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Daewoo CN-001M manual

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Table of contents for the manual

  • Page 1

    Service Manual Color Television CHASSIS : CN-001M Model S/M No.:TCN001MEF0 May. 2002 DAEWOO ELECTRONICS CO., LTD http : //svc.dw e .c o .kr DTQ-14P2/P3FCM DTQ-14P2/V1FCWM/P2SCM DTQ-14V1/V5FCM/V1/V4SCM DTQ-14V5FCNM/15U5SCM DTQ-14V6FCBM/FCPM/FBBM/FPPM DTQ-14J4FCGM/FCCM DTQ-20V1/V4/V5FCM DTQ-20V1/V4SCM DTQ-20P2/P3FCM/P2SCM U .S.A CANAD A (A C120V) DTQ[...]

  • Page 2

    1 TABLE OF CONTENTS APPENDIX (Appendix is provide only by internet [http://svc.dwe.co.kr]) SAFETY PRECAUTIONS .................................................................................................................... 2 PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCS ......................................... 2 PRODUCT SAFTY SE[...]

  • Page 3

    2 PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS 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. [...]

  • Page 4

    3 PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS 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 wit[...]

  • Page 5

    4 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. Never install any receive[...]

  • Page 6

    MODEL ITEMS DTQ-20V1/V4FSPM DTQ-20V1/V3/V4/U1SSPM DTQ-15U5SSPM DTQ-14V1/V4/V5FSPM DTQ-14V1/V4/V5/U1SSPM DTQ-14V6NBPM/NPPM DTQ-14V1/V4SSFM DTQ-20V1/V4SSFM DTQ-14V4/20V4FCFM REMARKS TV STANDARD NTSC-M POWER INPUT AC 120V 60 Hz AC 220V 50/60 Hz AC90-250V(FCFM Series) AC60-180V(SSFM Series) POWER CONSUMPTION 14 = 55W 20 = 68W TUNING SYSTEM Frequency Sy[...]

  • Page 7

    A. M U TE (H ) 5 D881~ D884 MR2520 I805/I806 Coupler LA78041 #2 BLOCK DIAGRAM 6[...]

  • Page 8

    7 ALIGNMENT INSTRUCTIONS 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See Table- A and Table- B to determine if service adjustments are required. 1) How to enter the service mode using the user remote control. • Turn the set on. • Direct the remote control to the reception window of TV. • Push bu[...]

  • Page 9

    8 ALIGNMENT INSTRUCTIONS Table-B * indicates the items with different settings each of sets MODE ADJUSTMENT ITEMS DATA REMARKS INITIAL RANGE S2 Screen Adjustment - - S5 Auto RF AGC - - Video Level (VIDEOL) 7 0 ~ 7 Must be set to 7 RF AGC Delay (RFAGCD) * 0 ~ 63 Align RF AGC threshold FM Level (FM.LEV) 8 0 ~ 31 Must be set to 30 AGC Point 3.75 - Sel[...]

  • Page 10

    9 2) FOCUS ADJUSTMENT • Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture details at high light condition. 3) RF AGC DELAY ADJUSTMENT (S5) • Receive a good local channel. • Enter the service mode and select service adjustment S5. • You can see the OSD as shown in below. • Select RFAGCD item, press[...]

  • Page 11

    10 ALIGNMENT INSTRUCTIONS 4-3. Vertical Size Adjustment • Select “ V.SIZE” item, adjust “V.SIZE” data value to proper vertical size as follows. 4) GEOMETRIC ADJUSTMENTS (S6) • Enter the service mode and select service adjustment S7. • Whenever you select the “ S 7” using the volume up or down button, the screen is changing like th[...]

  • Page 12

    11 ALIGNMENT INSTRUCTIONS • Select Subbrightness item, adjust Subbrightness data value to obtain normal brightness level. • Press the DISPLAY button to memorize the data. CONTRAST • Fixed value = 20 TINT • Fixed value = 32 COLOR • Fixed value = 32 7) FACTORY OUTGOING MODE (S12 : FACT) • If you select the S12, then the set becomes factor[...]

