Table of Contents
Advertisement
Partie générale / General Section
II y a lieu d'observer les recommandations et les
prescriptions de sécurité de I'Instruction de Service
"Sécurité" Réf. N° 72010-800.00 ainsi que les
prescriptions spécifiques à chaque pays!
Sommaire
F
Partie générale ................................... 1-1...1-14
Composition des appareils ........................................................... 1-3
Appareils de mesure / Moyens de maintenance .......................... 1-5
Caractéristiques techniques ......................................................... 1-5
Eléments de commande .............................................................. 1-7
Tableaux des normes et des canaux ........................................... 1-9
Instructions pour la maintenance ............................................... 1-11
fonctions spéciales .............................. 2-1...2-3
Prescriptions d'alignements ............... 3-1...3-2
1. Circuit principal (QMB) ............................................................. 3-1
1.1 Alimentation (PS) .............................................................. 3-1
1.2 Module de commande (DC) .............................................. 3-1
1.3 Procédure servo / Gestion mécanique (DE) ...................... 3-1
1.4 Etage FI (FV) ..................................................................... 3-2
1.5 Vidéo/Chroma (VS, VS-S) ................................................. 3-2
1.6 Son Mono (AL) .................................................................. 3-2
Circuits imprimés
et des schémas électriques .............. 4-1...4-40
Abréviations ................................................................................. 4-1
Plan de connexions ...................................................................... 4-3
Synoptique des circuits imprimés ................................................ 4-4
• Alimentation / Bus-Systéme ...................................................... 4-4
• Vidéo/Chroma ........................................................................... 4-7
• Son Mono ................................................................................ 4-10
• Son FM ................................................................................... 4-11
• Numérique .............................................................................. 4-13
Circuit principal (QMB) ............................................................... 4-15
• Etage FI (FV) .......................................................................... 4-21
• OSD (OS) ................................................................................ 4-24
• Selon TV (FM) ......................................................................... 4-24
• VPS/PDC (VP) ....................................................................... 4-24
• Vidéo/Chroma (VS) ................................................................. 4-25
• Son Mono (AL) ........................................................................ 4-25
• IN/OUT (IO) ............................................................................ 4-27
• SECAM L (VS-S) .................................................................... 4-28
• Son FM (AF) ........................................................................... 4-29
• Ampli de têtes (HA) ................................................................. 4-30
• Alimentation (PS) .................................................................... 4-31
• Procédure servo / Gestion mécanique (DE) ........................... 4-33
• Module de commande (DC) .................................................... 4-35
Décodeur NICAM (QNIC) .......................................................... 4-36
Oscillogrammes ......................................................................... 4-38
Platine mécanique .............................. 5-1...5-12
Appareils de mesure / Moyens de maintenance .......................... 5-1
1 Instructions pour la maintenance ............................................. 5-2
2 Remplacement d'éléments de la mécanique ........................... 5-3
3 Réglages ................................................................................ 5-10
Vues éclatées et
Listes de pièces détachées ............... 6-1...6-10
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
Page
General Section .................................. 1-1...1-14
Videorecorder Overview .............................................................. 1-3
Test Equipment / Jigs .................................................................. 1-5
Specifications ............................................................................... 1-5
Operating Hints ............................................................................ 1-7
Tables of Norms and Channels ................................................... 1-9
Service Instructions .................................................................... 1-11
Service Test Programme
and Special Functions ......................... 2-4...2-6
Adjustment Procedures....................... 3-3...3-4
1. Chassis Board (QMB) .............................................................. 3-3
1.1 Power Supply (PS) ............................................................ 3-3
1.2 Keyboard Control Unit (DC) .............................................. 3-3
1.3 Deck Control / Deck Electronic (DE) ................................. 3-3
1.4 Frontend (FV) .................................................................... 3-4
1.5 Video/Chroma (VS, VS-S) ................................................. 3-4
1.6 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
1 Service Instructions .................................................................. 5-2
2 Replacement of Tape Deck Components ................................ 5-3
3 Adjustments ........................................................................... 5-10
Exploded Views and
Spare Parts Lists ................................ 6-1...6-10
GV 27 EURO, GV 7... EURO
Page
GRUNDIG Service
Hide quick links:
Advertisement
Table of Contents
