Grundig THARUS 38 LCD 38-9210 TOP, Service Manual

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Allgemeiner Teil / General Section THARUS 38 – LCD 38-9210 TOP
1 - 2 GRUNDIG Service
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
nummer 720108000000, sowie zusätzlich die eventu-
ell 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.
GB
Table of Contents
Page
General Section .................................. 1-2…1-20
Test Equipment / Jigs .................................................................. 1-2
Specifications ............................................................................... 1-3
Service Instructions ...................................................................... 1-4
Operating Hints .......................................................................... 1-13
– WT-AV1 .................................................................................. 1-19
Adjustment Procedures ................................ 2-2
Layout of the PCBs
and Circuit Diagrams ......................... 3-1…3-20
Block Circuit Diagram .................................................................. 3-1
– Overview ................................................................................... 3-1
– Main Board ................................................................................ 3-2
Main Board ................................................................................... 3-3
– Power Supply
(M1) ................................................................... 3-6
– Main Computer (M2) ................................................................. 3-7
– SVGA Converter (M3) ............................................................... 3-8
– Video Converter (M4) ................................................................ 3-9
– Teletext, EURO-AV Input (M5) ............................................... 3-10
– Image Processor (M6) ............................................................ 3-11
– Memory (M7) ........................................................................... 3-12
– LCD Display Driver (M8) ......................................................... 3-13
– Audio Processor (M9) ............................................................. 3-14
– Audio Amplifier (M10) ............................................................. 3-15
Keyboard (KB) ........................................................................... 3-15
LED Board (LED) ....................................................................... 3-16
Tuner Board (TU) ....................................................................... 3-16
Converter (C) ............................................................................. 3-17
Oscillograms .............................................................................. 3-19
Exploded View and
Spare Parts List .................................... 4-1…4-3
Test Pattern .................................... PDF 46…47
1bit ........................................................................................ PDF 46
Colorbar ................................................................................ PDF 47
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................. 1-2…1-20
Messgeräte / Messmittel .............................................................. 1-2
Technische Daten ........................................................................ 1-3
Servicehinweise ........................................................................... 1-4
Bedienhinweise ............................................................................ 1-7
– WT-AV1 .................................................................................. 1-19
Abgleichvorschriften .................................... 2-1
Platinenabbildungen
und Schaltpläne ................................. 3-1…3-20
Blockschaltplan ............................................................................ 3-1
– Übersicht ................................................................................... 3-1
– Hauptplatte ................................................................................ 3-2
Hauptplatte ................................................................................... 3-3
– Netzteil
(M1) .............................................................................. 3-6
– Hauptrechner (M2) .................................................................... 3-7
– SVGA-Konverter (M3) ............................................................... 3-8
– Video-Konverter (M4) ................................................................ 3-9
– Teletext, EURO-AV-Eingang (M5) .......................................... 3-10
– Bild-Prozessor (M6) ................................................................ 3-11
– Speicher (M7) ......................................................................... 3-12
– LCD-Display-Treiber (M8) ....................................................... 3-13
– Audio-Prozessor (M9) ............................................................. 3-14
– Audio-Endstufe (M10) ............................................................. 3-15
Keyboard (KB) ........................................................................... 3-15
LED-Platte (LED) ....................................................................... 3-16
Tuner-Platte (TU) ....................................................................... 3-16
Konverter (C) ............................................................................. 3-17
Oszillogramme ........................................................................... 3-19
Explosionszeichnung
und Ersatzteilliste ................................ 4-1…4-3
Testbilder ........................................ PDF 46…47
1bit ........................................................................................ PDF 46
Colorbar ................................................................................ PDF 47
General Section
Test Equipment / Jigs
Variable isolating transformer Frequency counter
Dual channel oscilloscope Colour generator
Digital multimeter AF generator
Computer with installed "Acrobat Reader"
– Test pattern "
1bit " (PDF page 46) and " Colorbar " (PDF page 47)
Diese Testbilder sind nur in der PDF-Version des Service Manuals
verfügbar.
Allgemeiner Teil
Messgeräte / Messmittel
Regeltrenntrafo Frequenzzähler
Zweikanaloszilloskop Farbgenerator
Digitalmultimeter Tongenerator
Computer mit installiertem "Acrobat Reader"
– Testbild "
1bit " (PDF-Seite 46) und " Colorbar " (PDF-Seite 47)
Diese Testbilder sind nur in der PDF-Version des Service Manuals
verfügbar.