  • Page 13

    12 3. PARENTAL CONTROL PASSWORD SETTINGS If user forget Parental Control Password as follows. 1) CHANGE THE PASSWORD. • Turn the set on. • Direct the remote control to the reception window of your TV/VCR • Using the MENU buttons, select the Special menu. • Using the the channel up ( ¡ ã ) or down ( ¡ å ) duttons, select prental control.[...]

  • Page 14

    VOLTAGE CHART 13 LOC PIN MODE LOC PIN MODE ON OFF ON OFF I501 1 2.17 0 44 2.63 0 2 1.95 0 45 2.39 0 3 2.7 0 46 2.16 0 4 2.39 0.49 47 3.62 0 5 2.86 0 48 4.23 0.51 6 2.86 0 49 4.23 0.51 7 0 0 50 2.3 0 8 4.87 0.57 51 2.19 0.65 9 1.76 0 52 1.99 0.32 10 2.46 0.28 53 2.39 0 1 1 4.9 4.93 54 3.08 0.3 12 4.86 4.92 LOC PIN MODE 13 3.59 0 ON OFF 14 1.38 0 I30[...]

  • Page 15

    VOLTAGE CHART 14 LOC PIN MODE LOC PIN MODE ON OFF ON OFF I701 1 4.86 4.96 I703 1 0 0 2 4.81 4.94 2 0 0 3 5.03 4.97 3 0 0 4 5.03 4.97 4 0 0 5 0 0 5 4.91 4.94 6 1.9 1.87 6 4.86 4.92 7 2.71 2.67 7 0 0 8 4.99 4.91 8 5.01 4.95 9 5.04 4.95 LOC PIN MODE 10 0 0 ON OFF 1 1 2.28 0 I801 1 2.47 0 12 0 4.88 2 2.33 1.33 13 4.93 4.87 3 0 0 14 3.71 3.64 4 18.28 9.[...]

  • Page 16

    VOLTAGE CHART 15 LOC PIN MODE LOC PIN MODE ON OFF ON OFF Q201 C 5.03 4.95 Q703 C 5.04 4.17 E 3.29 3.26 E 0.44 0 B 2.51 2.47 B 1.06 0 Q401 C -3.63 35.55 Q704 C 5 4.92 E 0 0 E 4.97 4.89 B 0.35 0 B 4.35 4.28 Q402 C 130.2 102.3 Q707 C 5.05 4.98 E 0 0 E 0.18 4.19 B 0 0 B 0.06 4.89 Q404 C 10.23 0 Q804 C 0 0 E 0 0 E 132.6 102.2 B 0 0 B 132.2 102.2 Q501 C [...]

  • Page 17

    WAVEFORMS 16 (1) I101 PIN 19 V:1V/div H:25us/div (2) I101 PIN 20 V:1V/div H:25us/div (3) I101 PIN 21 V:1V/div H:25us/div (4) I101 PIN 23 V:500mV/div H:5ms/div (5) I101 PIN 40 V:500mV/div H:25us/div (6) I101 PIN 44 V:500mV/div H:25us/div (7) I101 PIN 46 V:500mV/div H:25us/div (8) I101 PIN 6 V:10V/div H:5ms/div[...]

  • Page 18

    WAVEFORMS 17 (9) I701 PIN 7 V:1V/div H:50us/div (10) I101 PIN 17 V:2V/div H:25us/div (1 1) I701 PIN 18 V:20V/div H:25us/div (12) I801 PIN 7 V:100V/div H:10us/div (13) T402 PIN 25.5V V:100V/div H:25us/div (14) T402 PIN 10.5V V:50V/div H:25us/div (15) T402 PIN HEA TER V:10V/div H:25us/div (16) T402 PIN 200V V:100V/div H:25us/div[...]

  • Page 19

    WAVEFORMS 18 (17) T401 PIN H.V V:100V/div H:25us/div (18) T801 PIN 133V V:100V/div H:10us/div (19) Q401 COLLECTOR V:5V/div H:25us/div (20) CRT SOCKET PIN B V:50V/div H:25us/div (21) CRT SOCKET PIN R V:50V/div H:25us/div (22) CRT SOCKET PIN G V:50V/div H:25us/div[...]

  • Page 20

    SCHEMATIC DIAGRAM 19[...]

