (OS) .................................................................4-21
• Frontend (FE)............................................................................ 4-22
• Video / Chroma (VS)................................................................. 4-24
• FM-Sound (AF) .........................................................................4-26
• Standard Sound / Audio Linear (AL) .........................................4-28
• IN/OUT (IO)............................................................................... 4-30
NICAM Decoder (NI).................................................................... 4-32
Tuner............................................................................................4-33
Head Amplifier (HV/HA)............................................................... 4-34
Keyboard Control Unit I – GV44…/ GV45… (DC) ...................... 4-36
Keyboard Control Unit I – GV46… (DC)...................................... 4-39
Keyboard Control Unit II...............................................................4-41
Remote Control RP30.................................................................. 4-42
Remote Control RP33/ RP35 ......................................................4-43
Oscillograms................................................................................ 4-44
Drive Mechanism............................... 5-1…5-10
Exploded Views and
Spare Parts List ................................. 6-1…6-20
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil................................. 1-1…1-68
Geräteübersicht .............................................................................1-3
Meßgeräte / Meßmittel................................................................... 1-4
Technische Daten.......................................................................... 1-4
Bedienelemente............................................................................. 1-5
Servicehinweise........................................................................... 1-61
Servicetestprogramm und Sonderfunktionen...............................1-65
Beschreibungen.................................. 2-1…2-16
Netzteil (PS)................................................................................... 2-1
Chassisplatte .................................................................................2-2
• Ablaufsteuerung / Deckelektronik (DE)....................................... 2-2
• Teletext "DOS" (OS) ...................................................................2-5
• Empfangseinheit (FE) .................................................................2-6
• Video / Chroma (VS)................................................................... 2-7
• FM-Ton (AF) .............................................................................2-10
• Standardton / Audio Linear (AL) ...............................................2-11
• IN/OUT (IO)............................................................................... 2-12
NICAM-Decoder (NI)....................................................................2-13
Bedieneinheiten (DC)...................................................................2-14
Abgleich ................................................ 3-1…3-4
Netzteil (PS)................................................................................... 3-1
Chassisplatte .................................................................................3-1
• Ablaufsteuerung / Deckelektronik (DE)....................................... 3-1
• Teletext "DOS" (OS) ...................................................................3-2
• Empfangseinheit (FE) .................................................................3-2
• Video / Chroma (VS)................................................................... 3-3
• FM-Ton (AF) ...............................................................................3-4
• Standardton / Audio Linear (AL) .................................................3-4
Platinenabbildungen
und Schaltpläne ................................. 4-1…4-44
Hinweise zu den Bauteilen / Schaltplansymbole ...........................4-1
Verdrahtungsplan...........................................................................4-6
Blockschaltpläne (Analog / Digital) ................................................4-8
Netzteil (PS)................................................................................. 4-12
Laufwerkplatte – Sensoreneinheit................................................4-20
Chassisplatte ...............................................................................4-15
• Ablaufsteuerung / Deckelektronik (DE)..................................... 4-18
• Teletext "DOS" (OS) .................................................................4-21
• Empfangseinheit (FE) ...............................................................4-22
• Video / Chroma (VS)................................................................. 4-24
• FM-Ton (AF) .............................................................................4-26
• Standardton / Audio Linear (AL) ...............................................4-28
• IN/OUT (IO)............................................................................... 4-30
NICAM-Decoder (NI)....................................................................4-32
Tuner............................................................................................4-33
Kopfverstärker (HV/HA) ...............................................................4-34
Bedieneinheit I – GV44…/ GV45… (DC) ....................................4-36
Bedieneinheit I – GV46… (DC).................................................... 4-39
Bedieneinheit II............................................................................ 4-41
Fernbedienung RP30................................................................... 4-42
Fernbedienung RP33/ RP35 .......................................................4-43
Oszillogramme............................................................................. 4-44
Laufwerk ............................................ 5-1…5-10
Explosionszeichnungen
und Ersatzteilliste .............................. 6-1…6-20