DAEWOO Chassis CP-520V (Service Manual)

Сервис мануал и схема телевизора Daewoo на шасси CP-520V​

Файл в формате PDF на английском языке

Модели:

• DAEWOO DTX-21G2
• DAEWOO DTX-21B4
• DAEWOO DTX-21U7

Содержание:

• DOCUMENT HISTORY 3
• 1 MAIN FEATURES 4
• 1.1 SPECIFICATIONS 4
• 1.1.1 GENERAL 4
• 1.1.2 EURO-SCART 1 (21 Pin) 4
• 1.1.3 EURO-SCART 2 (21 Pin) 5
• 1.2 CHANNEL/FREQUENCY TABLE 6
• 2 SAFETY INSTRUCTION 9
• 3 ALIGNMENT INSTRUCTIONS 10
• 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE 10
• 3.2 SERVICE MODE NAVIGATION 10
• 3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS 10
• 3.4 OPTION 1 11
• 3.5 OPTION 2 11
• 3.6 NVM DEFAULT SETTING 12
• 3.7 TV SET ALIGNMENT 14
• 3.7.1 G2 ALIGNMENT 14
• 3.7.2 WHITE BALANCE 14
• 3.7.3 FOCUS 14
• 3.7.4 VERTICAL GEOMETRY 14
• 3.7.5 HORIZONTAL PICTURE CENTRING 14
• 3.7.6 AGC 14
• 4 IC DESCRIPTION 15
• 4.1 UOC III SERIES 15
• 4.1.1 IC MARKING AND VERSION 15
• 4.1.2 BLOCK DIAGRAM 16
• 4.1.3 PINNING 17
• 4.1.4 FEATURES 20
• 4.2 LA42032 STEREO AUDIO AMPLI FIER 23
• 4.2.1 FEATURES 24
• 4.3 LA78040 VERTICAL AMPLIFIER 26
• 4.3.1 FEATURES 26
• 4.4 24WC16 - 16 KB EEPROM 28
• 4.5 STR - W6754 29
• 4.5.1 GENERAL DESCRIPTION 29
• 4.5.2 FEATURES 29
• 4.5.3 BLOCK DIAGRAM 29
• 4.5.4 PIN DESCRIPTION 30
• 4.5.5 CONTROL PART - ELECTRICAL CHARACTERISTICS
• 5 CIRCUIT DESCRIPTION 32
• 5.1 BLOCK DIAGRAM 32
• 5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR 33
• 5.2.1 Vision IF amplifier 33
• 5.2.2 QSS sound circuit 33
• 5.2.3 FM demodulator 33
• 5.2.4 Audio input selector and volume contro 34
• 5.2.4.1 STEREO AND AV STEREO VERSIONS 34
• 5.2.4.2 MONO VERSIONS 34
• 5.2.5 CVBS and Y/C input signal selection 34
• 5.2.5.1 ALL VERSIONS 34
• 5.2.6 Synchronisation circuit 35
• 5.2.7 Horizontal and vertical drive 36
• 5.2.8 Chroma, luminance and feature processing 36
• 5.2.9 Colour decoder 37
• 5.2.10 RGB output circuit 38
• 5.2.11 I2C Inter-Integrated Circuit; Последовательная асимметричная шина для связи между интегральными схемами. Использует линии связи (SDA и SCL)-BUS USER INTERFACE DESCRIPTION 40
• 5.3 GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSOR 40
• 5.3.1 Supported standards 41
• 5.4 FUNCTIONAL DESCRIPTION SOUND PROCESSOR 42
• 5.4.1 The UOC III TV Sound Concept 42
• 5.4.2 Functional Overview Of the digital controller sound part 43
• 5.4.3 Demodulator and decoder 44
• 6 SERVICE PARTS LIST 47
• 6.1 DTX-21G2FZP-SB 47
• 7 EXPLODED VIEW 52
• 7.1 DTX-21G2 52
• 7.2 DTX-21B4 53
• 7.3 DTX-21U7 54
• 8 PRINTED CIRCUIT BOARD 55
• 8.1 4859813693(OLD PCB) 55
• 8.2 4859816393(NEW PCB) 56
• 9 SCHEMATIC DIAGRAM 57
• 9.1 CP-520V