Allgemeiner Teil / General Section
M 2106
1 - 2
LOEWE.-Service
GB
Table of Contents
Page
General Section .................................. 1-2…1-16
General Notes .............................................................................. 1-3
Note on electrostatic shielding ..................................................... 1-5
Safety Precautions ....................................................................... 1-5
Leakage current cold check ......................................................... 1-5
Leakage current hot check ........................................................... 1-5
X-Radiation warning ..................................................................... 1-5
Measuring high voltage ................................................................ 1-5
Module List ................................................................................... 1-6
Technical Data ............................................................................. 1-7
Circuit Diagram Symbols ............................................................. 1-8
Hints to the Oscillograms ........................................................... 1-12
Hints to Components ................................................................. 1-12
Service and Special Functions ................................................... 1-15
Adjustment ........................................... 2-3…2-4
Layout of the PCBs
and Circuit Diagrams ......................... 3-1…3-35
Chassis Board .............................................................................. 3-1
Oscillograms Chassis .................................................................. 3-7
Chassis Board Enlarged .............................................................. 3-9
Page
Power Supply 13 / 17V .............................................................. 3-13
Circuit Diagram Mains Section ................................................... 3-15
Circuit Diagram Deflection Section ............................................ 3-17
Circuit Diagram Processor Section ............................................ 3-19
Circuit Diagram Tuner Section ................................................... 3-21
Circuit Diagram Video ................................................................ 3-23
Circuit Diagram Audio ................................................................ 3-25
CRT Panel ................................................................................. 3-27
Clock Module ............................................................................. 3-29
Interface Board .......................................................................... 3-31
Processor Board ........................................................................ 3-33
Spare Parts Lists ................................ 4-1... 4-10
Loewe Service .................................. 4-11…4-12
Loewe-Establishments ............................................................... 4-11
Loewe-Service and Logistics ..................................................... 4-11
Loewe Service Europe ............................................................... 4-12
Loewe Service Overseas ........................................................... 4-12
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................. 1-2... 1-14
Allgemeine Hinweise .................................................................... 1-3
Hinweise zum Schutz gegen Elektrostatik ................................... 1-4
Sicherheitsvorkehrungen ............................................................. 1-4
Messung des Isolationswiderstandes im abgeschalteten Zustand ...... 1-4
Messung des Kriechstromes im eingeschalteten Zustand ................. 1-4
Achtung, Röntgenstrahlung ............................................................. 1-4
Messung der Hochspannung ........................................................... 1-4
Modulübersicht ............................................................................. 1-6
Technische Daten ........................................................................ 1-7
Schaltplansymbole ....................................................................... 1-8
Hinweise zu den Oszillogrammen .............................................. 1-12
Hinweise zu den Bauteilen ......................................................... 1-12
Service- und Sonderfunktionen .................................................. 1-13
Abgleich ................................................ 2-1... 2-2
Platinenabbildungen
und Schaltpläne ................................. 3-1... 3-35
Chassisplatte ............................................................................... 3-1
Oszillogramme Chassis ............................................................... 3-7
Chassisplatte vergrößert .............................................................. 3-9
Seite
Netzteil 13 / 17V ......................................................................... 3-13
Teilschaltplan Netzteil ................................................................ 3-15
Teilschaltplan Ablenkung ........................................................... 3-17
Teilschaltplan Prozessor ............................................................ 3-19
Teilschaltplan Tuner ................................................................... 3-21
Teilschaltplan Video ................................................................... 3-23
Teilschaltplan Audio ................................................................... 3-25
Bildrohrplatte .............................................................................. 3-27
Uhr-Modul .................................................................................. 3-29
Interfaceplatte ............................................................................ 3-31
Prozessorplatte .......................................................................... 3-33
Ersatzteillisten .................................... 4-1... 4-10
Loewe Service .................................. 4-11…4-12
Loewe-Vertragswerkstätten ....................................................... 4-11
Loewe-Service und Logistik ....................................................... 4-11
Loewe Service Europa ............................................................... 4-12
Loewe Service Übersee ............................................................. 4-12