DAEWOO ELECTRONICS DSC-3220E/3220L User Manual Page 1

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Service Manual
Color Television
CHASSIS : SC-150
Model : DSC-3220E/3220L
S/M No. : DSC150BEF0
DEC . 2002
DAEWOO ELECTRONICS Corp.
http : //svc.dwe.co.kr
Page view 0
1 2 3 4 5 6 ... 85 86

Summary of Contents

Page 1 - Service Manual

Service ManualColor TelevisionCHASSIS : SC-150Model : DSC-3220E/3220LS/M No. : DSC150BEF0DEC . 2002DAEWOO ELECTRONICS Corp. http : //svc.dwe.co.kr

Page 2 - Contents

Service manual SC-150-9-CH EUROPE CCIR FRANCE GB(IRELAND) EAST OIRTC42 639.25 639.25 639.25 639.25C43 647.25 647.25 647.25 647.25C44 655.25 655.25 655

Page 3

Service manual SC-150-10-CH EUROPE CCIR FRANCE GB(IRELAND) EAST OIRTS10 168.25 212.75 - 168.25S11 231.25 224.75 - 231.25S12 238.25 236.75 - 238.25S13

Page 4

Service manual SC-150-11-1-3 ATSS sorting methodThe TV set sweeps all the TV bands from beginning of VHF to end of UHF. The TV controlling software fo

Page 5

Service manual SC-150-12-The sor ting order within group II, III, and IV is based on the channel frequency. The Pro gram with the lo westfrequency is

Page 6

Service manual SC-150-13-2 - Safety instructionWARNING: Only competent service personnel may carry out work involving the testing or repair of this eq

Page 7

Service manual SC-150-14-3 - Alignment instructions3-1 Microcontroller configuration : Service modeTo switch the TV set into service mode please see i

Page 8

Service manual SC-150-15-3-3 Microcontroller configuration : Option bitsThese option bits are available from Service mode. First find the OPTION contr

Page 9

Service manual SC-150-16-HOR PARALH BOWHOR WIDTHPARAROLA3-4-6- Horizontal picture centringAdjust HOR CEN(Horizontal center) to have the picture in the

Page 10 - Service manual SC-150

Service manual SC-150-17- CORNER EW TRAPEZ3-4-8- AGC- Adjust the antenna signal level at 70 dB V 2- Tune a colour bar pattern.- Find the “AGC” it

Page 11

Service manual SC-150-18-4 - IC description4-1 VCT383XA TV signal processor - Teletext decoder with embedded 8 bit - Controller.4-1-1- Block diagra

Page 12

Service manual SC-150-1-Contents1 - Main features ...

Page 13

Service manual SC-150-19- Horizontal scaling ( 0.25 to 4 ) Panoramavision Black-level expander Dynamic peaking Soft limiter (gamma correction) C

Page 14

Service manual SC-150-20- High-level command language FLOF (Fastext), and TOP support 10 pages memory on chip (10kB)4-1-5- Display OSD Features 3k

Page 15

Service manual SC-150-21-IC markingEnglish, French,German, Italian,Spanish, Dutch,Danish, Finnish,Norwegian, Swedish,Greek, Polish,Hungarian, Czech,Sl

Page 16

Service manual SC-150-22-14 GNDAF SUPPLY Ground, Analog Front-end15 VSUPAF SUPPLY Supply Voltage, Analog Front-end16 CBIN IN Analog Component Cb Input

Page 17

Service manual SC-150-23-OCP6463626160585756554846454443424140393837363435334754535251504959KBLEDMUTESDASCLRESETXTAL inOSC GNDGNDS/B 3.3VGNDGNDGNDXREF

Page 18

Service manual SC-150-24-4-2 MSP341x Multistandard Sound ProcessorThe MSP 341x is designed as a single-chip Multistandard Sound Processor for applicat

Page 19

Service manual SC-150-25-- high deviation FM-mono mode (max. deviation: approx. ±360 kHz)4-2-1-2 DSP-Section (Audio Baseband Processing)- flexible se

