GrundigGDR54001GDR54002GDR5404ServiceManual(2) 维修电路图、原理图.pdf
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1、DVDService Manual GDR 5400/1 GMK2400 GDR 5400/2 GMK2500 GDR 5404 GMK3200 Zustzlich erforderliche Unterlagen fr den Komplettservice Additionally required Service Documents for the Complete Service Service Manual Sicherheit Safety Materialnr./Part No. 720108000001 NUR FR INTERNEN GEBRAUCH FOR INTERNAL
2、 USE ONLY Materialnummer/Part Number 720100482500 nderungen vorbehalten/Subject to alteration Printed in Germany H-S41 1104 8002/8012 oUKIRL, 8003/8013 oD, 8005/8015 DVD ReWritableDVD R 1 - 2 GRUNDIG ServiceGDR 5400 Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit
3、, Material- nummer 720108000001, sowie zustzlich die eventu- ell abweichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid as provided by the Safety Service Manual, part number 720108000001, as well as the respective national deviations. Table of Contents
4、Page General Section. 1-21-60 General Notes . 1-2 Technical Data . 1-3 Version Numbers (Software / Loader) . 1-3 Software Upgrade . 1-3 Service Hints . 1-4 Operating Hints . 1-33 Layout of PCBs and Circuit Diagrams . 2-12-19 Wiring Diagram . 2-1 Power Supply . 2-2 Main Board. 2-4 Power Supply . 2-6
5、Memory . 2-7 Interface . 2-8 Converter . 2-9 Processor . 2-10 Socket Board (Version 1) . 2-11 Video/Audio Sockets . 2-12 Tuner, Frontend . 2-13 Audio . 2-14 Scart . 2-15 Socket Board (Version 2) . 2-16 Video/Audio Sockets . 2-17 Tuner, Frontend . 2-18 Audio . 2-19 Scart . 2-20 Keyboard Control Unit.
6、 2-21 Keyboard. 2-21 DV Board . 2-22 AV-IN Board . 2-22 Oscillograms . 2-23 Exploded Views and Spare Parts Lists . 3-13-2 Inhaltsverzeichnis Seite Allgemeiner Teil . 1-21-32 Allgemeine Hinweise. 1-2 Technische Daten . 1-3 Versions-Nummer (Software / Laufwerk) . 1-3 Software-Upgrade . 1-3 Servicehinw
7、eise . 1-4 Bedienhinweise . 1-5 Platinenabbildungen und Schaltplne . 2-12-19 Verdrahtungsplan. 2-1 Netzteil . 2-2 Hauptplatte. 2-4 Netzteil . 2-6 Speicher . 2-7 Interface . 2-8 Konverter. 2-9 Prozessor . 2-10 Buchsenplatte (Version 1). 2-11 Video-/Audio-Anschlsse . 2-12 Tuner, Frontend . 2-13 Audio
8、. 2-14 Scart . 2-15 Buchsenplatte (Version 2). 2-16 Video-/Audio-Anschlsse . 2-17 Tuner, Frontend . 2-18 Audio . 2-19 Scart . 2-20 Bedieneinheit . 2-21 Keyboard. 2-21 DV-Platte. 2-22 AV-IN-Platte . 2-22 Oszillogramme . 2-23 Explosionszeichnung und Ersatzteillisten . 3-13-2 General Section General No
9、tes Before opening the cabinet disconnect the mains plug! Attention: Observe the ESD safety regulations Wiring Before disconnecting any leads and especially the earth connecting leads observe the way they are routed to the individual assemblies. On completion of the repairs the leads must be laid ou
10、t as originally fitted at the factory to avoid later failures or disturbances. Carrying out Measurements When making measurements on semi-conductors with an oscillo- scope, ensure that the test probe is set to 10:1 dividing factor. If the previous measurement was made on AC input, please note that t
11、he coupling capacitor in the oscilloscope will be charged. Discharge via the item being checked can damage the components. Measured Values and Oscillograms The measured values given in the circuit diagrams and oscillograms are approximates! Allgemeiner Teil Allgemeine Hinweise Vor dem ffnen des Gehu
12、ses den Netzstecker ziehen! Achtung: ESD-Vorschriften beachten Leitungsverlegung Bevor Sie die Leitungen und insbesondere die Masseleitungen lsen, muss die Leitungsverlegung zu den einzelnen Baugruppen beachtet werden. Nach erfolgter Reparatur ist es notwendig, die Leitungsfhrung wieder in den werks
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