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Allgemeiner Teil / General Section
CUC 2121/M
Es gelten die Vorschriften und Sicherheitshinweise gemä� dem Service Manual "Sicherheit", Materialnummer 720108000000, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften!
The regulations and safety instructions shall be valid as provided by the "Safety" Service Manual, part number 720108000000, as well as the respective national deviations.
Für die auf der Titelseite aufgeführten Geräte gilt das Service Manual CUC 2121. Diese Ergänzung dokumentiert die Unterschiede bzw. zusätzlichen Bestückungen der Geräte. Grundlage für den Service sind: � Service Manual CUC 2121 (Materialnummer 720100407000) � Service Manual "Sicherheit" (Materialnummer 720108000000)
The Service Manual CUC 2121 applies to the sets specified on the front page. This supplement describes the differences and the additionally fitted components of the sets. Basic instructions for servicing are given in the: � Service Manual CUC 2121 (Part number 720100407000) � Service Manual �Safety� (Part number 720108000000)
Inhaltsverzeichnis
Seite
Hinweise ......................................................................................... Modulauflistung � Service Manual mit Ergänzungen ...................... Modulübersicht ................................................................................ Technische Daten ........................................................................... 2 3 4 5
Table of Contents
Page
Notes ............................................................................................... List of Modules � Service Manual with Supplements ...................... Module List ...................................................................................... Technical Data ................................................................................ 2 3 4 5
Hinweis zum Abgleich ..................................................................... 6 Chassisplatte .................................................................................. 7 Oszillogramme (Chassis) .............................................................. 13 Chassisplatte (vergrö�ert) ............................................................ 15 Teilschaltplan Netzteil ................................................................... 19 Teilschaltplan Ablenkung .............................................................. 21 Teilschaltplan Prozessor ............................................................... 23 Teilschaltplan Tuner ...................................................................... 25 Teilschaltplan Video ...................................................................... 27 Teilschaltplan Audio ...................................................................... 29 Bildrohrplatte ................................................................................. 31 NF-Baustein Stereo ...................................................................... 33 EURO-AV-Buchsenplatte .............................................................. 37 Prozessorplatte ............................................................................. 39 Ersatzteillisten ............................................................................... 42
Hint for Alignment ........................................................................... 6 Chassis Board ................................................................................. 7 Oscillograms (Chassis) ................................................................. 13 Chassis Board (Enlarged) ............................................................. 15 Circuit Diagram Mains Section ...................................................... 19 Circuit Diagram Deflection Section ............................................... 21 Circuit Diagram Processor Section ............................................... 23 Circuit Diagram Tuner Section ...................................................... 25 Circuit Diagram Video Section ...................................................... 27 Circuit Diagram Audio Section ...................................................... 29 CRT Panel .................................................................................... 31 AF Module Stereo ......................................................................... 33 EURO-AV Socket Board ............................................................... 37 Processing Board .......................................................................... 39 Spare Parts Lists ........................................................................... 42
Hinweise
Sicherheitshinweis Vor dem �ffnen des Gerätes dieses vom Netz trennen. Leitungsverlegung Bevor Sie die Leitungen und insbesondere die Masseleitungen lösen, muss die Leitungsverlegung zu den einzelnen Baugruppen wie z.B. Chassis, Netzschalterplatte, Bedieneinheit, Bildrohrplatte, Ablenkeinheit, Lautsprecher usw. beachtet werden. Nach erfolgter Reparatur ist es notwendig, die Leitungsführung wieder in den werkseitigen Zustand zu versetzen um evtl. spätere Ausfälle oder Störungen zu vermeiden. Netzkabel Diese Geräte dürfen nur mit dem Original-Netzanschlusskabel mit integrierter Entstördrossel betrieben werden. Dieses Netzkabel verhindert Störungen aus dem Netz und ist Bestandteil der Gerätezulassung. Im Ersatzfall bestellen Sie bitte ausschlie�lich das Netzkabel laut Ersatzteilliste. Hinweis zur Chassisplatte (Seite 9-18): Die Chassisplatte 29304-764.81 entspricht der Chassisplatte 29304-764.41
Notes
Safety Hints Disconnect the set from the mains before opening it. Wiring Before disconnecting any leads and especially the earth connecting leads observe the way they are routed to the individual assemblies like the chassis, mains switch panel, keyboard control panel, picture tube panel, deflection unit, loudspeaker and so on. On completion of the repairs the leads must be laid out as originally fitted at the factory to avoid later failures or disturbances. Mains Cable The TV receiver must only be operated with an original mains connecting cable with an interference suppressor choke integrated in the mains plug.This mains cable prevents interference from the mains supply and is part of the product approval. For replacement please order exclusively the mains connecting cable specified in the spare parts list. Note to the Chassis Board (Page 9-18): The Chassis Board 29304-764.81 corresponds with the Chassis Board 29304-764.41
2
GRUNDIG Service
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