Page 20

Service manual SC-150-26-TV standardsTV Position of sound Sound modulation Color system Countrysystem carrier (MHz)B/G 5.5 / 5.7421875 FM Stereo PAL G

Page 21

Service manual SC-150-27-12 TP In / Out Test pin13 TP Out Test pin14 NC Not Connected15 TP Out Test pin16 TP Out Test pin17 TP Out Test pin18 DVSUP Di

Page 22

Service manual SC-150-28-Pin No. Pin Name Type Short description59 ANA_IN1- In IF common60 NC Not Connected61 TESTEN In Test pin62 XTAL_IN In Crystal

Page 23

Service manual SC-150-2-4-5-2 TDA8358J ...

Page 24

Service manual SC-150-29-Pin Symbol Function19 VSWAFC switch20, 21 VVCOVCO circuit22 VAFCAFC output23 VSSupply voltage24 VO, FMIntercarrier output25 V

Page 25

Service manual SC-150-30-Pin Symbol Description1 OUT1- negative loudspeakerterminal 12 GND1 ground channel 13 Vcc1 supply voltage channel 14 OUT1+po

Page 26

Service manual SC-150-31-Block diagram TDA8946J Pin configuration316Vcc1 Vcc2IN1-OUT1-OUT1-OUT1+OUT2-OUT2+IN1+IN1-IN2-MODESVRIN2+n.c.n.c.n.c.GNDGND2GN

Page 27

Service manual SC-150-32-4-5-1 TDA8358JAn East-West output stage is provided that is able to sink currentfrom the diode modulator circuit.Features :-

Page 28

Service manual SC-150-33-4-6 TDA6107QThe TDA6107Q includes three video output amplifiers in one plastic DIL-Bent-SIL 9-pin medium power package,using

Page 29

Service manual SC-150-34-Block diagram TDA6107Q

Page 30

Service manual SC-150-35-4-7 24C16 - 16 Kb EEPROMfeatures :- 16 Kbit serial I2C bus EEPROM- Single supply voltage : 4.5 V to 5.5 V- 1 Million Erase/Wr

Page 31

Service manual SC-150-36-4-8 STR - F66534-8-1 General descriptionThe STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for fly

Page 32

Service manual SC-150-37-4-8-4 Pins descriptionpin name symbol description1 Overcurrent / feedback O.C.P./ F.B. Input of over current detection signal

Page 33

Service manual SC-150-38-DESCRIPTION4-8-6 MOSFET electrical characteristicsIC PINS RATINGNUMBER MIN. TYPE MAXDrain-to-source break 3-2 VDSS650 - - Vv

Page 34

Service manual SC-150-3-Fo5-4-1 Introduction...

Page 35 - Block diagram TDA6107Q

Service manual SC-150-39-4-9 CXA1315P4-9-1 General descriptionThe CXA1315M/P is developed as a 5-channel 8- bit D/A converter supporting with I 2 C bu

Page 36

Service manual SC-150-40-4-9-4 Pin DescriptionPin Symbol DescriptionI/O pin for general purpose I/O port1 SW12 SW0VILmax: 1.5V9 SW2VIHmin: 3V10 SW3VOL

Page 37

Service manual SC-150-41-4-10 MM11184-10-1 General descriptionThis is a 3-input, 1-output video switch IC with a clamp function and built-in 6dB amp,

Page 38

Service manual SC-150-42-4-11 LA65154-11-1 General descriptionThe LA6515 features an on-chip current limiter and provides high voltage gain and a high

Page 39

Service manual SC-150-43-5 - Circuit description5-1 Block diagram

Page 40 - C Decoder

Service manual SC-150-44-5-2 IF section5-2-1 Block diagram The video IF signal (VIF) is fed through a SAW filter to the differential input (Pin 6-7)

Page 41

Service manual SC-150-45-SAW filtersRef. Standard FeaturesK3953M B/G - D/K - I - L/L’ - IF filter for video application- TV IF filter with Nyquist sl

Page 42

Service manual SC-150-46-5-2-5 Video Demodulation and AmplifierThe video IF signal, which is applied from the gain controlled IF amplifier, is multip

