Allgemeiner Teil / General SectionCUC 7305
Es gelten die Vorschriften und Sicherheitshin-The regulations and safety instructions shall be
weise gemŠ§ dem Service Manual "Sicherheit",valid as provided by the "Safety" Service Manual,
Sach-Nummer 72010-800.00, sowie zusÅ tzlichpart number 72010-800.00, as well as the
die eventuell abweichenden, landesspezifischenrespective national deviations.
Vorschriften!
DGB
InhaltsverzeichnisTable of Contents
SeitePage
Allgemeiner Teil................................1-1... 1-14 General Section .................................1-1... 1-14
Technische Daten ........................................................................1-3Technical Data .............................................................................1-3
Modulźbersicht.............................................................................1-4Module List...................................................................................1-4
Sicherheitshinweise .....................................................................1-4Safety Advice ...............................................................................1-4
Hinweise zu den Bauteilen...........................................................1-4Hints to the Components .............................................................1-4
Hinweise zu den Oszillogrammen................................................1-5Hints to the Oscillograms.............................................................1-5
Schaltplansymbole.......................................................................1-6Circuit Diagram Symbols .............................................................1-6
Bedienungsanleitung (P 37-731/12 text)......................................1-7Service Instructions (P 37-731/12 text)........................................1-9
Sonder- und Servicefunktionen..................................................1-11Special and Service Functions...................................................1-12
Blockschaltbild ...........................................................................1-13Block Circuit Diagram ................................................................1-13
Beschreibungen ..................................2-1... 2-7 Descriptions ......................................2-8... 2-14
1.12V Schaltnetzteil.....................................................................2-11. 12V Switched Mode Power Supply..........................................2-8
1.1. Netzteil..................................................................................2-21.1. Power Supply........................................................................2-9
2. Systemsteuerung .....................................................................2-32. System Control......................................................................2-10
3.TV-Signalprozessor TDA 8362 A ..............................................2-43.TV Signal Processor TDA 8362 A ..........................................2-11
3.1 ?bersicht............................................................................2-43.1 Overview .......................................................................2-11
3.2 ZF .......................................................................................2-43.2 IF ...................................................................................2-11
3.3 FBAS-Signal.......................................................................2-43.3 CCVS-Signal.................................................................2-11
3.4 Externes FBAS-Signal.......................................................2-43.4 External CCVS Signal...................................................2-11
3.5 Ton-ZF ...............................................................................2-53.5 Sound IF ........................................................................2-12
3.6 Luminanz- und Chrominanzsignal......................................2-53.6 Luminance and Chrominance Signal............................2-12
3.7 SECAM-Signalweg3.7 SECAM Signal Path
und automatische PAL/SECAM-Umschaltung...................2-5and Automatic PAL/SECAM Switching .........................2-12
3.8 RGB-Signalweg..................................................................2-63.8 RGB Signal Path ...........................................................2-13
3.9 Gewinnung der H- und V-Synchronsignale........................2-63.9 Generation of the Horizontal and Vertical Sync Signals 2-13
3.10 Zeilenoszillator.................................................................2-63.10 Line Oscillator................................................................2-13
3.11 j1-Regelung ...................................................................2-63.11 j1-Phase Control..........................................................2-13
3.12. j2-Regelung ...................................................................2-63.12 j2-Phase Control..........................................................2-13
3.13. Supersandcastle SSC .....................................................2-73.13 The Super Sandcastle SSC ..........................................2-14
3.14 Cut-Off-Einstellung...........................................................2-73.14 Setting of the Cut-Off Voltage .......................................2-14
3.15 HDR-Endstufe ..................................................................2-73.15 HDR Output Stage ........................................................2-14
3.16 Vertikal-Ablenkung ...........................................................2-73.16 Field Deflection Stage ...................................................2-14
3.17 Non-Interlace Kompensation bei Videotext......................2-73.17 Non-Interlace Compensation with Teletext...................2-14
3.18 Koinzidenz........................................................................2-73.18 Coincidence ..................................................................2-14
Abgleich ........................................................3-1Adjustments .................................................3-2
PlatinenabbildungenLayout of the PCBs
und SchaltplÅ ne ................................4-1... 4-20 and Circuit Diagrams ........................4-1... 4-20
Chassisplatte ...............................................................................4-1Chassis Board..............................................................................4-1
Oszillogramme .............................................................................4-7Oscillograms ................................................................................4-7
Gesamtschaltplan ........................................................................4-9General Circuit Diagram ..............................................................4-9
Prozessorplatte 29305-119.30...................................................4-14Processing Board 29305-119.30 ...............................................4-14
Bildrohrplatte 29305-022.14/.15.................................................4-15CRT Panel 29305-022.14/.15 ....................................................4-15
12V Netzteil 29305-007.31 ........................................................4-1712V Power Supply 29305-007.31 .............................................4-17
Ersatzteilliste .......................................5-1... 5-4 Spare Parts List...................................5-1... 5-4
1 - 2GRUNDIG Service |
ACEC
