Inhaltsverzeichnis - Grundig GV 27 Servicehandbuch

Allgemeiner Teil / General Section
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...1-12
Geräteübersicht ........................................................................... 1-3
Meßgeräte / Meßmittel ................................................................. 1-5
Technische Daten ........................................................................ 1-5
Bedienelemente ........................................................................... 1-7
Servicehinweise ........................................................................... 1-9
Servicetestprogramm
und Sonderfunktionen .........................2-1...2-3
Abgleichvorschriften ........................... 3-1...3-2
Chassisplatte (QMB) .................................................................... 3-1
• Netzteil (PS) .............................................................................. 3-1
• Bedieneinheit (DC) .................................................................... 3-1
• Laufwerksteuerung / Deck-Elektronik (DE) ............................... 3-1
• Empfangseinheit (FV) ............................................................... 3-2
• Video/Chroma (VS, VS-S) ........................................................ 3-2
• Standardton (AL) ....................................................................... 3-2
Platinenabbildungen
und Schaltpläne ................................ 4-1...4-40
Abkürzungen ................................................................................ 4-1
Verdrahtungsplan ......................................................................... 4-3
Blockschaltpläne .......................................................................... 4-4
• Netzteil / Bus-System ................................................................ 4-4
• Video/Chroma ........................................................................... 4-7
• Standardton ............................................................................ 4-10
• FM-Ton ................................................................................... 4-11
• Digital ...................................................................................... 4-13
Chassisplatte (QMB) .................................................................. 4-15
• Empfangseinheit (FV) ............................................................. 4-21
• OSD (OS) ................................................................................ 4-24
• Follow-TV (FM) ....................................................................... 4-24
• VPS/PDC (VP) ........................................................................ 4-24
• Video/Chroma (VS) ................................................................. 4-25
• Standardton (AL) ..................................................................... 4-25
• IN/OUT (IO) ............................................................................. 4-27
• SECAM-L (VS-S) .................................................................... 4-28
• FM-Ton (AF) ........................................................................... 4-29
• Kopfverstärker (HA) ................................................................ 4-30
• Netzteil (PS) ............................................................................ 4-31
• Laufwerksteuerung / Deck-Elektronik (DE) ............................. 4-33
• Bedieneinheit (DC) .................................................................. 4-35
NICAM-Decoder (QNIC) ............................................................ 4-36
Oszillogramme ........................................................................... 4-38
Laufwerk ............................................. 5-1...5-12
Meßgeräte / Meßmittel ................................................................. 5-1
Servicehinweise ........................................................................... 5-2
Auswechseln von Laufwerksteilen ............................................... 5-3
Einstellungen ............................................................................. 5-10
Explosionszeichnungen
und Ersatzteillisten ............................ 6-1...6-20
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 Section .................................. 1-1...1-12
Videorecorder Overview .............................................................. 1-3
Test Equipment / Jigs .................................................................. 1-5
Specifications ............................................................................... 1-5
Operating Hints ............................................................................ 1-7
Service Instructions ...................................................................... 1-9
Service Test Programme
and Special Functions ......................... 2-4...2-6
Adjustment Procedures....................... 3-3...3-4
Chassis Board (QMB) .................................................................. 3-3
• Power Supply (PS) .................................................................... 3-3
• Keyboard Control Unit (DC) ...................................................... 3-3
• Deck Control / Deck Electronic (DE) ......................................... 3-3
• Frontend (FV) ............................................................................ 3-4
• Video/Chroma (VS, VS-S) ........................................................ 3-4
• Standard Sound (AL) ................................................................ 3-4
Layout of the PCBs
and Circuit Diagrams ......................... 4-1...4-40
Abbreviations ............................................................................... 4-1
Wiring Diagram ............................................................................ 4-3
Block Circuit Diagram .................................................................. 4-4
• Power Supply / Bus System ...................................................... 4-4
• Video/Chroma ........................................................................... 4-7
• Standard Sound ...................................................................... 4-10
• FM Sound ............................................................................... 4-11
• Digital ...................................................................................... 4-13
Chassis Board (QMB) ................................................................ 4-15
• Frontend (FV) .......................................................................... 4-21
• OSD (OS) ................................................................................ 4-24
• Follow-TV (FM) ....................................................................... 4-24
• VPS/PDC (VP) ........................................................................ 4-24
• Video/Chroma (VS) ................................................................. 4-25
• Standard Sound (AL) .............................................................. 4-25
• IN/OUT (IO) ............................................................................. 4-27
• SECAM L (VS-S) .................................................................... 4-28
• FM Sound (AF) ....................................................................... 4-29
• Head Amplifier (HA) ................................................................ 4-30
• Power Supply (PS) .................................................................. 4-31
• Drive Control / Deck Electronic (DE) ....................................... 4-33
• Display Control (DC) ............................................................... 4-35
NICAM Decoder (QNIC) ............................................................ 4-36
Oscillograms .............................................................................. 4-38
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 Lists ................................ 6-1...6-20
GV 27 ..., GV 47 ..., GV 7...
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