Daewoo CP-385 User Manual

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http : //svc.dwe.co.kr
Caution
: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center(http://svc.dwe.co.kr)
DAEWOO ELECTRONICS Corp.
Service Manual
June. 2004
COLOR TELEVISION
CHASSIS : CP-520
MODEL : DTY-28A8/28A6/28A7
DTY-2880/28W5
DTY-21U7/21B4
DTY-25G6/25G7
CHASSIS : CP-520A
MODEL : DTC-20T2
DTC-21Y1/21Y2
CHASSIS : CP-520F
MODEL : DTZ-29U7/U3
DTZ-2881/28W8
DTZ-2481
P/N:TCP520BEF0
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Summary of Contents

Page 1 - Service Manual

http : //svc.dwe.co.krCaution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if

Page 2

CP-520/520A/520F Service Manual DTV R&D Europe 9 2 SAFETY INSTRUCTION WARNING: Only competent service personnel may carry out work involving the

Page 3

CP-520/520A/520F Service Manual DTV R&D Europe 103 ALIGNMENT INSTRUCTIONS 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE To switch the TV set

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CP-520/520A/520F Service Manual DTV R&D Europe 11 3.4 OPTION 1 B7 B6 B5 B4 B3 B2 B1 B0 1 TOP Teletext OFF FASTEXT (FLOF) OFF TUBE 4:3 V

Page 5

CP-520/520A/520F Service Manual DTV R&D Europe 123.6 NVM default setting The purpose of this message, when you change a virgin EEPROM, is to al

Page 6

CP-520/520A/520F Service Manual DTV R&D Europe 13 NVM DATA CHANGE LIST (hex) CP-520 CP-520F CP-520A No Register Name Address Default 28A

Page 7

CP-520/520A/520F Service Manual DTV R&D Europe 143.7 TV SET ALIGNMENT 3.7.1 G2 ALIGNMENT - Tune a colour bar pattern. - Find the “G2 – SCREEN”

Page 8

CP-520/520A/520F Service Manual DTV R&D Europe 15 HOR WIDTH adjust for 93% overscan. PARABOLA CORNER B & CORNER T EW TRAPEZ 3.7.7 AGC

Page 9

CP-520/520A/520F Service Manual DTV R&D Europe 164 IC DESCRIPTION 4.1 UOC III Series The UOCIII series combines the functions of a Video Signa

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CP-520/520A/520F Service Manual DTV R&D Europe 17 4.1.2. BLOCK DIAGRAM

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CP-520/520A/520F Service Manual DTV R&D Europe 18 4.1.3. PINNING QFP 128pin Symbol Short Description 1 P1.5/TX Port 1.5 or UART bus 2 P1.4

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CP-520/520A/520F Service Manual DTV R&D Europe 1CONTENTS DOCUMENT HISTORY...

Page 13

CP-520/520A/520F Service Manual DTV R&D Europe 1943 GO Green output 44 RO Red output 45 BLKIN black current input 46 BCLIN beam current l

Page 14

CP-520/520A/520F Service Manual DTV R&D Europe 2087 SIFAGC/DVBAGC (2) AGC sound IF / internal-external AGC for DVB applications 88 PLLIF IF-PL

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CP-520/520A/520F Service Manual DTV R&D Europe 214.1.4 FEATURES Analogue Video Processing (all versions) · Multi-standard vision IF circuit with

Page 16

CP-520/520A/520F Service Manual DTV R&D Europe 22windows in parallel. · Linear and non-linear horizontal scaling of the video signal to be displa

Page 17

CP-520/520A/520F Service Manual DTV R&D Europe 23· FM overmodulation adaptation option to avoid clipping and distortion Audio Multi Channel Decod

Page 18

CP-520/520A/520F Service Manual DTV R&D Europe 24· 5 PWM (6-bits) outputs for analogue control functions · Remote Control Pre-processor (RCP) · U

Page 19

CP-520/520A/520F Service Manual DTV R&D Europe 25all-NPN output stage and standby/mute logic. The TDA8946J comes in a 17-pin DIL-bent-SIL(DBS) po

