Service manual SC-150

5-3-17 Analogue RGB Insertion

50

5-3-18 Fast-Blank Monitor

50

5-3-19 Vertical and East/West Deflection

50

5-3-20 EHT Compensation

51

5-3-21 Reset Function

51

5-3-22 Standby and Power-On

51

5-4 Micro-controller

51

5-4-1

Introduction

51

5-4-2

CPU

51

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

52

5-4-4 Tuning

52

5-4-5

Automatic Format switching and WSS

52

5-4-6

EXTERNAL source control logic

54

5-4-7

Over Current Protection

55

5-5Teletext 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 discr imination

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

58

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

58

5-8-5

EAST-WEST Amplifier (TDA8358J only)

58

5-9 Power supply (STR F6653)

59

5-9-1

STR-F6654 genera al description

59

5-9-2

Power supply primary par t operations

59

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

63

5-10-1 TV start-up operations

63

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

64

6 - Service parts list

69

6 -1 Service

part list

69

6 -2 Service

part list option

79

7 - Exploded View

80

8 - PCB Layout

81

8 -1 MAIN PCB

81

8 -2 UNION PCB

82

9 - Circuit Diagram

83

9 - 1 Circuit Diagram(MAIN)

83

9 - 2 Circuit Diagram(UNION)

84

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Daewoo DSC-3220E/3220L service manual Main PCB Union PCB

DSC-3220E/3220L specifications

The Daewoo DSC-3220E/3220L is a noteworthy addition to the lineup of high-efficiency air conditioning solutions, specifically crafted to meet the demands of varying climatic conditions. With a blend of innovative technologies and robust design, these models stand out in the realm of home and commercial air conditioning.

One of the main features of the DSC-3220E/3220L is its efficient cooling performance. The units are built with advanced rotary compressors, which are designed to operate efficiently while providing powerful cooling capabilities. This allows for quick temperature adjustments, making it an ideal choice for those who seek rapid relief from heat.

Another remarkable aspect of the DSC-3220E/3220L is its energy-efficient operation. With a superior Energy Efficiency Ratio (EER), these air conditioning units ensure that energy consumption is minimized without compromising comfort. This not only reduces electricity bills but also contributes to a smaller carbon footprint, making it an environmentally friendly choice.

The units also come equipped with state-of-the-art air filtration technologies. The multi-layer air filters are designed to capture dust, pollen, and other airborne particles, ensuring that the air in the environment remains clean and healthy. This feature is particularly beneficial for allergy sufferers and enhances the overall indoor air quality.

In terms of user convenience, the DSC-3220E/3220L models are engineered with user-friendly controls. Many features, including temperature settings and fan speeds, can be easily adjusted through a remote control or a digital display panel on the unit itself. This ensures that users can customize their comfort levels with minimal effort.

Noise reduction is another critical characteristic of the DSC-3220E/3220L. Both models are designed with silent operation in mind, making them suitable for bedrooms, offices, and other environments where noise can be a distraction. The sound insulation techniques employed help maintain a serene atmosphere while enjoying optimal cooling.

Furthermore, installation of the DSC-3220E/3220L air conditioning systems is straightforward, making them accessible for residential and commercial settings alike. The compact design and versatility in installation options allow these units to fit seamlessly into various spaces without sacrificing performance.

Overall, the Daewoo DSC-3220E/3220L embodies a fine balance of efficiency, technology, and user-centric design, making it a commendable choice for air conditioning needs in diverse settings. With its reliable performance and thoughtful features, it continues to gain popularity among consumers looking for effective climate solutions.