Daewoo DTQ-21A24N Service Manual
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Daewoo DTQ-21A24N Service Manual

Color tv
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Service Manual

COLOR Television
CHASSIS :
Model:
Specification
TV Standard
Sound system
Power consumption
Speaker
CRT
Channel indication
Auxiliary Terminal
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.
CX-A21FB
NTSC-M, PAL-M, PAL-N
AV STEREO
90W
5W 8 Ohm x 2
21" Ultra Slim CRT
On screen display
RCA jack : TV output and AV input
March 2012

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Summary of Contents for Daewoo DTQ-21A24N

  • Page 1: Service Manual

    Service Manual COLOR Television CHASSIS : CX-A21FB Model: Specification TV Standard NTSC-M, PAL-M, PAL-N Sound system AV STEREO Power consumption Speaker 5W 8 Ohm x 2 21” Ultra Slim CRT Channel indication On screen display Auxiliary Terminal RCA jack : TV output and AV input Caution : In this Manual, some parts can be changed for improving.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1.SAFETY INSTRUCTION 2.SCHEMATIC DIAGRAM 3.Descriptions for the operation of factory mode 4~14 4.Main PCB BOM LIST 15~19 5.WORK GUIDE 20~23...

  • Page 3: Safety Instruction

    1. SAFETY INSTRUCTION WARNING : Only competent service personnel may carry out work involving the testing or repair of this equipment X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed the specified limit.

  • Page 4: Schematic Diagram

    2.SCHEMATIC DIAGRAM XP901 SCH-CY8895C-004 COLOR TV BASIC SCHEMATIC DIAGRAM V932 C2482 R934 (AN17821+SDY) V931 2SC1815 C932 B[00:25] XS201 XP902 R932 R931 C931 R933 GND1 GND2 GND3 GND4 A101 B[00:40] IFGND BAND2 BAND1 Y IN R718 R723 R724 R725 R104 V922 Y IN +130V 2W15K...
  • Page 5 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT Descriptions operation operation of of of of factory factory mode Descriptions Descriptions Descriptions for the operation operation factory factory mode mode mode AGING MODE AGING AGING AGING MODE MODE MODE ■ 1) With factory remote controller to press “D-mode” directly enter AGING mode, screen will display “factory”.
  • Page 6 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT 0 0 0 0 ： ： ： ： White White Balance adjustment White White Balance Balance Balance adjustment adjustment adjustment Descriptions Recommend Data R-CUT G-CUT B-CUT G-Diver B-Driver U．BLK U signal black level adjust V．BLK V signal black level adjust press “MUTE”, one horizontal bright line appear on screen, use “1,4”...
  • Page 7 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT 2: 2: 2: 2:EW NTSC NTSC NTSC NTSC EW EW ( ( ( ( ONLY ONLY ONLY ONLY DISPLAY DISPLAY DISPLAY DISPLAY FOR FOR NTSC NTSC NTSC NTSC PICTURE) PICTURE) PICTURE) PICTURE) Descriptions Recommend Data NT.H.WID H.WIDE adjusted for NTSC picture NT.PARABOLA...
  • Page 8 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT Descriptions Recommend Data MENU BACK MENU translucent background slection 0：ON 1：OFF MENU1 Color of Shift-bar on menu MENU2 Color of half tone OPEN CURT. Curtain style when switch on 0：OFF 1：ON CLOSE CURT. Curtain style when switch off 0：OFF 1：ON LOCK...
  • Page 9 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT Top position limit for Screen protection OSD moving Bottom position limit for Screen protection OSD BOTTOM moving CURT.WAIT.TIME Wait time for pulling curtain CURT.CENT Center position for pulling curtain CURT.STEP Speed for pulling curtain OSD.H.POSI.
  • Page 10 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT Detected another sound mode ， PRO.BTSC.DIS Display sound mode on the 0：Display 1：Not Display Screen v-chip function V-CHIP 1：Has AUDIO GAIN The volume gain in the TV mode 0:Big 1:Small 9 9 9 9 ： ： ： ： Setting Setting Setting Sound...
  • Page 11 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT VOLUME Volume BASS Bass TREBLE Treble 1 1 1 1 2 2 2 2 ： ： ： ： Chip Chip pins status control Chip Chip pins pins pins status status status control control control Descriptions Recommend Data...
  • Page 12 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT After adjusting the screen G2 ， the picture will open once or V MUTE twice 0：once 1：twice TINT auto recognized display: 1:auto display 0： always TINT DSP. display 1 1 1 1 4:R egister egister control control...
  • Page 13 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT S.TRAP F0 Sound trap center frequency width S.TRAP Q Sound trap Q value S.TRAP GD Sound trap GD value S.TRAP HP Sound trap HP/LP value STANDARD Standard status contrast, brightness, sharpness, color MILD Lild status contrast, brightness, sharpness, color VIVID Vivid status contrast, brightness, sharpness, color DYNAMIC...
  • Page 14 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT 1 1 1 1 9 9 9 9 ： ： ： ： Seldom Seldom used adjustment items items 1 1 1 1 Seldom Seldom used used used adjustment adjustment adjustment items items Descriptions Recommend Data BLANK.SW H/V Blanking on/OFF switch, 0：OFF 1：ON...
  • Page 15 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TOSHIBA-HAY-173 TMPA8895CSNG7FU7(NTSC) ADJUSTMENT CCD OSDF CCD OSD Frequency OSDF OSD Frequency Noise Reduction,Reduce NOISE SHARP value of sharp DTV Display DTV DISP 0:YUV 1:DTV 22 22 22 22： ： ： ： TDA9850 TDA9850 TDA9850 Parameter Parameter TDA9850 Parameter Parameter Descriptions Recommend Data...

