Grundig ST 55 - 750 User Manual

Allgemeiner Teil / General Section

CUC  7350

1 - 2

GRUNDIG Service

Technical Data ............................................................................. 1-3
Module List ................................................................................... 1-3
Hints to the Oscillograms and the Components ........................... 1-4
Safety- and Service Notes ........................................................... 1-5
Circuit Diagram Symbols ............................................................. 1-6
Service Instructions .................................................................... 1-11
Service- and Special Functions ................................................. 1-14

1. Power Supply ........................................................................... 2-1
2. System Control ........................................................................ 2-3
3. TV Signalprocessor TDA8374 ................................................. 2-4
Block Circuit Diagram ................................................................ 2-10

Chassis Board .............................................................................. 4-1
Oscillograms ................................................................................ 4-7
Remote Control TP 720 29642-059.06 ...................................... 4-10
General Circuit Diagram ............................................................ 4-11
Tuner 29504-201.21 .................................................................. 4-15
Tuner 29504-201.31 .................................................................. 4-17
CRT Panel 29305-122.02/122.06 .............................................. 4-19
Audio-IF 29504-102.40/162.39 .................................................. 4-21
IF Amplifier 29504-162.57 .......................................................... 4-23
Control Units 29501-082.14 ....................................................... 4-25
Processor Board 29305-119.23 ................................................. 4-26

Technische Daten ....................................................................... .1-3
Modulübersicht ............................................................................. 1-3
Hinweise zu den Bauteilen und Oszillogrammen ......................... 1-4
Sicherheits- und Servicehinweise ................................................ 1-5
Schaltplansymbole ....................................................................... 1-6
Bedienungsanleitung ................................................................. 1-11
Service- und Sonderfunktionen .................................................. 1-14

1. Netzteil ..................................................................................... 2-1
2. Systemsteuerung ..................................................................... 2-3
3. TV Signalprozessor TDA8374 ................................................. 2-4
Blockschaltbild ........................................................................... 2-10

Chassisplatte ............................................................................... 4-1
Oszillogramme ............................................................................. 4-7
Fernbedienung TP 720 29642-059.06 ....................................... 4-10
Gesamtschaltplan ...................................................................... 4-11
Tuner 29504-201.21 .................................................................. 4-15
Tuner 29504-201.31 .................................................................. 4-17
Bildrohrplatte 29305-122.02/122.06 ........................................... 4-19
Ton-ZF 29504-102.40/162.39 .................................................... 4-21
ZF-Verstärker 29504-162.57 ...................................................... 4-23
Bedieneinheit 29501-082.14 ...................................................... 4-25
Prozessorplatte 29305-119.23 ................................................... 4-26

Variable isolating transformer
Colour generator
DC Voltmeter
Oscilloscope

Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:

Regeltrenntrafo
Farbgenerator
DC-Voltmeter
Oszilloskop

Beachten Sie bitte das Grundig Meßtechnik-Programm, das Sie unter
folgender Adresse erhalten: