Grundig T 51 - 830 / 12 TEXT TV
Manufacturer:
Model:
T 51 - 830 / 12 TEXT
Date:
2000
Category:
Group:
Description:
Service Manual
Manual type:
Service Manual
Pages:
58
Size:
2.50 Mbytes (2621586 Bytes)
Language:
english, german
Revision:
Manual ID:
72010 028 9000
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2011 03 14
MD5:
be1f0a7cbe77eed09dab83a4b09cb18e
Downloads:
2917

Information

Table of Contents Page General Section ... 1-2…1-20 Test Equipment ... 1-3 Type Label on the set (Version Number) ... 1-3 Module List ... 1-4 Technical Data ... 1-4 Safety Advices / Service Notes ... 1-5 Circuit Diagram Symbols ... 1-6 Operating Hints (P 37-830/12 text / Globetrotter) ... 1-14 Special and Service Functions ... 1-20 Descriptions ... 2-8…2-14 1. Power Supply ... 2-8 1.1 12V Power Supply ... 2-8 1.2 Power Supply ... 2-9 2. System Control ... 2-10 2.1 Microcomputer ... 2-10 2.2 Initialisation of the Processor after Switching On ... 2-10 2.3 Switching over of the CCVS Signals to the EURO-AV Socket ... 2-10 2.4 Entering Commands ... 2-10 2.5 Teletext IC850 (SDA5254) ... 2-10 2.6 On Screen Display (OSD) ... 2-10 2.7 Protection Circuit USchutz ... 2-10 3. TV Signal Processor TDA 8362 A ... 2-11 3.1 Overview ... 2-11 3.2 IF ... 2-11 3.3 CCVS-Signal ... 2-11 3.4 External CCVS Signal ... 2-11 3.5 Sound IF ... 2-12 3.6 Luminance and Chrominance Signal ... 2-12 3.7 SECAM Signal Path and Automatic PAL/SECAM Switching ... 2-12 3.8 RGB Signal Path ... 2-13 3.10 Line Oscillator ... 2-13 3.11 ϕ1-Phase Control ... 2-13 3.12 ϕ2-Phase Control ... 2-13 3.13 The Super Sandcastle SSC ... 2-14 3.14 Setting of the Cut-Off Voltage ... 2-14 3.15 HDR Output Stage ... 2-14 3.16 Field Deflection Stage ... 2-14 3.17 Non-Interlace Compensation with Teletext ... 2-14 3.18 Coincidence ... 2-14 Alignment ... 3-2 Layout of the PCBs and Circuit Diagrams ... 4-1…4-26 Chassis Board ... 4-1 Chassis Board (Enlarged) ... 4-7 General Circuit Diagram ... 4-11 CRT Panel 29305 022 8700 / 9000 ... 4-17 12V Power Supply 29305 007 3100 ... 4-19 12V Power Supply 29305 007 3300 ... 4-23 Spare Parts Lists ... 5-1…5-8

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