Equipment information:

Grundig CUC 7305 TV chassis
Manufacturer:
Grundig
Model: CUC 7305
Date: 1997
Category: Audio, Video, TV, Multimedia
Group: TV chassis
Description:
Information:
                                    

These manuals are available for the above equipment:

Grundig -- CUC 7305 -- Service Manual
File name: Grundig-1863-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 46
Size: 1.64 Mbytes (1719988 Bytes)
Language:
Revision:
Manual-ID/Number: 72010-019.50
Date: February 1997
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 9ea598a15129ae531e5180a4a0bad53f
ed2kID: 1cc66eb13ee513bc1b83f0f62ed0ed22
Downloads: 542 since 31 December 2009
Information:
Grundig-1863-Manual-Page-1-Picture
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Grundig -- CUC 7305 -- Service Manual Supplement
File name: Grundig-1864-Manual-Page-1-Picture
Manual Type: Service Manual Supplement
Pages: 12
Size: 1.12 Mbytes (1177839 Bytes)
Language:
Revision: Supplement 1
Manual-ID/Number: 72010 019 5100
Date: May 1998
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 019af005c421fe2b85410b5bfa8a7a0c
ed2kID: 67520f8f5b34ca603ac601c8478cdc50
Downloads: 492 since 31 December 2009
Information:
 or these TV set the Service Manual CUC 7305 is applicable.
This Supplement describes the differences and the additionally fitted
modules of the TV receiver.
The Module List and the relevant part numbers are listed in the table
on page 3.
Basic instructions for servicing are given in the:
– Service Manual "Safety" (Part No. 72010-800.00)
– Service Manual CUC 7305 (Part No. 72010-019.50)
Grundig-1864-Manual-Page-1-Picture
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Grundig -- CUC 7305 -- Service Manual
File name: Grundig-2461-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 58
Size: 2.50 Mbytes (2621586 Bytes)
Language:
Revision:
Manual-ID/Number: 72010 028 9000
Date: April 2000
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: be1f0a7cbe77eed09dab83a4b09cb18e
ed2kID: 96819f1ef91a347b2e75d5b7f453b7a6
Downloads: 981 since 14 March 2011
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
3.9 Generation of the Horizontal and Vertical Sync Signals ... 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
Grundig-2461-Manual-Page-1-Picture
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