  • Page 21

    20 EXPLODED VIEW 1. DTQ-14V1FS M[...]

  • Page 22

    21 EXPLODED VIEW 2. DTQ-14V3FS M[...]

  • Page 23

    22 EXPLODED VIEW 3. DTQ-14V5FCM / FSM[...]

  • Page 24

    23 EXPLODED VIEW 4. DTQ-14U1FSM[...]

  • Page 25

    24 EXPLODED VIEW 5. DTQ-20V1FSM[...]

  • Page 26

    25 EXPLODED VIEW 6. DTQ-20V3FSM[...]

  • Page 27

    26 EXPLODED VIEW 7. DTQ-20V4FSM[...]

  • Page 28

    27 EXPLODED VIEW 8. DTQ-20U1FSM[...]

  • Page 29

    28 z_loc z_parts_code parts_name parts_descr remark ZZ100 48B4343A08 TRANSMITTER REMOCON R-43A08 (AA) ZZ110 PTACPWH394 ACCESSORY AS DTQ-14P2FC 00010 4850A02510 ANT ROD S3BW216B (L=600 MM) 00030 4850Q00810 BATTERY R6P/LN 00040 4850A00250 TRANS ANT MATCHING IMT-06 10000 48586001E2 MANUAL INSTRUCTION DTQ-20V1FS M821 4858213800 BAG INSTRUCTION L.D.P.E [...]

  • Page 30

    z_loc z_parts_code parts_name parts_descr remark JC704 HRFS000-BA R CHIP 1/16 0 OHM 1608 RC150 HRFS153JBA R CHIP 1/16 15K OHM J 1608 RC151 HRFS104JBA R CHIP 1/16 100K OHM J 1608 RC154 HRFS473JBA R CHIP 1/16 47K OHM J 1608 RC156 HRFS473JBA R CHIP 1/16 47K OHM J 1608 RC165 HRFS472JBA R CHIP 1/16 4.7K OHM J 1608 RC223 HRFS224JBA R CHIP 1/16 220K OHM J[...]

  • Page 31

    30 z_loc z_parts_code parts_name parts_descr remark R881 DDT7R0M140 POSISTOR ECPAC7R0M140 ZZ200 PTMPJBH567 PCB MAIN M-10 AS DTQ-14V1FCM 10 2TM18006BE TAPE MASKING 6.2X500 D401 D1N4937G— DIODE 1N4937G (TAPPING) D405 D1N4937G— DIODE 1N4937G (TAPPING) D406 D1N4937G— DIODE 1N4937G (TAPPING) D407 D1N4937G— DIODE 1N4937G (TAPPING) D408 D1N4937G?[...]

  • Page 32

    z_loc z_parts_code parts_name parts_descr remark L805 58CX430599 COIL CHOKE AZ-9004Y 940K TP L901 5CPX121J— COIL PEAKING 120UH J (RADIAL) Q201 TKSC945CY- TR KSC 945C-Y (TAPPING) Q401 TKSC2330Y- TR KSC2330Y (TP) Q404 TKSC945CY- TR KSC 945C-Y (TAPPING) Q501 TKTA1266Y- TR KTA1266Y (TP) Q575 TKTA1275Y- TR KTA1275Y (TP) Q653 TKSC945CY- TR KSC 945C-Y ([...]

  • Page 33

    32 z_loc z_parts_code parts_name parts_descr remark J007 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J009 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J010 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J011 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J012 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J013 85801065GY WIRE COPPER AWG22[...]

  • Page 34

    z_loc z_parts_code parts_name parts_descr remark R452 RD-4Z113J- R CARBON FILM 1/4 11K OHM J R501 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R502 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R503 RD-AZ752J- R CARBON FILM 1/6 7.5K OHM J R504 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R548 RD-AZ154J- R CARBON FILM 1/6 150K OHM J R551 RD-AZ121J- R CARBON FILM 1/6 12[...]

  • Page 35

    DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC ”[...]

