Daewoo DSC-3220E/3220L User Manual

Page 2

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Service manual SC-150

-1-

Contents

1 - Main features ........................................................................................................................................................ 4

1-1 Specifications .................................................................................................................................................. 4
1-2 Channel table .................................................................................................................................................. 8
1-3 ATSS sorting method ....................................................................................................................................... 11

2 - Safety instruction ................................................................................................................................................. 13

3 - Alignment instructions ........................................................................................................................................ 14

3-1 Microcontroller configuration : Service mode ................................................................................................... 14
3-2 Service mode navigation ................................................................................................................................. 14
3-3 Microcontroller configuration : Option .............................................................................................................. 15
3-4 TV set Alignment ............................................................................................................................................. 15

3-4-1 Local oscillator alignment .................................................................................................................... 15
3-4-2 G2

alignment

....................................................................................................................................... 15

3-4-3 White

balance

..................................................................................................................................... 15

3-4-4 Focus

.................................................................................................................................................. 15

3-4-5 Vertical

geometry

................................................................................................................................ 15

3-4-6 Horizontal picture centring ................................................................................................................... 16
3-4-7 East/West

correction

........................................................................................................................... 16

3-4-8 AGC

.................................................................................................................................................... 17

4 - IC description ....................................................................................................................................................... 18

4-1 VCT383xA TV signal processor - Teletext decoder with embedded 8 bit -
Controller ............................................................................................................................................................ 18

4-1-1 Block diagram off the VCT ................................................................................................................... 18
4-1-2 TV-signal Processor ........................................................................................................................... 18
4-1-2 -Controller

....................................................................................................... ................................... 19

4-1-4 Teletext

Features

................................................................................................................................ 19

4-1-5 Displaty OSD Features ...................................................................................................................... 20
4-1-6 Audio

Features

................................................................................................................................... 20

4-1-7 General

Features

............................................................................................................................... 20

4-1-8 Data

Capture

....................................................................................................................................... 20

4-1-9 Data

Capture

Features

........................................................................................................................ 20

4-1-10 TV processor version and -Controller capacity .............................................................................. 21
4-1-11 IC marking and version ....................................................................................................................... 21
4-1-12 Pinning ................................................................................................................................................ 21

4-2 MSP341x Multistandard Sound Processor ................................................................................................... 24

4-2-1 Basic Features of the MSP 341x ......................................................................................................... 24

4-3 TDA4470 - Multistandard Video-IF and Quasi Parallel Sound Processor ...................................................... 28

4-3-1 Description

.......................................................................................................................................... 28

4-3-2 Features

.............................................................................................................................................. 28

4-3-3 Pinning

................................................................................................................................................ 28

4-3-4 Block

diagram

.................................................................................................................................... 29

4-4 TDA894xJ Stereo Audio Amplifier ................................................................................................................. 30

4-4-1 Features

............................................................................................................................................... 30

4-5 TDA835xJ Vertical Amplifier ........................................................................................................................... 32

4-5-1 TDA8357J

........................................................................................................................................... 32

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