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Daewoo CM-405F 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 : TCM405FEF0 MA Y . 2006 CHSSIS MODEL CM-405F DTH-2930SSFV[...]

  • Page 2

    -1- SAFETY PRECAUTIONS 2 SPECIFICA TIONS 5 CIRCUIT BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 7 YOUR REMOTE CONTROL 7 SERVICE MODE ADJUSTMENT 8 ASSEMBL Y ADJUSTMENT 10 IC DESCRIPTION 14 UOC III SERIES 14 TDA8358J VERTICAL AMPLIFIER 22 TDA6107AJF 24 24WC16-16 KB EEPROM 25 LA42072N-E AUDIO AMPLIFIER 26 STR-W6735/56 27 W A VEFORMS 28 TROUBLE SHOOTING GUID[...]

  • 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- SAFETY PRECAUTIONS CAUTION : Do not attempt to modify this product in any way. Unau- thorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work should be performed only after you are thoroughly familiar with all of the following safety checks and servi[...]

  • Page 5

    -4- SAFETY PRECAUTIONS SUBJECT : IMPLOSION 1. All direct viewed picture tubes are equipped with an integral implo- sion protection system, but care should be taken to avoid damage during installation. Avoid scratching the tube. If scratched, replace it. 2. Use only recommended factory replacement tubes. SUBJECT : TIPS ON PROPER INSTALLATION 1. Neve[...]

  • Page 6

    -5- SPECIFICTION Model DTH-2930SSFV Item CHASSIS CM-405F TV Standard NTSC-M, P AL-M, P AL-N Power Input AC 1 10-220V , 50/60Hz Power Consumption 1 10W 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 U[...]

  • Page 7

    -6- CIRCUIT BLOCK DIAGRAM AC 120/220V 50/60Hz 250V +65V +139.5V D801 +195V +139.5V[...]

  • Page 8

    -7- ALIGNMENT INSTRUCTION 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 volume, to activate selec- tions in the menu system, or to change audio and [...]

  • Page 9

    -8- 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 10

    -9- ALIGNMENT INSTRUCTION[...]

  • Page 11

    -10- ALIGNMENT INSTRUCTION 2. ASSEMBL Y ADJUSTMENTS 1) SCREEN ADJUSTMENT (S2) Enter the service mode and select service adjustment S2. Y ou can see the one horizontal line on the screen. Adjust the Screen Control V olume (located on FBT) so that the horizontal line onscreen may be disappeared. Press S2 button to exit in the screen adjustment mode. [...]

  • Page 12

    -11- ALIGNMENT INSTRUCTION 4-2) Vertical Position Adjustment. - Select V.SLOPE item, adjust V.SLOPE data value till the horizontal line in the centre of the video signal is just at the position where the blanking stars. - Select V.CENTER item, adjust V.CENTER data value to center the raster properly on the screen. 4-3) Vertical Size Adjustment - Se[...]

  • Page 13

    -12- ALIGNMENT INSTRUCTION 4-4). EAST / WEST Adjustment Adjust the H.PARALLEL, H.SIZE, H-BOW, PARABOLA, EW TRAPEZ, CORNER TOP, CORNER BOTTOM to compensate for geometrical distortion. H.PARALLEL H.SIZE PARABOLA CORNER TOP, CORNER BOTTOM EW TRAPEZ[...]

  • Page 14

    -13- ALIGNMENT INSTRUCTION[...]

  • Page 15

    -14- IC DESCRIPTION 1-1. UOC III BLOCK DIAGRAM 1. UOC III SERIES[...]

  • Page 16

    -15- IC DESCRIPTION 69 70 81 80 79 78 77 76 75 74 73 72 71 88 87 86 85 84 83 82 65 66 68 67 89 90 25 26 27 28 29 30 31 32 33 34 35 36 37 38 40 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 39 1 2 3 4 21 23 24 22 41 42 43 44 45 HERCULES FULL-STEREO (SSDIP90) 60 64 63 62 61 56 57 59 58 55 54 CVBS3/Y3 A UDIOIN3L//P1.4/P2.4 CVBSO/PIP A UDOUTLSL A UDOUTLSR[...]

  • Page 17

    -16- IC DESCRIPTION SYMBOL ST AND ARD VERSION DESCRIPTION FULL-STEREO/ MONO+ A V STEREO SSDIP90 VSSP2 1 ground VSSC4 1 ground VDDC4 3 digital supply to SD ACs (1.8V) VDD A3(3.3V) 16 supply (3.3 V) VREF_POS_LSL 16 positive ref erence voltage SD A C (3.3 V) VREF_NEG_LSL+HPL 17 negative ref erence voltage SD A C (0 V) VREF_POS_LSR+HPR 16 positive ref [...]

