Daewoo cp-885f 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

  34
• 4-7 24C16 - 16 Kb EEPROM

  37
• 4-8 STR - F6653

  38
• 4-8-1 General description

  38
• 4-8-2 Features

  38
• 4-8-3 Block diagram

  38
• 4-8-4 Pin description

  39
• 4-8-5 Control part - electrical characteristics

  39
• 4-8-6 MOSFET electrical characteristics

  40
• 5 - Circuit description

  41
• 5-1 Block diagram

  41
• 5-2 IF section

  42
• 5-2-1 Block diagram

  42
• 5-2-2 Vision IF Amplifier

  42
• 5-2-3 Tuner-and VIF-ACG

  43
• 5-2-4 FPLL, VCO and AFC

  43
• 5-2-5 Video Demodulation and Amplifier

  44
• 5-5-6 Sound IF Amplifier and SIF-AGC

  44
• 5-2-7 Quasi-Parallel-Sound (QPS) Mixer

  44
• 5-2-8 Standard Switch

  44
• 5-2-9 L’ Switch

  44
• 5-2-10 Internal Voltage Stabiliser

  44
• 5-3 Video - VCT description

  45
• 5-3-1 Introduction

  45
• 5-3-2 Video Front-end

  45
• 5-3-3 Input Selector

  45
• 5-3-4 Clamping

  45
• 5-3-5 Automatic Gain Control

  45
• 5-3-6 Digitally Controlled Clock Oscillator

  45
• 5-3-7 Analogue Video Output

  45
• 5-3-8 Adaptive Comb Filter (VCT3834A only)

  46
• 5-3-9 Color Decoder

  46
• 5-3-10 Horizontal Scaler

  46
• 5-3-11 Video Sync Processing

  47
• 5-3-12 Display Processing

  47
• 5-3-13 Chroma Transient Improvement

  47
• 5-3-14 Video Back-end

  47
• 5-3-15 CRT Measurement and Control

  48
• 5-3-16 Average Beam Current Limiter

  48
• 5-3-17 Analogue RGB Insertion

  48
• 5-3-18 Fast-Blank Monitor

  48
• 5-3-19 Vertical and East/West Deflection

  49
• 5-3-20 EHT Compensation

  49
• 5-3-21 Reset Function

  49
• 5-3-22 Standby and Power-On

  49
• 5-4-1 Introduction

  49
• 5-4-2 CPU

  49
• 5-4-3 -Controller I/O pin configuration and function

  50
• 5-4-4 Tuning

  50
• 5-4-5 Automatic Format switching and WSS

  50
• 5-4-6 EXTERNAL source control logic

  51
• 5-4-7 Over Current Protection

  53
• 5-5Teletext Display

  53
• 5-6 Sound processing

  54
• 5-6-1 Analogue sound IF-input section

  54
• 5-6-2 Quadrature Mixers

  54
• 5-6-3 Phase and AM discr imination

  54
• 5-6-4 NICAM decoder

  55
• 5-6-5 DSP section

  55
• 5-6-6 Sound Mode switching

  55
• 5-7 Sound amplification

  55
• 5-7-1 Power amplifier

  55
• 5-7-2 Mode selection

  56
• 5-8 Vertical deflection

  56
• 5-8-1 Flyback voltage

  56
• 5-8-2 Protection

  56
• 5-8-3 Guard circuit

  56
• 5-8-4 Damping resistor

  56
• 5-8-5 EAST-WEST Amplifier (TDA8358J only)

  56
• aral description

  57
• 5-9-2 Power supply primary par t operations

  57
• 5-10TV start-up, TV normal run and stand by mode operations

  61
• 5-10-1 TV start-up operations

  61
• 5-10-2 TV normal run and stand-by mode operations

  62
• 6 - Service parts list

  67
• 7 - Exploded View

  75
• 7-1 DWX-28W5

  75
• 7-2 DWF-28W8

  76
• 7-3 D T F-29U8

  77
• 7-4 D T P-28A7

  78
• 7-5 D T P-28B1

  79
• 7-6 D T P-28G7

  80
• 7-7 D T P-28G8

  81