Daewoo DSC-3220E/3220L service manual Pin Name Symbol Description, Vin Ovp, Iin H, Tj Tsd

Page 38

Service manual SC-150

4-8-4 Pins description

pin

name

 

 

symbol

 

description

 

 

 

 

1

Overcurrent / feedback

 

O.C.P./ F.B.

 

Input of over current detection signal and

 

 

 

 

 

 

 

feedback signal

 

 

 

 

2

Source

 

 

S

 

MOSFET source

 

 

 

3

Drain

 

 

D

 

MOSFET drain

 

 

 

 

4

Supply

 

 

VIN

 

Input of power supply for control circuit

 

5

Ground

 

 

GND

 

Ground

 

 

 

 

4-8-5 Control part electrical characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DESCRIPTION

IC PIN

SYMBOL

 

 

RATING

 

 

UNIT

 

 

 

 

 

 

 

 

NUMBER

 

MIN.

 

TYPE

MAX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation start voltage

4-5

 

VIN (on)

 

14.4

 

16

17.6

 

V

 

 

 

 

 

 

 

 

 

 

 

Operation stop voltage

4-5

 

VIN (off)

 

9

 

10

111

 

V

 

 

 

 

 

 

 

 

 

 

 

Circuit current in

4-5

 

IIN (on)

 

-

 

-

30

 

mA

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit current in non-

4-5

 

IIN (off)

 

-

 

-

100 mA

 

A

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum OFF time

-

 

TOFF (max)

 

45

 

-

55

 

SEC

 

 

 

 

 

 

 

 

 

 

 

Minimum time for input of

1-5

 

TTH (2)

 

-

 

-

1.0

 

SEC

quaxi resonant signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum off time

-

 

TOFF (min)

 

-

 

-

1.5

 

SEC

O.C.P./F.B. terminal

1-5

 

VTH (1)

 

0.68

 

0.73

0.78

 

V

threshold voltage 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal

1-5

 

VTH (2)

 

1.3

 

1.45

1.6

 

V

threshold voltage 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal extraction

1-2

 

IOCP/FB

 

1.2

 

1.35

1.5

 

mA

current

 

 

 

 

 

 

 

 

 

 

 

O.V.P. operation voltage

4-5

 

VIN (OVP)

 

20.5

 

22.5

24.5

 

V

 

 

 

 

 

 

 

 

 

 

 

Latch circuit sustaining voltage

4-5

 

IIN (H)

 

-

 

-

400

 

A

 

 

 

 

 

 

 

 

 

 

 

Latch circuit release voltage

4-5

 

VIN (La.off)

 

6.6

 

-

8.4

 

V

 

 

 

 

 

 

 

 

 

 

 

Thermal shutdown operating

-

 

TJ (TSD)

 

140

 

-

-

 

0 C

temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-37-

Page 37 Page 39
Image 38
Page 37 Page 39
Contents Chassis SC-150 Contents General description Main PCB Union PCB Sound Output Power Main FeaturesPower consumption Tuning systemSvhs Pin Signal Description Matching value Page C03 C01C02 C04639.25 S12 S10S11 S13Program Group Skip Special case Country selection = OthersITV Safety instruction RAY Radiation PrecautionParabola Order Default settingh for SC-150Alignment instructions HOR WidthOption HOR Paral BOW HOR Width Corner EW Trapez IC description VCTPage Page Pin Name Type Short Description IC version VCT 3832A VCT 3834AChassis IC marking OSD languages Atss countries Text Gndaf Supply AGC Page Nicam plus FM/AM-Mono DSP-Section Audio Baseband ProcessingAnalogue Section German 2-Carrier System Dual FM SystemUssr PALSECAM-L AdrselDvss ResetqDvsup VREF2Testen FeaturesANAIN1 XtalinPin Symbol Function OUT1+ OUT1GND1 ModeTDA8946J Page GND Block diagram TDA6107Q SDA SCLPage IIN H Pin Name Symbol DescriptionVIN OVP TJ TSDDescription IC Pins Symbol Rating Unit I2C Decoder SW2 SW1SW0 SW3IN1 IN3OUT IN2VEE Circuit description If section Block diagram Vision if Amplifier Standard Features FPLL, VCO and AFCPage Page Adaptive Comb Filter VCT3834A only Video Sync Processing CRT Measurement and Control Page Configuration Stand byDescription Application Forced KEY Page ESC Quadrature MixersPage Page Power supply primary part operations STR-F6654 general descriptionPage STR-F6654 oscillating operation Thermal shutdown circuit TSD Overcurrent protection function OCPLatch circuit Overvoltage protection circuit OVPTV start-up operations TV normal run and stand-by mode operations Page FBT SC-150 Controlled Rectifier 6V DC High Service Parts List Cord Power Oxide Film 2W 1.2 OHM J Small Semi Fixed CCZB1H561K Cera Carbon Film Metal Film Carbon Comp PA01A RF27 RD-4Z221J Jumper DEL Different Part List by PCB & Micom Version Main PCBUnion PCB JumperExplode View PCB Main PCB Union Schematic DiagramMAIN Schematic DiagramUNION

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.
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