Daewoo CP-885F, WP-895F service manual Circuit description

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Service ma nual WP-895/895F. CP885/885F

4-5-2 TDA8358J

33

4-6 TDA6107Q

34

4-7 24C16 - 16 Kb EEPROM

37

4-8 STR - F6653

38

4-8-1

General description

38

4-8-2

Features

38

4-8-3

Block diagram

38

4-8-4

Pin description

39

4-8-5

Control part - electrical characteristics

39

4-8-6

MOSFET electrical characteristics

40

5 - Circuit description

41

5-1 Block diagram

41

5-2 IF section

42

5-2-1

Block diagram

42

5-2-2

Vision IF Amplifier

42

5-2-3

Tuner-and VIF-ACG

43

5-2-4

FPLL, VCO and AFC

43

5-2-5

Video Demodulation and Amplifier

44

5-5-6

Sound IF Amplifier and SIF-AGC

44

5-2-7

Quasi-Parallel-Sound (QPS) Mixer

44

5-2-8

Standard Switch

44

5-2-9

L’ Switch

44

5-2-10 Internal Voltage Stabiliser

44

5-3 Video - VCT description

45

5-3-1

Introduction

45

5-3-2

Video Front-end

45

5-3-3

Input Selector

45

5-3-4 Clamping

45

5-3-5

Automatic Gain Control

45

5-3-6

Digitally Controlled Clock Oscillator

45

5-3-7

Analogue Video Output

45

5-3-8

Adaptive Comb Filter (VCT3834A only)

46

5-3-9

Color Decoder

46

5-3-10 Horizontal Scaler

46

5-3-11 Video Sync Processing

47

5-3-12 Display Processing

47

5-3-13 Chroma Transient Improvement

47

5-3-14 Video Back-end

47

5-3-15 CRT Measurement and Control

48

5-3-16 Average Beam Current Limiter

48

5-3-17 Analogue RGB Insertion

48

5-3-18 Fast-Blank Monitor

48

5-3-19 Vertical and East/West Deflection

49

5-3-20

EHT Compensation

49

5-3-21 Reset Function

49

5-3-22 Standby and Power-On

49

5-4 Micro-controller

49

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Contents Colour Television Contents Circuit description PCB Layout Circuit Diagram Tuning system Main FeaturesPower consumption Sound Output PowerSpecification matrix Pin Signal Description Matching value Page C04 C01C02 C03C42 S13 S10S11 S12Special case Country selection = Others Program Group SkipITV RAY Radiation Precaution Safety instructionHOR Width Order Default settingh for wpAlignment instructions ParabolaDisable HOR Paral BOW Corner EW Trapez IC description Page Page IC version VCT 3832A Chassis IC marking OSD languages Atss countries TextPin Name Type Short Description Gndaf Supply VCT Page German 2-Carrier System Dual FM System DSP-Section Audio Baseband ProcessingAnalogue Section Nicam plus FM/AM-MonoAdrsel PALSECAM-L UssrDvsup Xtalin FeaturesANAIN1 TestenPin Symbol Function Mode OUT1GND1 OUT1+Block diagram TDA8944J GND Page Page Inverting input Block diagram TDA6107Q SCL SDAPage Description IC PIN Symbol Rating Unit OCH -F MINCircuit description If section Block diagram Vision if Amplifier Standard Features Page Page Adaptive Comb Filter VCT3834A only Video Sync Processing CRT Measurement and Control Page Stand by ConfigurationDescription Application Page Page Quadrature Mixers ESCPage Page STR-F6654 general description Power supply primary part operationsPage STR-F6654 oscillating operation Overvoltage protection circuit OVP Overcurrent protection function OCPLatch circuit Thermal shutdown circuit TSDTV start-up operations TV normal run and stand-by mode operations Page FBT CP885/885F N T R O L L E D Rectifier 6V DC High Service Parts List Spark GAP CBXF1H104Z Cera Semi 50V F 0.1MF Z Tapping CZSL1H220J Cera 50V SL 22PF J Axial CCZB1H222K Cera Coil Peaking Wire Copper Carbon Comp Exploded View Exploded View DTF-29U8 DTP-28A7 Service Man ual WP-895/895F, CP885/885F DTP-28G7 DTP-28G8 Printed Circuit Board Page Page 686, AHYEON-DONG MAPO-GU SEOUL, Korea

CP-885F, CP-885, WP-895, WP-895F specifications

The Daewoo WP-895F, WP-895, CP-885, and CP-885F are versatile washing machines that embody the brand’s commitment to quality and innovation. These models are designed to meet the diverse needs of modern households, offering a range of features that enhance laundry efficiency and user convenience.

The WP-895F and WP-895 are known for their user-friendly design and robust functionality. They come equipped with advanced washing programs that cater to various fabric types, ensuring optimum care for garments. One of the standout features of these models is the 10kg capacity, which is ideal for larger families or those who frequently do laundry. The machines boast an energy-efficient motor that reduces power consumption while delivering superior washing performance.

Integrated with smart sensors, the WP-895F and WP-895 adjust water levels according to the load size, optimizing resource usage and making washing more economical. Additionally, the models feature a delayed start option, allowing users to schedule wash cycles at their convenience.

On the other hand, the CP-885 and CP-885F stand out for their compact design and functionality. Ideal for apartments or smaller spaces, these machines offer a 7.5kg capacity while delivering impressive wash quality. They include specialized washing modes for delicates, heavy-duty fabrics, and quick washes, thus accommodating a wide range of laundry needs.

Both CP models are designed with user comfort in mind, featuring intuitive control panels that simplify operation. The CP-885F includes an enhanced filtration system that captures lint and other particles, ensuring cleaner wash results while prolonging the machine's lifespan.

Each model incorporates durable and reliable technology, with stainless steel drums that resist rust and enhance longevity. The noise reduction technology also ensures that laundry day remains a peaceful experience, reducing operational sound levels significantly.

Overall, the Daewoo WP-895F, WP-895, CP-885, and CP-885F are equipped with essential features and cutting-edge technologies that cater to the evolving demands of households. With their combination of efficiency, capacity, and innovative design, these washing machines exemplify Daewoo's dedication to improving everyday laundry experiences. Whether for large families or smaller living spaces, these models provide robust solutions that make laundry tasks simpler and more effective.