Page 43

Service manual SC-150-47-5-3 Video - VCT description5-3-1 IntroductionThe VCT 38xxA includes complete video, display, and deflection processing.All p

Page 44

Service manual SC-150-48-5-3-8 Adaptive Comb Filter (VCT3834A only)The adaptive comb filter is used for high-quality luminance/chrominance separation

Page 45

Service manual SC-150-4-1- Main Features1-1 SpecificationsTV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L'Sound system NICAM B/G, I, D/K,

Page 46

Service manual SC-150-49-5-3-11 Video Sync ProcessingTo extract the sync information from the video signal, a linear phase low-pass filter eliminates

Page 47

Service manual SC-150-50-5-3-15 CRT Measurement and ControlThe display processor is equipped with an 8-bit ADC for all measuring purposes. The ADC is

Page 48

Service manual SC-150-51-5-3-20 EHT CompensationThe vertical waveform can be scaled according to the average beam current. This is used to compensate

Page 49

Service manual SC-150-52-configurationStand by TV ON1 Power Push Pull Low Push Pull High Switch OFF / ON SMPS2 AGC High impedance High impedance Tuner

Page 50

Service manual SC-150-53-Format Zoom factor – TV with Description ApplicationName(OSD) 16:9 CRTVertical Horizontal4:3 100% 75% Picture is centred with

Page 51

Service manual SC-150-54-The following schematic, illustrates the logic of control for the two SCART connectors.The terms used in the schematic are de

Page 52

Service manual SC-150-55-can always be overridden by the user after the event.Each line on the diagram, with its associated text, represents the exact

Page 53

Service manual SC-150-56-OSD Language C C C Teletext Language ESC Mapping12 13 14 Teletext Language0 0 0 English English Latin0 0 1 German German Lati

Page 54

Service manual SC-150-57-5-6-4 NICAM decoderIn case of NICAM - mode, the phase samples are decoded according the DQPSK - coding scheme. The output of

Page 55

Service manual SC-150-58-5-7-2 Mode selectionThe TDA894xJ has several functional modes, which can be selected by applying the proper DC voltage to pi

Page 56

Service manual SC-150-5-Specification matrixChassis Name3834AR46G224859812224(MAIN)/ 4959812324(Union)16:9 Real FlatAuto / 4:3 / 14:9 / Zoom 14:9 /Zoo

Page 57

Service manual SC-150-59-5-9 Power supply (STR F6654)5-9-1 STR-F6654 general descriptionThe STR-F6654 is an hybrid IC with a build-in MOSFET and cont

Page 58

Service manual SC-150-60-When the power switch is pushed on, VIN increases slowly. During this time, C806 is charged through R802.As soon as VIN reach

Page 59

Service manual SC-150-61- 5-9-2-2 STR-F6654 oscillating operation

Page 60

Service manual SC-150-62- When the MOSFET is ON, the STR-F6654 internal capacitor C1 is charged at the constant voltage 6.5V.At the same time, the

Page 61

Service manual SC-150-63-5-10 TV start-up, TV normal run and stand by mode operations5-10-1 TV start-up operations* Schematic diagram for start-up op

Page 62

Service manual SC-150-64-. If the TV set was on normal run mode before switching off, the microcontroller delivers horizontal drive voltage at pin24 a

Page 63

Service manual SC-150-65-On normal run mode, I501 microcontroller pin 1 (power) is set to high So, I810 controlled rectifier is not conducting- Q809

Page 64

Service manual SC-150-66-* power supply functioning during TV set normal run mode- I801 transmits controlled pulses to T801 which generates DC voltage

Page 65

Service manual SC-150-67- 243DRAINI801 MOFSET AND CONTROL IC1MAIN AC VOLTAGEI804OPTOCOUPLERI823 3.3VREGULATORI703 IRRECEIVERFRONTMASKBUTTONSI810CONTRO

Page 66

Service manual SC-150-68-I810CONTROLLEDRECTIFIERR820R830C830R829Q8086V DCQ809Q807HIGHHIGHHIGHLOWPOWERLOW Fig : I810 controlled rectifier switching cir