  • Page 18

    -17- IC DESCRIPTION VIFIN2 29 IF input 2 VSC 30 v er tical sawtooth capacitor IREF 31 ref erence current input GNDIF 32 ground connection f or IF ampli er SIFIN1/D VBIN1 (2) 33 SIF input 1 / D VB input 1 SIFIN2/D VBIN2 (2) 34 SIF input 2 / D VB input 2 AGCOUT 35 tuner A GC output EHT O 65 EHT/ov er v oltage protection input A VL/SW O/SSIF/ REFO/REF[...]

  • Page 19

    -18- IC DESCRIPTION AGC2SIF 44/- AGC capacitor second sound IF VP2 45 2 nd supply voltage TV processor (+5 V) IFV O/SVO/CVBSI (2) 46 IF video output / selected CVBS output / CVBS input A UDIOIN4 audio 4 input A UDIOIN4L 47 audio-4 input (left signal) A UDIOIN4R 48 audio-4 input (right signal) CVBS4/Y4 49 CVBS4/Y4 input C4 - - - - chroma-4 input A U[...]

  • Page 20

    -19- IC DESCRIPTION SVM 62 scan velocity modulation output FBISO/CSY 63 ybac k input/sandcastle output or composite H/V timing output HOUT 64 hor izontal output VSScomb 70 ground connection f or comb lter VDDcomb 71 supply voltage f or comb lter (5 V) VIN (R/P R IN2/C X ) - V -input for YUV interface (2 nd R input / P R input or C X input) UIN (B/P[...]

  • Page 21

    -20- IC DESCRIPTION VDD A1 86 analog supply f or TCG m -Controller and digital supply for TV -processor (+3.3 V) VREF AD_NEG 87 negative ref erence voltage (0 V) VREF AD_POS 88 positiv e reference v oltage (3.3 V) VREF AD 89 ref erence voltage f or audio ADCs (3.3/2 V) GND A 87 ground VDD A(1.8V) 90 analogue supply f or audio ADCs (1.8 V) VDD A2(3.[...]

  • Page 22

    -21- IC DESCRIPTION P1.6/SCL 7 por t 1.6 or I 2 C-bus clock line P1.7/SD A 8 por t 1.7 or I 2 C-bus data line VDDP(3.3V) 9 supply to per iphery and on-chip voltage regulator (3.3 V) P2.0/TPWM 10 por t 2.0 or T uning PWM output P2.1/PWM0 11 por t 2.1 or PWM0 output P2.2/PWM1 47 por t 2.2 or PWM1 output P2.3/PWM2 48 por t 2.3 or PWM2 output P3.0/ADC0[...]

  • Page 23

    -22- IC DESCRIPTION 2.[...]

  • Page 24

    -23- IC DESCRIPTION[...]

  • Page 25

    -24- IC DESCRIPTION 3.[...]

  • Page 26

    -25- IC DESCRIPTION 4.[...]

  • Page 27

    -26- IC DESCRIPTION[...]

  • Page 28

    -27- IC DESCRIPTION 6. STR-W6756 FUNCTIONS OF EACH TERMINAL TERMINAL No. SYMBOLS DESCRIPTIONS FUNCTIONS 1 D DRAIN TERMINAL MOSFET DRAIN 3 S/GND SOURCE/GND MOSFET SOURCE / GND 4 Vcc SET UP TERMINAL INPUT OF POWER SUPPLY FOR CONTROL CIRCUIT 5 SS/OLP DELAY AT OVERLOAD / SOFT START SET UP TERMINAL OVERLOAD PROTECTION AND SOFT START OPERATION TIME SET U[...]

  • Page 29

    -28- W A VEFORMS Appendix WAVEFORMS 1).I801 PIN1 2).T402(FBT) HOR.OUT 3).T402(FBT) 190V(D406) 4).I701 PIN73 HOUT 5).I701 PIN76 V+.OUT 6).I701 PIN76 V-.OUT[...]

  • Page 30

    -29- W A VEFORMS Appendix 7).I701 PIN75 EW OUT 8).I701 PIN46 MONITOR OUT 9).I701 (X-TAL) 10).I301 PIN4 V.OUT 11).I901 PIN R.IN 12).I901 PIN R.OUT[...]

  • Page 31

    -30- 1. NO POWER TROUBLESHOOTING GUIDE Appendix[...]

  • Page 32

    -31- TROUBLESHOOTING GUIDE Appendix 2. NO PICTURE (A) (B) Check The Waveform of TU101 IF PIN OK : Go To The Figure (B) NG : Go To The Figure (A) TU101 TUNER Z101 SAW FILTER IF SCL/SD 33V 5V CHECK THE VOLTAGE #7,8 I701 CHECK CLOCK,DATA #18,19 X701 24.576MHz CHECK THE CRYSTAL 5V 3.3V #22,43,45,63,80 #9,16,86,88 CHECK THE VOLTAGE I701 #73 CHECK THE HO[...]

