GRUNDIG ServiceChassis L6B
Es gelten die Vorschriften und SicherheitshinweiseThe regulations and safety instructions shall be valid
gemŠ§ dem Service Manual "Sicherheit", Material-as provided by the "Safety" Service Manual, part
nummer 720108000001, sowie zusÅ tzlich die eventu-number 720108000001, as well as the respective
ell abweichenden, landesspezifischen Vorschriften!national deviations.
InhaltsverzeichnisTable of Contents
SeitePage
Allgemeiner Teil ......................................... 2�5General Section .......................................... 2�5
Allgemeine Hinweise....................................................................... 2General Notes ................................................................................. 2
Technische Daten ........................................................................... 3Technical Data ................................................................................ 3
Service- und Sonderfunktionen....................................................... 5Service and Special Funtions ......................................................... 5
PlatinenabbildungenLayout of PCBs
und SchaltplŠne ....................................... 6�58and Circuit Diagrams ............................... 6�58
Blockschaltplan ............................................................................... 6Block Diagram................................................................................. 6
Blockschaltplan Netzteil .................................................................. 7Block Diagram Power Supply ......................................................... 7
Schaltplanźbersicht......................................................................... 8Circuit Diagram Overview ............................................................... 8
� Teil 1 Dual Interface AD9887 .................................................... 10� Part 1 Dual Interface AD9887 ................................................... 10
� Teil 2 Audio - MSP3410 ............................................................ 12� Part 2 Audio - MSP3410 ........................................................... 12
� Teil 3 Audio - Input/Output ........................................................ 15� Part 3 Audio - Input/Output ....................................................... 15
� Teil 4 PC/DVI-D - Input ............................................................. 17� Part 4 PC/DVI-D - Input............................................................. 17
� Teil 5 Video Decoder PIP .......................................................... 18� Part 5 Video Decoder PIP ......................................................... 18
� Teil 6 LVDS Transmitter ............................................................ 19� Part 6 LVDS Transmitter ........................................................... 19
� Teil 7 Flash Memory.................................................................. 21� Part 7 Flash Memory ................................................................. 21
� Teil 8 Spannungsversorgung .................................................... 22� Part 8 Power Sipply................................................................... 22
� Teil 9 Deinterlacer ..................................................................... 24� Part 9 Deinterlacer .................................................................... 24
� Teil 10 Image Processor ........................................................... 26� Part 10 Image Processor .......................................................... 26
� Teil 11 SDRAM ......................................................................... 29� Part 11 SDRAM......................................................................... 29
� Teil 12 Tuner ............................................................................. 30� Part 12 Tuner ............................................................................ 30
� Teil 13 Video Decoder............................................................... 32� Part 13 Video Decoder .............................................................. 32
Chassisplatte Y51.190R-6 ............................................................ 34Chassis Board Y51.190R-6 .......................................................... 34
Chassisplatte Y51.190R-8 ............................................................ 46Chassis Board Y51.190R-8 .......................................................... 46
Bedienplatten ZS2191-20, ZS1192-20, ZG6191-20 ..................... 58Keyboards ZS2191-20, ZS1192-20, ZG6191-20 .......................... 58
Bedienplatten ZN4191-20, ZN5192-20, ZS1191-20 ..................... 59Keyboards ZN4191-20, ZN5192-20, ZS1191-20 .......................... 59
Kopfhšrerplatte 8R9198 ................................................................ 60Headphone Board 8R9198 ........................................................... 60
IR/LED-Platte ZG5192 .................................................................. 60IR/LED Board ZG5192 ................................................................. 60
LED-Platte ZS1193-31 .................................................................. 60LED Board ZS1193-31.................................................................. 60
Ersatzteillisten ........................................ 61�74Spare Parts Lists .................................... 61�74
Allgemeiner TeilGeneral Section
EinfźhrungIntroduction
In dieser Service-Manual-ErgÅ nzung sind weitere GerÅ tevariantenThis Supplement of Service Manual describes more variants of the
dokumentiert, die mit dem Chassis L6B ausgestattet sind.chassis L6B.
ZusÅ tzlich sind die Versionen 6 und 8 der Chassisleiterplatte Y51.190In addition versions 6 and 8 of chassis PCB Y51.190 are shown.
abgebildet.
Note:
Hinweis:Basic instructions for servicing are given in the following Service
Grundlage fźr den Service sind folgende Service Manuals:Manuals:
� Service Manual Sicherheit, Materialnummer 720108000001� Service Manual Safety, Part Number 720108000001
� Service Manual Chassis L6B, Materialnummer 720100489000� Service Manual Chassis L6B, Part Number 720100489000
Allgemeine HinweiseGeneral Notes
Achtung: ESD-Vorschriften beachten Attention: Observe the ESD safety regulations
Vor dem ?ffnen des GehÅ uses zuerst den Netzstecker ziehen!Before opening the cabinet disconnect the mains plug!
LeitungsverlegungWiring
Bevor Sie die Leitungen und insbesondere die Masseleitungen lšsen,Before disconnecting any leads and especially the earth connecting
muss die Leitungsverlegung zu den einzelnen Baugruppen beachtetleads observe the way they are routed to the individual assemblies.
werden.On completion of the repairs the leads must be laid out as originally
Nach erfolgter Reparatur ist es notwendig, die Leitungsfźhrung wiederfitted at the factory to avoid later failures or disturbances.
in den werkseitigen Zustand zu versetzen um evtl. spÅ tere AusfÅ lle
oder Stšrungen zu vermeiden.
2 |
ACEC