Page 20

CP-520/520A/520F Service Manual DTV R&D Europe 26 Block diagram TDA8946J

Page 21

CP-520/520A/520F Service Manual DTV R&D Europe 27 4.3 TDA8358J VERTICAL AMPLIFIER The TDA8358J are power circuit for use in 90° and 110° colour

Page 22

CP-520/520A/520F Service Manual DTV R&D Europe 28 Pinning Pin Symbol Description 1 INA Positeve vertical input 2 INB Negative vertical inp

Page 23

CP-520/520A/520F Service Manual DTV R&D Europe 25.2.4.1 STEREO AND AV STEREO VERSIONS...

Page 24

CP-520/520A/520F Service Manual DTV R&D Europe 294.4 TDA6107AJF The TDA6107AJF includes three video output amplifiers and is intended to drive t

Page 25

CP-520/520A/520F Service Manual DTV R&D Europe 30 Block diagram TDA6107AJF 4.5 24WC16 - 16 KB EEPROM Features : § 16 Kbit serial I2C bus EEPROM

Page 26

CP-520/520A/520F Service Manual DTV R&D Europe 314.6 STR - F6653 4.6.1 GENERAL DESCRIPTION The STR-F6653 is an hybrid IC with a build-in MOSFE

Page 27

CP-520/520A/520F Service Manual DTV R&D Europe 324.6.4 PIN DESCRIPTION PIN NAME SYMBOL DESCRIPTION 1 Overcurrent feedback O.C. P/E.B. Input

Page 28

CP-520/520A/520F Service Manual DTV R&D Europe 33 4.6.6 MOSFET ELECTRICAL CHARACTERISTICS IC PIN RATING DESCRIPTION NUMBER SYMBOL

Page 29

CP-520/520A/520F Service Manual DTV R&D Europe 345 CIRCUIT DESCRIPTION 5.1 BLOCK DIAGRAM

Page 30

CP-520/520A/520F Service Manual DTV R&D Europe 35 5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR 5.2.1 Vision IF amplifier The vision IF amplifi

Page 31

CP-520/520A/520F Service Manual DTV R&D Europe 36applied to obtain sufficient selectivity (the sound input can be activated by means of the setti

Page 32

CP-520/520A/520F Service Manual DTV R&D Europe 37The Ics have 3 inputs for external CVBS signals. All CVBS inputs can be used as Y input for the

Page 33

CP-520/520A/520F Service Manual DTV R&D Europe 38available on one of the other CVBS inputs.In this condition the connections between the vision I

Page 34

CP-520/520A/520F Service Manual DTV R&D Europe 3DOCUMENT HISTORY VERSION DATE COMMENTS V1.00 12/05/04 Creation of document (Author JS KIM) f

Page 35

CP-520/520A/520F Service Manual DTV R&D Europe 39The circuit contains the following picture improvement features: n Peaking control circuit. The

Page 36

CP-520/520A/520F Service Manual DTV R&D Europe 40 The SECAM decoder contains an auto-calibrating PLL demodulator which has two references, viz: t

Page 37

CP-520/520A/520F Service Manual DTV R&D Europe 41 The setting of the gain registers of the 3 channels can be stored during switch off and ca

Page 38

CP-520/520A/520F Service Manual DTV R&D Europe 425.2.11 I2C-BUS USER INTERFACE DESCRIPTION The UOC III series is fully controlled via the I2C-b

Page 39

CP-520/520A/520F Service Manual DTV R&D Europe 43n Automatic decoder configuration and signal routing depending on the selected or detected stand

Page 40

CP-520/520A/520F Service Manual DTV R&D Europe 44PARAMETER A2/A2* A2+ (KOREA) Pilot frequency 54.6875kHz = 3.5 x line freq. 55.0699 kHz = 3.5

Page 41

CP-520/520A/520F Service Manual DTV R&D Europe 45intercarrier and an external second SIF(2NDSIFEXT), e.g. an intercarrier coming from a PIP front

