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Daewoo DTH-21S7 manual

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Table of contents for the manual

  • Page 1

    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. Service Manual Color Television S/M No : TC M101S00 1 April. 2007 CHSSIS MODEL CM-101S DTH-21S7 DTH-21S8[...]

  • Page 2

    -1- SAFETY PRECAUTIONS 2 SPECIFICA TIONS 3 CIRCUIT BLOCK DIAGRAM 4 ALIGNMENT INSTRUCTIONS 5 YOUR REMOTE CONTROL 5 SERVICE MODE ADJUSTMENT 6 ASSEMBL Y ADJUSTMENT 8 IC DESCRIPTION 11 UOC III SERIES 11 LA7848_TV VERTICAL OUTPUT+ EW DRIVER 23 24WC16-16 KB EEPROM 25 LA42072N 26 STR-6754 29 W A VEFORMS 32 TROUBLE SHOOTING GUIDE 33 NO POWER 33 NO PICTURE [...]

  • Page 3

    -2- SAFETY PRECAUTIONS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULT- ING PROPERTY DAMAGE OR USER INJURY. SERVICE WORK SHOULD BE PERFORMED ONLY AFTE[...]

  • Page 4

    -3- SPECIFICTION Model DTH-21S7 / 21S8 Item CHASSIS CM-101S TV Standard NTSC-M, P AL-N, P AL-M Power Input AC 220V , 50/60Hz Power Consumption 80W T uning System Frequency Synthesizer(FS) T uning System T uning Ranges TV VHF(L) : CH2 - CH6 UHF(H) : CH7 - CH13 UHF : CH14 - CH69 CA TV VHF(L) : 5A, A,B,A-5-A-1,CH2-CH6 VHF(H) : C-W+1 1,CH7 - CH13 UHF :[...]

  • Page 5

    -4- CIRCUIT BLOCK DIAGRAM BSC29[...]

  • Page 6

    -5- ALIGNMENT INSTRUCTION Y our Remote Control(R-48C04) 1. POWER Use this button to turn your TV on or off. 2. MUTE Use to turn the TV’ s sound on and off. 3. W CH V Use these buttons to change channels on your TV , or select items in the menu system. 4. C VOL B Use these buttons to change your TV's vol- ume, to activate selections in the me[...]

  • Page 7

    -6- ALIGNMENT INSTRUCTION 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See T able- A and T able- B to determine if service adjustments are required. 1) How to enter the service mode using the user remote control. - T urn the set on. - Direct the remote control to the reception window of TV . - Push but[...]

  • Page 8

    -7- ALIGNMENT INSTRUCTION[...]

  • Page 9

    -8- ALIGNMENT INSTRUCTION[...]

  • Page 10

    -9- ALIGNMENT INSTRUCTION 4-6) 50Hz_Horizontal & V ertical Size, Center Adjussstment Adjust P AL M System ’ s Picture Geometric with This Mode. After Adjusting, you must turn off to save the setting values.[...]

  • Page 11

    -10- ALIGNMENT INSTRUCTION[...]

  • Page 12

    -11- IC DESCRIPTION 1-1. UOC III BLOCK DIAGRAM 1. UOC III SERIES[...]

  • Page 13

    -12- IC DESCRIPTION 1-2. UOC III FEATURES[...]

  • Page 14

    -13- IC DESCRIPTION[...]

  • Page 15

    -14- IC DESCRIPTION[...]

  • Page 16

    -15- IC DESCRIPTION[...]

  • Page 17

    -16- IC DESCRIPTION[...]

  • Page 18

    -17- IC DESCRIPTION[...]

  • Page 19

    -18- IC DESCRIPTION[...]

  • Page 20

    -19- IC DESCRIPTION[...]

  • Page 21

    -20- IC DESCRIPTION[...]

  • Page 22

    -21- IC DESCRIPTION[...]

  • Page 23

    -22- IC DESCRIPTION[...]

  • Page 24

    -23- IC DESCRIPTION           [...]

  • Page 25

    -24- IC DESCRIPTION[...]

  • Page 26

    -25- IC DESCRIPTION 3.[...]

  • Page 27

    -26- IC DESCRIPTION[...]