  • Page 33

    3. NO SOUND (C) (D) Check The Output Signal of I701 #57,58 OK : Go To The Figure (D) NG : Go To The Figure (C) TU101 TUNER Z101 SAW FILTER IF SCL/SD 33V 5V CHECK THE VOLTAGE #7,8 I701 CHECK CLOCK,DATA #18,1 X701 24.576MHz CHECK THE CRYSTAL 5V 3.3V #22,43,45,63,80 #9,16,86,88 I601 LA42072N #7 13V Z101 SAW FILTER SIF CHECK THE VOLTAGE #33 CHECK THE V[...]

  • Page 34

    -33- TROUBLESHOOTING GUIDE Appendix 4. CH DON’T MEMORY or SKIP (E) Check The Iutput Signal Conditions OK : Go To The Figure (E) NG : Loss of Signal or Weak Signal TU101 TUNER Z101 SAW FILTER IF SCL/SD 33V 5V CHECK THE VOLTAGE #7,8 I701 CHECK CLOCK,DATA #18,19 X701 24.576MHz CHECK THE CRYSTAL 5V 3.3V Z101 SAW FILTER SIF CHECK THE VOLTAGE #33 #22,4[...]

  • Page 35

    5. NO COLOR 6. NO VERTICAL DEFLECTION I701 #18,19 X701 24.576MHz CHECK THE CRYSTAL 5V 3.3V #22,43,45,63,80 #9,16,86,88 CHECK THE VOLTAGE I701 CHECK THE RGB OUT I301 TDA8358J CHECK THE VERTICAL SIGNA L #83,84,85 CHECK THE CRYSTAL X701 24.576MHz CHECK THE CRYSTAL #18,19 VERTICAL #76,77 #1,2 #4 VERTICAL DY CHECK THE Vout SIGNAL #3 13V 45V #9 CHECK THE[...]

  • Page 36

    -35- TROUBLESHOOTING GUIDE Appendix[...]

  • Page 37

    ELECTRICAL P ARTS LIST NO LOC P AR TS CODE P AR TS NAME P AR TS DESCRIPTION REMARK 1 ZZ100 48B5748C04 TRANSMITTER REMOCON R-48C04 (AAA) 2 ZZ1 10 PT ACPWK009 ACCESSOR Y AS DTQ-29U4SC 3 ZZ120 PTBCSHK016 COVER BACK AS DTQ-29U1SC 4 M21 1 4852163100 COVER BACK FR HIPS GY 29U1 5 M781 4857817630 CLOTH BLACK FEL T 400X20X0.7 6 M782 4857817612 CLOTH BLACK F[...]

  • Page 38

    41 C408 CMYH3C702J C MYLAR 1.6KV BUP 7000PF J 42 C409 CMYE2G273J C MYLAR 400V PU 0.027MF J 43 C801 CL1UC3474M C LINE ACROSS 0.47MF 1J(UCVSNDF/SV)+Q/O 44 C802 CL1UC3474M C LINE ACROSS 0.47MF 1J(UCVSNDF/SV)+Q/O 45 C806 CEYD2D331D C ELECTRO 200V FHS 330MF (22X30) 46 C819 CEYF1E332V C ELECTRO 25V RSS 3300MF (16X31.5) 47 CS803 CH1BFE222M C CERA AC U/C/V[...]

  • Page 39

    -38- ELECTRICAL P ARTS LIST 86 M681 4853747800 RET A PCB NYLON 66 87 M682 4853747800 RET A PCB NYLON 66 88 M683 4853747800 RET A PCB NYLON 66 89 P A906 4850708S03 CONNECTOR YH025-08+YST025+UL W=500 90 PW801 4859907810 CORD POWER AS ME301P+TER=2100 91 Q401 TKTC3229— TR KTC3229 92 Q402 PTH2SW7609 HEA T SINK ASS`Y T2SD2578— + 717430101 1 93 00001 [...]

  • Page 40

    -39- 131 P A907 485923182S CONN W AFER YW025-05 (STICK) 132 R106 RS02Z512JS R M-OXIDE FILM 2W 5.1K OHM J SMALL 133 R305 RS02Z129JS R M-OXIDE FILM 2W 1.2 OHM J SMALL 134 R401 RS02Z100JS R M-OXIDE FILM 2W 10 OHM J SMALL 135 R402 RS02Z121JS R M-OXIDE FILM 2W 120 OHM J SMALL 136 R407 RS02Z223JS R M-OXIDE FILM 2W 22K OHM J SMALL 137 R408 RS02Z102JS R M-[...]