Page 42

CP-520/520A/520F Service Manual DTV R&D Europe 46decoding is done in the DEMDEC block of the Sound DSP. The DEMDEC processing will be described i

Page 43

CP-520/520A/520F Service Manual DTV R&D Europe 47output signal of the first demodulator can be used for further demodulation of multiplex signals

Page 44

CP-520/520A/520F Service Manual DTV R&D Europe 48number of sound sample errors, resulting from parity checking, that occurred in the past 128ms p

Page 45

CP-520/520A/520F Service Manual DTV R&D Europe 41 MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL TV standard PAL - SECAM B/G D/K, PAL I/I,

Page 46

49CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europe6. SERVICE PARTS LIST6.1 DTY--28A8FZF-Sz_loc z_parts_code parts_name parts_desc

Page 47

50CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkZ1

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51CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

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52CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkJ1

Page 50 - 6. SERVICE PARTS LIST

53CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

Page 51 - DTV- R&D Europe

54CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr remarkZ

Page 52

55CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name

Page 53

56CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkQ8

Page 54

57CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name

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58CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkR5

Page 56

CP-520/520A/520F Service Manual DTV R&D Europe 58 Slow Switching TV : 0 to 2V, AV 16/9 : 4.5 to 7V, AV 4/3 : 9.5 to 12V , Impedance > 10 kΩ

Page 57

59CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

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60CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr remarkE

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61CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

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62CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkJ4

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63CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name

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64CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkZZ

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65CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

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66CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkQ5

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67CP-520/520A/520F Service ManualDTV- R&D EuropeDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name p

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68CP-520/520A/520F Service ManualDTV- R&D Europez_loc z_parts_code parts_name parts_descr remarkz_loc z_parts_code parts_name parts_descr remarkR5

Page 67

CP-520/520A/520F Service Manual DTV R&D Europe 6 1.2 CHANNEL/FREQUENCY TABLE CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT C01 46.25 -

Page 68

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-1 DTY-28A869

Page 69

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-2 DTY-288070

Page 70 - 7-1 DTY-28A8

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-3 DTY-21U771

Page 71 - 7-2 DTY-2880

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View727-4 DTY-25G6

Page 72 - 7-3 DTY-21U7

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-5 DTC-20T273

Page 73 - 7-4 DTY-25G6

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-6 DTC-21Y174

Page 74 - 7-5 DTC-20T2

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-7 DTZ-29U775

Page 75 - 7-6 DTC-21Y1

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-8 DTZ-288176

Page 76 - 7-7 DTZ-29U7

CP-520/520A/520F Service ManualDTV R&D Europe7. Exploded View7-9 DTZ-248177

Page 77 - 7-8 DTZ-2881

CP-520/520A/520F Service ManualDTV R&D Europe8. Printed Circuit Board8-1 4859809693(CP-520)78

Page 78 - 7-9 DTZ-2481

CP-520/520A/520F Service Manual DTV R&D Europe 7C46 671.25 671.25 671.25 671.25 C47 679.25 679.25 679.25 679.25 C48 687.25 687.25 687.

Page 79 - 8-1 4859809693(CP-520)

CP-520/520A/520F Service ManualDTV R&D Europe8. Printed Circuit Board8-2 4859809893(CP-520A)79

Page 80 - 8-2 4859809893(CP-520A)

CP-520/520A/520F Service ManualDTV R&D Europe8. Printed Circuit Board8-3 4859809993(CP-520F)80

Page 81 - 8-3 4859809993(CP-520F)

CP-520/520A/520F Service ManualDTV R&D Europe9. Schematic Diagram9-1 CP-52081

Page 82 - 9-1 CP-520

CP-520/520A/520F Service ManualDTV R&D Europe9. Schematic Diagram9-2 CP-520A82

Page 83 - 9-2 CP-520A

CP-520/520A/520F Service ManualDTV R&D Europe9. Schematic Diagram9-3 CP-520F83

Page 85

CP-520/520A/520F Service Manual DTV R&D Europe 8S18 280.25 136.00 295.25 280.25 S19 287.25 160.00 303.25 287.25 S20 294.25 - - 294.25

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