Daewoo DTB-21U7 S Manuals

Manuals and User Guides for Daewoo DTB-21U7 S. We have 2 Daewoo DTB-21U7 S manuals available for free PDF download: Service Manual, Instruction Manual

Daewoo DTB-21U7 S Service Manual

Daewoo DTB-21U7 S Service Manual (86 pages)

Chassis

Brand: Daewoo | Category: TV | Size: 5 MB

Table of Contents

Colour Television
1
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
  16
  - Local Oscillator Alignment
    16
  - G2 Alignment
    16
  - White Balance
    16
  - Focus
    16
  - Vertical Geometry
    16
  - Horizontal Picture Centring
    17
  - East/West Correction
    17
  - Agc
    18
4 IC Description

19
- Vct383Xa TV Signal Processor - Teletext Decoder with Embedded 8 Bit Controller
  19
  - Block Diagram off the VCT
    19
  - TV-Signal Processor
    19
  - Controller
    20
  - Teletext Features
    20
  - Displaty OSD Features
    21
  - Audio Features
    21
  - General Features
    21
  - Data Capture
    21
  - Data Capture Features
    21
  - TV Processor Version and -Controller Capacity
    22
  - IC Marking and Version
    22
  - Pinning
    22
- Msp341X Multistandard Sound Processor
  25
  - Basic Features of the MSP 341X
    25
- TDA 4470-Multistandard Video-IF and Quasi Parallel Sound Processor
  29
  - Description
    29
  - Features
    29
  - Pinning
    29
  - Block Diagram
    30
- Tda894Xj Stereo Audio Amplifier
  31
  - Features
    33
- Tda835Xj Vertical Amplifier
  33
  - Tda8357J
    33
- Service Manual WP 895/895F, CP885/885F
  33
  - Tda8358J
    34
  - Tda6107Q
    36
  - 24C16 - 16 Kb EEPROM
    38
  - Str - F6653
    39
    
    General Description
    39
    
    Features
    39
    
    Block Diagram
    39
    
    Pin Description
    40
    
    Control Part Electrical Characteristics
    40
    
    MOSFET Electrical Characteristics
    41
5 Circuit Description

42
- Block Diagram
  42
- IF Section
  43
  - Block Diagram
    43
  - Vision if Amplifier
    43
  - Tuner-And VIF-ACG
    44
  - FPLL, VCO and AFC
    44
  - Video Demodulation and Amplifier
    45
  - Sound if Amplifier and SIF-AGC
    45
  - Quasi-Parallel-Sound (QPS) Mixer
    45
  - Standard Switch
    45
  - L' Switch
    45
  - Internal Voltage Stabiliser
    45
- Video - VCT Description
  46
  - Introduction
    46
  - Video Front-End
    46
  - Input Selector
    46
  - Clamping
    46
  - Automatic Gain Control
    46
  - Digitally Controlled Clock Oscillator
    46
  - Analogue Video Output
    46
  - Adaptive Comb Filter (VCT3834A Only)
    47
  - Color Decoder
    47
  - Horizontal Scaler
    47
  - Video Sync Processing
    48
  - Display Processing
    48
  - Chroma Transient Improvement
    48
  - Video Back-End
    48
  - CRT Measurement and Control
    49
  - Average Beam Current Limiter
    49
  - Analogue RGB Insertion
    49
  - Fast-Blank Monitor
    49
  - Vertical and East/West Deflection
    50
  - EHT Compensation
    50
  - Reset Function
    50
  - Standby and Power-On
    50
- Micro-Controller
  50
  - Introduction
    50
  - Cpu
    50
  - Controller I/O Pin Configuration and Function
    51
  - Tuning
    51
  - Automatic Format Switching and WSS
    51
  - EXTERNAL Source Control Logic
    52
  - Over Current Protection
    54
  - 5-5Telete Xt Displa y
    54
  - Sound Processing
    55
    
    Analogue Sound IF-Input Section
    55
    
    Quadrature Mixers
    55
    
    Phase and am Discrimination
    55
    
    NICAM Decoder
    56
    
    DSP Section
    56
    
    Sound Mode Switching
    56
  - Sound Amplification
    56
    
    Power Amplifier
    56
    
    Mode Selection
    57
  - Vertical Deflection
    57
    
    Flyback Voltage
    57
    
    Protection
    57
    
    Guard Circuit
    57
    
    Damping Resistor
    57
    
    EAST -WEST Amplifier (TD A8358J Only)
    57
  - P Ower Supply (STR F6653)
    58
    
    STR-F6654 Gener Aral Descr I Ption
    58
    
    Power Supply Primary Part Operations
    58
  - 5-10TV Start-Up, TV Normal Run and Stand by Mode Operations
    62
    
    TV Start-Up Operations
    62
    
    TV Normal Run and Stand-By Mode Operations
    63
6 Service Parts List

68
7 Exploded View

76
- Dwx-28W5
  76
- Dwf-28W8
  77

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Daewoo DTB-21U7 S Instruction Manual

Daewoo DTB-21U7 S Instruction Manual (14 pages)

SLIM Color television

Brand: Daewoo | Category: TV | Size: 2 MB

Table of Contents

Table of Contents
3
Remote Control & Tv Connections
4
Important Safeguards
5
Installation
5
Start up
6
Connecting External Equipment
6
Daily Use
7
- Picture Control
  8
- Sleep Function
  8
Menus Description
9
Teletext
12

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