Daewoo dsc-3220e-3220l User Manuals

Table of 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
• Controller

  18
• 4-1-1 Block diagram off the VCT

  18
• 4-1-2 TV-signal Processor

  18
• 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
• 4-5-2 TDA8358J

  33
• 4-6 TDA6107Q

  33
• 4-7 24C16 - 16 Kb EEPROM

  35
• 4-8 STR - F6653

  36
• 4-8-1 General description

  36
• 4-8-2 Features

  36
• 4-8-3 Block diagram

  36
• 4-8-4 Pin description

  37
• 4-8-5 Control part - electrical characteristics

  37
• 4-8-6 MOSFET electrical characteristics

  38
• 4-9 CXA1315P

  39
• 4-9-1 General description

  39
• 4-9-2 Features

  39
• 4-9-3 Block diagram

  39
• 4-9-4 Pin Description

  40
• 4-10 CXA1315P

  40
• 4-10-1 General description

  40
• 4-10-2 Features

  40
• 4-10-3 Block diagram

  40
• 4-10-4 Pin Description

  40
• 4-11 LA6515

  40
• 4-11-1 General description

  40
• 4-11-2 Features

  40
• 4-11-3 Block diagram

  40
• 4-11-4 Pin Description

  40
• 5 - Circuit description

  43
• 5-1 Block diagram

  43
• 5-2 IF section

  44
• 5-2-1 Block diagram

  44
• 5-2-2 Vision IF Amplifier

  44
• 5-2-3 Tuner-and VIF-ACG

  45
• 5-2-4 FPLL, VCO and AFC

  45
• 5-2-5 Video Demodulation and Amplifier

  46
• 5-5-6 Sound IF Amplifier and SIF-AGC

  46
• 5-2-7 Quasi-Parallel-Sound (QPS) Mixer

  46
• 5-2-8 Standard Switch

  46
• 5-2-9 L Switch

  46
• 5-2-10 Internal Voltage Stabiliser

  46
• 5-3 Video - VCT description

  47
• 5-3-1 Introduction

  47
• 5-3-2 Video Front-end

  47
• 5-3-3 Input Selector

  47
• 5-3-4 Clamping

  47
• 5-3-5 Automatic Gain Control

  47
• 5-3-6 Digitally Controlled Clock Oscillator

  47
• 5-3-7 Analogue Video Output

  47
• 5-3-8 Adaptive Comb Filter (VCT3834A only)

  48
• 5-3-9 Color Decoder

  48
• 5-3-10 Horizontal Scaler

  48
• 5-3-11 Video Sync Processing

  49
• 5-3-12 Display Processing

  49
• 5-3-13 Chroma Transient Improvement

  49
• 5-3-14 Video Back-end

  49
• 5-3-15 CRT Measurement and Control

  50
• 5-3-16 Average Beam Current Limiter

  50
• 5-3-17 Analogue RGB Insertion

  50
• 5-4-1 Introduction

  51
• 5-4-2 CPU

  51
• 5-4-3 -Controller I/O pin configuration and function

  52
• 5-4-4 Tuning

  52
• 5-4-5 Automatic Format switching and WSS

  52
• 5-4-6 EXTERNAL source control logic

  54
• 5-4-7 Over Current Protection

  55
• 5-5Teletext Display

  55
• 5-6 Sound processing

  56
• 5-6-1 Analogue sound IF-input section

  56
• 5-6-2 Quadrature Mixers

  56
• 5-6-3 Phase and AM discr imination

  56
• 5-6-4 NICAM decoder

  57
• 5-6-5 DSP section

  57
• 5-6-6 Sound Mode switching

  57
• 5-7 Sound amplification

  57
• 5-7-1 Power amplifier

  57
• 5-7-2 Mode selection

  58
• 5-8 Vertical deflection

  58
• 5-8-1 Flyback voltage

  58
• 5-8-2 Protection

  58
• 5-8-3 Guard circuit

  58
• 5-8-4 Damping resistor

  58
• 5-8-5 EAST-WEST Amplifier (TDA8358J only)

  58
• aral description

  59
• 5-9-2 Power supply primary par t operations

  59
• 5-10TV start-up, TV normal run and stand by mode operations

  63
• 5-10-1 TV start-up operations

  63
• 5-10-2 TV normal run and stand-by mode operations

  64
• 6 - Service parts list

  69
• 6 -1 Service part list

  69
• 6 -2 Service part list option

  79
• 7 - Exploded View

  80
• 8 - PCB Layout

  81
• 8 -1 MAIN PCB

  81
• 8 -2 UNION PCB

  82
• 9 - Circuit Diagram

  83
• 9 - 1 Circuit Diagram(MAIN)

  83
• 9 - 2 Circuit Diagram(UNION)

  84