Сервис мануал и схема телевизора DAEWOO шасси CP-850/F
Файл в формате PDF на английском языкеМодели:
- DAEWOO DTK-28
- DAEWOO DTK-29
Содержание:
- 1 MAIN FEATURES 5
- 1.1 SPECIFICATIONS 5
- 1.1.1 GENERAL 5
- 1.2 CHANNEL/FREQUENCY TABLE 6
- 1.3 ATSS SORTING METHOD 9
- 1.3.1 GENERAL CASE 9
- 2 SAFETY INSTRUCTION 11
- 3 ALIGNMENT INSTRUCTIONS 12
- 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE 12
- 3.2 SERVICE MODE NAVIGATION 12
- 3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS 12
- 3.3.1 OPTION 1 13
- 3.3.2 OPTION 2 13
- 3.4 TV SET ALIGNMENT 13
- 3.4.1 LOCAL OSCILLATOR ALIGNMENT 13
- 3.4.2 G2 ALIGNMENT 13
- 3.4.3 WHITE BALANCE 14
- 3.4.4 FOCUS 14
- 3.4.5 VERTICAL GEOMETRY 14
- 3.4.6 HORIZONTAL PICTURE CENTRING 14
- 3.4.7 EAST / WEST CORRECTION 14
- 3.4.8 AGC 15
- 4 IC DESCRIPTION 16
- 4.1 TELETEXT DECODER WITH EMBEDDED 8-BIT CONTROLLER 16
- 4.1.1 BLOCK DIAGRAM OF THE SDA55XX 16
- 4.1.2 DESCRIPTION 16
- 4.1.3 IC MARKING AND VERSION 17
- 4.1.4 PINNING 17
- 4.2 VSP9405 - SCAN RATE CONVERTER INCLUDING MULTISTANDARD COLOUR
- DECODER 18
- 4.2.1 BLOCK DIAGRAM OF THE VSP9405 19
- 4.2.2 DESCRIPTION 19
- 4.2.3 PINNING 21
- 4.3 DDP 3315C - DISPLAY AND DEFLECTION PROCESSOR 26
- 4.3.1 BLOCK DIAGRAM OF THE DDP 3315C 26
- 4.3.2 DESCRIPTION 27
- 4.3.3 PINNING 29
- 4.4 MSP341X MULTISTANDARD SOUND PROCESSOR 31
- 4.4.1 BASIC FEATURES OF THE MSP 341X 31
- 4.4.1.1 Demodulator & NICAM Decoder Section
- 4.4.1.2 DSP-Section (Audio Baseband Processing) 32
- 4.4.1.3 Analogue Section 32
- 4.4.1.4 NICAM & FM/AM-Mono 32
- 4.4.1.5 German 2-Carrier System (DUAL FM System) 32
- 4.5 TDA4470 - MULTISTANDARD VIDEO-IF AND QUASI PARALLEL SOUND PROCESSOR 35
- 4.5.1 DESCRIPTION 35
- 4.5.2 FEATURES 35
- 4.5.3 PINNING 35
- 4.5.4 BLOCK DIAGRAM 36
- 4.6 TDA894XJ STEREO AUDIO AMPLIFIER 37
- 4.6.1 FEATURES 37
- 4.7 TDA835XJ VERTICAL AMPLIFIER 38
- 4.7.1 TDA8353J 38
- 4.8 TDA6108JF 40
- 4.9 24C16 - 16 KB EEPROM 41
- 4.10 STR - W6754 42
- 4.10.1 GENERAL DESCRIPTION 42
- 4.10.2 FEATURES 42
- 4.10.3 BLOCK DIAGRAM 42
- 4.10.4 ELECTRICAL CHARACTERISTICS 43
- 5 CP-850/F CHASSIS DESCRIPTION 45
- 5.1 BLOCK DIAGRAM 45
- 5.2 IF SECTION 46
- 5.2.1 BLOCK DIAGRAM 46
- 5.2.2 VISION IF AMPLIFIER 47
- 5.2.3 TUNER-AND VIF-AGC 47
- 5.2.4 FPLL, VCO AND AFC 47
- 5.2.5 VIDEO DEMODULATION AND AMPLIFIER 48
- 5.2.6 SOUND IF AMPLIFIER AND SIF-AGC 48
- 5.2.7 QUASI-PARALLEL-SOUND (QPS) MIXER 48
- 5.2.8 STANDARD SWITCH 48
- 5.2.9 L SWITCH 48
- 5.2.10 INTERNAL VOLTAGE STABILISER 48
- 5.3 VIDEO / RGB
- 5.3.1 FRONT END 48
- 5.3.1.1 CVBS Front-End 48
- 5.3.1.2 Input Selector 49
- 5.3.1.3 Signal Levels And Gain Control 49
- 5.3.1.4 Synchronization 49
- 5.3.1.5 Chroma Decoder 49
- 5.3.1.6 Luminance Processing
- 5.3.1.7 RGB Front-End 49
- 5.3.1.8 Signal Processing 49
- 5.3.1.8.1 Horizontal Prescaler 49
- 5.3.1.8.2 Noise Reduction 50
- 5.3.1.8.3 Noise Measurement 50
- 5.3.1.8.4 Operation Modes 50
- 5.3.1.8.5 Digital 656 Output 50
- 5.3.2 BACK END 50
- 5.3.2.1 Digital Input Interface 50
- 5.3.2.2 Horizontal Scaler 50
- 5.3.2.3 Luma Contrast and Brightness 50
- 5.3.2.4 Black Level Expander/Compressor (BLEC) 50
- 5.3.2.5 Luma Sharpness Enhancer (LSE) 51
- 5.3.2.6 Dynamic Peaking 51
- 5.3.2.7 Luma Transient Improvement (LTI) 51
- 5.3.2.8 Mixing of Dynamic Peaking and LTI 51
- 5.3.2.9 Chroma Transient Improvement 51
- 5.3.2.10 Analog Back End 52
- 5.3.2.11 Analog RGB Insertion 52
- 5.3.2.12 CRT Measurement and Control 52
- 5.3.2.13 Synchronization and Deflection 53
- 5.3.2.14 EHT Compensation 53
- 5.4 MICROCONTROLLER 53
- 5.4.1 MICROCONTROLLER FEATURES 53
- 5.4.2 ACQUISITION FEATURES 54
- 5.4.3 PORTS 54
- 5.4.4 CONTROLLER I/O PIN CONFIGURATION AND FUNCTION TABLE 54
- 5.4.5 OVER CURRENT PROTECTION 55
- 5.5 TELETEXT 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 DISCRIMINATION 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 57
- 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
- 5.8.5 EAST-WEST AMPLIFIER (TDA8358J ONLY) 58
- 6 SERVICE PARTS LIST 59
- 7 SCHEMATIC DIAGRAM 66
- 8 PRINTED CIRCULT BOARD 67
- 9 EXPLODED VIEW