  • Page 36

    1 IC DESCRIPTION U-COM(I701) X ’ TAL:32.768 KHz Appendix[...]

  • Page 37

    2 IC DESCRIPTION 1. Abstract. This specification is 1-Tuner Mono Model for North/South America, CCD 1-Chip MICOM LC863228A. It is developing software specification for tuning only NTSC 2. H/W Outline. 1) ROM : 28,672 x 8bits.tsc : 15,872 x 8 bits for CGROM. 2) RAM : 512 x 8bits. : 352 x 9bits.(for CRT Display) 3) OSD Function. ¡ ¤ Screen Display.[...]

  • Page 38

    3 IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 36 PIN SDI P . 5) Tuner (Pre-scaler.) : I 2 C Bus. /PLL IC : TAU 6014-S(SIEMENS). 6) Remocon. : The IC of Transmission (MITSUBISHI M50560) 7) E 2 PROM. : 24C04(I 2 C Bus) ◊ Apply one byte Read/Write mode. 8) 6-Local Key. : A/D Input Control.(Power, Ch Up/Down, Vol[...]

  • Page 39

    4 IC DESCRIPTION - Auto Power On Function.(Power Restore function in the Special Menu) - Heat Run Function. --- OSD White Back-Ground - Sleep Timer. - Wake Up Time Function. - Off Time Function. - Remote Reception & Control. - Auto Tint.----------------------- (Option) - Power Restore. - Input(TV/Line) Controlled function. ---------------------[...]

  • Page 40

    5 IC DESCRIPTION 6. Pin Description PIN Terminal Name Explanation Remarks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ROM Data Main IC Data ROM CLK Main IC CLK Tuner Data Tuner CLK GND XT1 XT2 VDD KEY-IN AFT-IN AGC-IN ST-BY(H) /RES Filter CVSB IN TV/VID /VS /HS R G 6 bit input/output port Input/output can be Specified for each bit Other func[...]

  • Page 41

    6 IC DESCRIPTION 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 B BL Audio Mute Power On Bus Stop Relay On/Off A/V Detection Remocon In RF(H)/AV(L) AUTO TINT PWM VOLUME BLUE BACK PRISON MONO/STEREO CAPTION TV ONLY(H) Blue output terminal of RGB image Fast blanking control signal Switch TV image Signal and caption / OSD image signal Output terminal[...]

  • Page 42

    7 IC DESCRIPTION I101 LA76845 : IC VIDEO PROCESSOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ABL IN OSD RED INPUT OSD GREEN INPUT OSD BLUE INPUT 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 EXT. AUDIO INPUT SIF OUTPUT SIF APC FILTER SIF INPUT 22 23 24 25 26 27 33 32 31 30 29 28 BUS CLOCK FAST BLANKING INPUT RGB VCC RED[...]

  • Page 43

    8 TROUBLESHOOTING GUIDE 1. NO POWER Appendix Drain 7 6 I801 MR2520 5 4 3 2 1 Vin Vcc GND F / B Z / C Source /OCL FB01 L801 R801 C810 C81 1 D883 D884 D882 D881 125V 4A ++ + + L805 C820 C814 R814 R813 R822 C818 D804 R821 C819 OCP +133V +45V +12V (Sound) +5V (St-By) Q871 R827 Q873 R877 (Micom Power on/off) PWR on : H PWR off : L R875 R873 R824 D806 D8[...]

  • Page 44

    9 TROUBLESHOOTING GUIDE 2. NO PICTURE Check the waveform of I101 #46 NG : GO to the figure c OK : Go the figure d 1701 MICOM Appendix[...]

  • Page 45

    10 TROUBLESHOOTING GUIDE 3. NO SOUND Check audio output signal of I101 #1 NG : Go to the figure e OK : Go to the figure f g 1701 MICOM Appendix[...]

  • Page 46

    11 TROUBLESHOOTING GUIDE 4. C H DON ’T MEMORY or SKIP Check the input signal conditions NG : Loss of signal or weak signal OK : Go to the figure h Appendix Check T-SDA/SCL 4 5 6 7[...]

  • Page 47

    12 TROUBLESHOOTING GUIDE 5. NO COLOR 6. NO VERTICAL DEFLECTION Appendix #36 + check the Voltage (3.4V) 6[...]

  • Page 48

    13 TROUBLESHOOTING GUIDE 7. NO ON-SCREEN DISPLAY 8. REMOTE CONTROL DOES NOT OPERATE Appendix[...]