  • Page 41

    -40- ELECTRICAL P ARTS LIST 176 C405 CCXB2H561K C CERA 500V B 560PF K (T APPING) 177 C413 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X1 1) TP 178 C414 CCXB2H102K C CERA 500V B 1000PF K (T APPING) 179 C416 CCXB2H102K C CERA 500V B 1000PF K (T APPING) 180 C418 CCXB2H102K C CERA 500V B 1000PF K (T APPING) 181 C420 CCXB2H102K C CERA 500V B 1000PF K (T APPIN[...]

  • Page 42

    -41- 221 C732 CMXL1J224J C MYLAR 63V MEU 0.22MF J (TP) 222 C734 CMXL1J224J C MYLAR 63V MEU 0.22MF J (TP) 223 C735 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X1 1) TP 224 C737 CBXF1H104Z C CERA SEMI 50V F 0.1MF Z (T APPING) 225 C740 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X1 1) TP 226 C809 CEXF1H109V C ELECTRO 50V RSS 1MF (5X1 1) TP 227 C810 CCXF1H223Z C[...]

  • Page 43

    -42- ELECTRICAL P ARTS LIST 266 A001 4859818691 PCB MAIN 330X246 D1B 267 C107 CZSL1H470J C CERA 50V SL 47PF J (AXIAL) 268 C108 CZSL1H470J C CERA 50V SL 47PF J (AXIAL) 269 C109 CCZF1H103Z C CERA 50V F 0.01MF Z 270 C1 10 CCZB1H222K C CERA 50V B 2200PF K AXIAL 271 C1 1 1 CCZB1H222K C CERA 50V B 2200PF K AXIAL 272 C126 CBZF1H104Z C CERA SEMI 50V F 0.1M[...]

  • Page 44

    -43- 31 1 D706 DUZ3R3B—- DIODE ZENER UZ-3.3B 312 D805 D1N4937G— DIODE 1N4937G (T APPING) 313 D806 D1N4937G— DIODE 1N4937G (T APPING) 314 D807 D1N4937G— DIODE 1N4937G (T APPING) 315 D808 DMTZJ6R2C- DIODE ZENER MTZJ 6.2C 316 D810 D1N4937G— DIODE 1N4937G (T APPING) 317 D812 DRGP15J—- DIODE RGP15J DO-204AC 600V 1.5A 318 D814 DUZ4R3B—- DIO[...]

  • Page 45

    -44- ELECTRICAL P ARTS LIST 356 R121 RD-AZ183J- R CARBON FILM 1/6 18K OHM J 357 R201 RD-AZ224J- R CARBON FILM 1/6 220K OHM J 358 R203 RN-AZ1801F R MET AL FILM 1/6 1.8K OHM F 359 R204 RD-4Z222J- R CARBON FILM 1/4 2.2K OHM J 360 R213 RD-AZ750J- R CARBON FILM 1/6 75 OHM J 361 R301 RD-4Z159J- R CARBON FILM 1/4 1.5 OHM J 362 R303 RD-AZ272J- R CARBON FIL[...]

  • Page 46

    -45- 401 R630 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 402 R632 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 403 R633 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 404 R634 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 405 R635 RD-AZ103J- R CARBON FILM 1/6 10K OHM J 406 R636 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J 407 R701 RD-AZ101J- R CARBON FILM 1/6 100 OHM J 408 R702[...]

  • Page 47

    -46- ELECTRICAL P ARTS LIST 446 R777 RD-AZ332J- R CARBON FILM 1/6 3.3K OHM J 447 R778 RD-AZ101J- R CARBON FILM 1/6 100 OHM J 448 R779 RD-AZ101J- R CARBON FILM 1/6 100 OHM J 449 R780 RN-AZ5600F R MET AL FILM 1/6 560 OHM F 450 R803 RD-4Z479J- R CARBON FILM 1/4 4.7 OHM J 451 R804 RD-4Z152J- R CARBON FILM 1/4 1.5K OHM J 452 R805 RD-4Z100J- R CARBON FIL[...]

  • Page 48

    -47- 491 R V17 RD-AZ750J- R CARBON FILM 1/6 75 OHM J 492 ZA03 85801065GY WIRE COPPER A WG22 1/0.65 TIN COA TING 493 ZA04 85801065GY WIRE COPPER A WG22 1/0.65 TIN COA TING 494 ZA05 85801065GY WIRE COPPER A WG22 1/0.65 TIN COA TING 495 ZA07 85801065GY WIRE COPPER A WG22 1/0.65 TIN COA TING 496 ZA08 85801065GY WIRE COPPER A WG22 1/0.65 TIN COA TING 49[...]

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  • Page 54

    DAEWOO ELECTRONICS CORP . PRINTED DA TE : MA Y . 2006 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P .O. BOX 8003 SEOUL KOREA[...]