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