  • Page 28

    -27- IC DESCRIPTION[...]

  • Page 29

    -28- IC DESCRIPTION[...]

  • Page 30

    -29- IC DESCRIPTION 5. STR-6754[...]

  • Page 31

    -30- IC DESCRIPTION[...]

  • Page 32

    -31- IC DESCRIPTION[...]

  • Page 33

    -32- W A VEFORMS Appendix WAVEFORMS 1).I801 PIN1 2).T402(FBT) HOR.OUT 3).T402(FBT) 192V(D406) 4).I701 PIN73 HOUT 5).I701 (X-TAL)[...]

  • Page 34

    -33- -33- 1. NO POWER TROUBLESHOOTING GUIDE Appendix[...]

  • Page 35

    -34- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 36

    -35- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 37

    -36- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 38

    -37- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 39

    -38- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 40

    ELECTRICAL P ARTS LIST NO LOC P AR TS CODE P AR TS NAME P AR TS DESCRIPTION REMARK NO LOC P AR T CODE P AR T NAME P AR T DESCRIPTION 1 ZZ100 48B5748C04 TRANSMITTER REMOCON R-48C04 (AAA) 2 ZZ1 10 PT ACPWK210 ACCESSOR Y AS DTH-21S7SSF 3 00010 4850A041 10 ANT ROD SHA-004AR 4 00030 4850Q00910 BA TTER Y R03/NN 5 00040 4850A00650 TRANS ANT MA TCHING YSC-[...]

  • Page 41

    48 300 2291050623 FLUX SOLDER LF SV -PBF-304P(0.823) 49 400 2291050312 FLUX SOL VENT S-3000 50 C1 18 CMXL1J154J C MYLAR 63V MEU 0.15MF J 51 C401 CEYD1H689W C ELECTRO 50V RHD 6.8MF (16X35.5) 52 C406 CMYF2G224J C MYLAR 400V MPP 0.22MF J 53 C407 CMYH3C822J C MYLAR 1.6KV BUP 8200PF J 54 C408 CMYH3C562J C MYLAR 1.6KV BUP 5600PF J 55 C409 CMXE2G333J C MY[...]

  • Page 42

    -41- ELECTRICAL P ARTS LIST 103 M231A 7178301051 SCREW T APPTITE TT2 W AS 3X10 MFZN 3CR 104 M491 485496331 1 BUTTON CH ABS GY + AL COA TING 105 P901B 4850705N18 CONNECTOR YBNH250-05+YBNH250+UL W400 106 P902B 4850704S90 CONNECTOR YBNH250-04+YBNH250-04+UL W=300 107 P A10A 4859235320 CONN W AFER YW025-10 108 P A10B 4850710S19 CONNECTOR YH025-10+YBNH25[...]

  • Page 43

    -42- 158 E01 1 4856310600 EYE LET BSR T0.2 (R2.3) 159 E012 4856310600 EYE LET BSR T0.2 (R2.3) 160 E013 4856310300 EYE LET BSR T0.2 (R1.6) 161 E014 4856310300 EYE LET BSR T0.2 (R1.6) 162 E015 4856310300 EYE LET BSR T0.2 (R1.6) 163 E016 4856310600 EYE LET BSR T0.2 (R2.3) 164 E017 4856310300 EYE LET BSR T0.2 (R1.6) 165 E018 4856310300 EYE LET BSR T0.2[...]

  • Page 44

    -43- ELECTRICAL P ARTS LIST 213 E071 4856310300 EYE LET BSR T0.2 (R1.6) 214 E072 4856310300 EYE LET BSR T0.2 (R1.6) 215 E073 4856310300 EYE LET BSR T0.2 (R1.6) 216 N004 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) 217 N005 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) 218 N006 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) 219 N007 4857417500 TERM PIN DA-IB[...]

  • Page 45

    -44- 268 C410 CXSL2H470J C CERA 500V SL 47PF J (T APPING) 269 C413 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X1 1) TP 270 C416 CCXB2H102K C CERA 500V B 1000PF K (T APPING) 271 C418 CCXB2H102K C CERA 500V B 1000PF K (T APPING) 272 C422 CMXM2A473J C MYLAR 100V 0.047MF J (TP) 273 C423 CMXM2A104J C MYLAR 100V 0.1MF J (TP) 274 C601 CEXF1E470C C ELECTRO 25V [...]

