Daewoo CP-485F Manuals

Manuals and User Guides for Daewoo CP-485F. We have 1 Daewoo CP-485F manual available for free PDF download: Service Manual

Daewoo CP-485F Service Manual

Daewoo CP-485F Service Manual (102 pages)

Brand: Daewoo | Category: Colour television | Size: 9.56 MB

Table of Contents

Table of Contents
2
1 Main Features

5
- Specifications
  5
- Channel Table
  9
- ATSS Sorting Method
  12
2 Safety Instruction

14
3 Alignment Instructions

15
- Microcontroller Configuration : Service Mode
  15
- Service Mode Navigation
  15
- Microcontroller Configuration : Option
  16
- TV Set Alignment
  17
  - Local Oscillator Alignment
    17
  - G2 Alignment
    17
  - White Balance
    17
  - Focus
    17
  - Vertical Geometry
    17
  - Horizontal Picture Centring
    17
  - East/West Correction
    17
  - Agc
    19
4 IC Description

20
- Vct383Xa TV Signal Processor - Teletext Decoder with Embedded 8 Bit Controller
  20
  - Block Diagram off the VCT
    20
  - TV-Signal Processor
    20
  - Controller
    21
  - Teletext Features
    21
  - Displaty OSD Features
    22
  - Audio Features
    22
  - General Features
    22
  - Data Capture
    22
  - Data Capture Features
    22
  - TV Processor Version and -Controller Capacity
    23
  - IC Marking and Version
    23
  - Pinning
    23
- Msp341X Multistandard Sound Processor
  26
  - Basic Features of the MSP 341X
    26
- TDA 4470-Multistandard Video-IF and Quasi Parallel Sound Processor
  30
  - Description
    30
  - Features
    30
  - Pinning
    30
  - Block Diagram
    31
- Tda894Xj Stereo Audio Amplifier
  32
  - Features
    34
- Tda835Xj Vertical Amplifier
  34
  - Tda8357J
    34
  - Tda8358J
    35
- Tda6107Q
  37
- 24C16 - 16 Kb EEPROM
  39
- Str - F6653
  40
  - General Description
    40
  - Features
    40
  - Block Diagram
    40
  - Pin Description
    41
  - Control Part Electrical Characteristics
    41
  - MOSFET Electrical Characteristics
    42
5 Circuit Description

43
- Block Diagram
  43
- IF Section
  44
  - Block Diagram
    44
  - Vision if Amplifier
    44
  - Tuner-And VIF-ACG
    45
  - FPLL, VCO and AFC
    45
  - Video Demodulation and Amplifier
    46
  - Sound if Amplifier and SIF-AGC
    46
  - Quasi-Parallel-Sound (QPS) Mixer
    46
  - Standard Switch
    46
  - L' Switch
    46
  - Internal Voltage Stabiliser
    46
- Video - VCT Description
  47
  - Introduction
    47
  - Video Front-End
    47
  - Input Selector
    47
  - Clamping
    47
  - Automatic Gain Control
    47
  - Digitally Controlled Clock Oscillator
    47
  - Analogue Video Output
    47
  - Adaptive Comb Filter (VCT3834A Only)
    48
  - Color Decoder
    48
  - Horizontal Scaler
    48
  - Video Sync Processing
    49
  - Display Processing
    49
  - Chroma Transient Improvement
    49
  - Video Back-End
    49
  - CRT Measurement and Control
    50
  - Average Beam Current Limiter
    50
  - Analogue RGB Insertion
    50
  - Fast-Blank Monitor
    50
  - Vertical and East/West Deflection
    51
  - EHT Compensation
    51
  - Reset Function
    51
  - Standby and Power-On
    51
- Micro-Controller
  51
  - Introduction
    51
  - Cpu
    51
  - Controller I/O Pin Configuration and Function
    52
  - Tuning
    52
  - Automatic Format Switching and WSS
    52
  - EXTERNAL Source Control Logic
    53
  - Over Current Protection
    55
- 5-5Telete Xt Displa y
  55
- Sound Processing
  56
  - Analogue Sound IF-Input Section
    56
  - Quadrature Mixers
    56
  - Phase and am Discrimination
    56
  - NICAM Decoder
    57
  - DSP Section
    57
  - Sound Mode Switching
    57
- Sound Amplification
  57
  - Power Amplifier
    57
  - Mode Selection
    58
- Vertical Deflection
  58
  - Flyback Voltage
    58
  - Protection
    58
  - Guard Circuit
    58
  - Damping Resistor
    58
  - EAST -WEST Amplifier (TD A8358J Only)
    58
- P Ower Supply (STR F6653)
  59
  - STR-F6654 Gener Aral Descr I Ption
    59
  - Power Supply Primary Part Operations
    59
- 5-10TV Start-Up, TV Normal Run and Stand by Mode Operations
  63
  - TV Start-Up Operations
    63
  - TV Normal Run and Stand-By Mode Operations
    64
6 Service Parts List

69
7 Exploded View

87
- Dwx-28W5
  87
- Dwf-28W8
  88
- Dtf-29U8
  89
- Dtp-28A7
  90
- Dtp-28B1
  91
- Dtp-28G7
  92
- Dtp-28G8
  93
- Dwf-28W9
  94
- Dtb-21U7
  95

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