Page 67

Service manual SC-150-6-21 Pin EURO-SCART 1 :Pin Signal Description Matching value1 Audio Output Right 0.5 Vrms, Impedance < 1 , ( RF 54% Mod

Page 68

Service manual SC-150-69-z_loc z_parts_code parts_name parts_descrZZ100 48B4846G22 TRANSMITTER REMOCON R-46G22 (AAA)ZZ110 PEPKCPD037 PACKING AS DSC-32

Page 69

Service manual SC-150-70-z_loc z_parts_code parts_name parts_descrM222 4859906111 CORD POWER M5206+H03VVH2-F=2250M222T 4857417700 TERM CLAMP PT-01-T3Q

Page 70 - 6-1. Service Parts List

Service manual SC-150-71-z_loc z_parts_code parts_name parts_descrR850 RS02Z129JS R M-OXIDE FILM 2W 1.2 OHM J SMALLR890 RS02Z683J- R M-OXIDE FILM 2W 6

Page 71

Service manual SC-150-72-z_loc z_parts_code parts_name parts_descrQ334 TKTC3198Y- TR KTC3198YQ402 T2SD1207T- TR 2SD1207-T (TAPPING)Q510 TKTC3198Y- TR

Page 72

Service manual SC-150-73-z_loc z_parts_code parts_name parts_descrCA18 CCZB1H102K C CERA 50V B 1000PF K (AXIAL)CA30 CCZF1H103Z C CERA 50V F 0.01MF ZCA

Page 73

Service manual SC-150-74-z_loc z_parts_code parts_name parts_descrJ137 RD-AZ471J- R CARBON FILM 1/6 470 OHM JJ138 85801065GY WIRE COPPER AWG22 1/0.65

Page 74

Service manual SC-150-75-z_loc z_parts_code parts_name parts_descrR160 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM JR161 RD-AZ102J- R CARBON FILM 1/6 1K OHM

Page 75

Service manual SC-150-76-z_loc z_parts_code parts_name parts_descrR621 RD-AZ102J- R CARBON FILM 1/6 1K OHM JR622 RD-AZ102J- R CARBON FILM 1/6 1K OHM J

Page 76

Service manual SC-150-77-z_loc z_parts_code parts_name parts_descrPA01A 4850709N04 CONNECTOR YH025-09+YBNH250+USW=400PF01 4850707S02 CONNECTOR YH025-0

Page 77

Service manual SC-150-78-z_loc z_parts_code parts_name parts_descrRT06 RD-AZ683J- R CARBON FILM 1/6 68K OHM JRT07 RD-AZ563J- R CARBON FILM 1/6 56K OHM

Page 78

Service manual SC-150-7-19 Video Output 1 Vpp 3dB, Impedance 75 ( Monitor output ) - Not available for cp88520 Video Input, Y In. 1 Vpp

Page 79

Service manual SC-150-79-MICOM/PCB Ver.Loc RB02P502P5034959812224-014959812224-00DW3834-C4-AE2 DW3834-C4-AE2 New Micom(V0.24)* THE DIFFERENT PART LIS

Page 80

Service manual SC-150-80-123456789101112131415161718192021221212PON12 3 4MLKJI5 6 7 8 9 10 11HGFED49500038CBAD1N2 3 4 5 6 7 8 9 10 1113 14 15 16 17 18

Page 81

Service manual SC-150-81-8-1. PCB MAIN

Page 82 - 8-1. PCB MAIN

Service manual SC-150-82-8-2. PCB UNION

Page 83 - 8-2. PCB UNION

Service manual SC-150-83-9-1. Schematic Diagram(MAIN

Page 84 - 9-1. Schematic Diagram(MAIN

Service manual SC-150-84-9-2. Schematic Diagram(UNION)

Page 86

Service manual SC-150-8-CH EUROPE CCIR FRANCE GB(IRELAND) EAST OIRTC01 46.25 - 47.75 49.75C02 48.25 55.75 (L’) 53.75 59.25C03 55.25 60.5 (L’) 61.75 77

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