  • Page 46

    -45- ELECTRICAL P ARTS LIST 323 C828 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X1 1) TP 324 C829 CMXL2E104K C MYLAR 250V MEU 0.1MF K 325 C836 CEXF1E221V C ELECTRO 25V RSS 220MF (8X1 1.5) TP 326 C837 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X1 1) TP 327 C904 CCXB3A271K C CERA 1KV B 270PF K (T APPING) 328 CS03 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X1 1) TP 3[...]

  • Page 47

    -46- 378 C126 CCZJ1H104Z C CERA 50V F 0.1MF Z AXL(1608) 379 C129 CCZJ1H104Z C CERA 50V F 0.1MF Z AXL(1608) 380 C131 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) 381 C203 CCZJ1H104Z C CERA 50V F 0.1MF Z AXL(1608) 382 C205 CCZJ1H104Z C CERA 50V F 0.1MF Z AXL(1608) 383 C206 CCZL1H472K C CERA 50V B 4700PF K AXL(1608) 384 C304 CZCH1H200J C CERA 50V CH 20PF [...]

  • Page 48

    -47- ELECTRICAL P ARTS LIST 433 D801 DL T2A05G— DIODE L T2A05G (TP) 434 D802 DL T2A05G— DIODE L T2A05G (TP) 435 D803 DL T2A05G— DIODE L T2A05G (TP) 436 D804 DL T2A05G— DIODE L T2A05G (TP) 437 D805 D1N4937G— DIODE 1N4937G (T APPING) 438 D806 D1N4937G— DIODE 1N4937G (T APPING) 439 D807 D1N4148—- DIODE 1N4148 (T APPING) 440 D808 DMTZJ6R2[...]

  • Page 49

    -48- 488 J068 85801060GY WIRE COPPER 1/0.6 TIN COA TING 489 J069 85801060GY WIRE COPPER 1/0.6 TIN COA TING 490 J070 85801060GY WIRE COPPER 1/0.6 TIN COA TING 491 J071 85801060GY WIRE COPPER 1/0.6 TIN COA TING 492 J072 85801060GY WIRE COPPER 1/0.6 TIN COA TING 493 J073 85801060GY WIRE COPPER 1/0.6 TIN COA TING 494 J074 85801060GY WIRE COPPER 1/0.6 T[...]

  • Page 50

    -49- ELECTRICAL P ARTS LIST 543 L803 5MC0000100 COIL BEAD HC-3550 544 L804 5MC0000100 COIL BEAD HC-3550 545 L805 5MC0000100 COIL BEAD HC-3550 546 R101 RD-AZ101J- R CARBON FILM 1/6 100 OHM J 547 R102 RD-AZ101J- R CARBON FILM 1/6 100 OHM J 548 R103 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J 549 R104 RD-AZ100J- R CARBON FILM 1/6 10 OHM J 550 R105 RD-AZ47[...]

  • Page 51

    -50- 598 R623 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 599 R624 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 600 R625 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 601 R626 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 602 R627 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 603 R628 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 604 R629 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 605 R630 [...]

  • Page 52

    -51- ELECTRICAL P ARTS LIST NO LOC P AR TS CODE P AR TS NAME P AR TS DESCRIPTION REMARK 653 R824 RD-AZ333J- R CARBON FILM 1/6 33K OHM J 654 R826 RN-AZ2201F R MET AL FILM 1/6 2.2K OHM F 655 R827 RD-AZ51 1J- R CARBON FILM 1/6 510 OHM J 656 R830 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J 657 R832 RD-AZ752J- R CARBON FILM 1/6 7.5K OHM J 658 R833 RD-AZ103J[...]

  • Page 53

    -52-[...]

  • Page 54

    -53-[...]

  • Page 55

    -54- 1. MAIN[...]

  • Page 56

    -55- 2. POWER[...]

  • Page 57

    -56-[...]

  • Page 58

    DAEWOO ELECTRONICS CORP . PRINTED DA TE : 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P .O. BOX 8003 SEOUL KOREA April. 2007[...]