  • Page 16: Main Pcb Bom List

    4. Main PCB BOM LIST ASANO material code Material name spec qty. position 12D1-00FR-154010 SWITCHING DIODE FR154 (52mm) VD446 12D1-00FR-157010 SWITCHING DIODE FR157 (52mm) VD492;VD522 12D1-00IN-400410 SWITCHING DIODE IN4004 (52mm) VD451 12D1-00IN-414810 SWITCHING DIODE IN4148 (52mm) VD703;VD706;VD801;VD52 12D1-00IN-414810 SWITCHING DIODE IN4148 (52mm) VD561;VD601;VD901;VD902;VD903 12D1-00RL-207010...
  • Page 17 13RT-E602-101J00 CARBON FILM RESISTOR RT13-1/6W-100Ω-J (52mm) R615;R712;R739 13RT-E602-102J00 CARBON FILM RESISTOR RT13-1/6W-1KΩ-J (52mm) R557;R559;R901 13RT-E602-103J00 CARBON FILM RESISTOR RT13-1/6W-10KΩ-J (52mm) R226;R457;R711;R728;R729;R606;R604 13RT-E602-103J00 CARBON FILM RESISTOR RT13-1/6W-10KΩ-J (52mm) R735;R701 13RT-E602-103J00 CARBON FILM RESISTOR RT13-1/6W-10KΩ-J (52mm) R224 13RT-E602-122J00 CARBON FILM RESISTOR RT13-1/6W-1.2KΩ-J (52mm) R107 13RT-E602-123J00 CARBON FILM RESISTOR...
  • Page 18 14CC-2063-102K10 CERAMIC CAPACITOR CT1-2B-63V-1000PF-K (5mm) C912;C922;C932 14CC-2063-222K10 CERAMIC CAPACITOR CT1-2B-63V-2200PF-K (5mm) C204 14CC-1063-240J10 CERAMIC CAPACITOR CC1-NPO-63V-24PF-J (5mm) C703;C704 14CC-2063-471K10 CERAMIC CAPACITOR CT1-2B4-63V-470PF-K (5mm) C911;C921;C931 14CC-2500-100K10 CERAMIC CAPACITOR CT1-2B-500V-10PF-K (5mm) C455 14CC-2063-103Z10 CERAMIC CAPACITOR CT1-2F-63V-0.01µF-Z (5mm) C108;C109;C121;C203;C705;C706;C217;C833; 14CC-2063-103Z10 CERAMIC CAPACITOR CT1-2F-63V-0.01µF-Z (5mm) C813;C806;C831 14CC-71K0-471K20 CERAMIC CAPACITOR...
  • Page 19 15LH-0025-N08350 FLYBACK TRANSFORMER BSC25-N0835 T471 15LS-0307-1R2K10 INDUCTOR WITH COLOR CIDES LGA0307-1.2µH-K (52mm) L101 15LT-0YDD-UU1050 LINE.DRIVE TRANSFORMER YDD-uu10.5 / UU10.5-64 mH T431 15LX-D079-UF1600 HORIZONTAL LINEARITY COIL YDD079-UF16 L501 16E3-0200-BXGJ10 FUSE BRACKET BXGJ-1 FU501(a);FU501(b) 16SD-AAV6-1400Q0 6AV TIP JACK AV6-14 XS802 16SG-GZS1-021080 CRT SOCKET GZS10-2-108 GZ510-1 16SQ-A250-2DWD00...
  • Page 20 12I4-A0CD-752200 CD7522 N601 13RT-E602-183J00 CARBON FILM RESISTOR RT13-1/6W-18KΩ-J (52mm) R603 13RT-E602-274J00 CARBON FILM RESISTOR RT13-1/6W-270KΩ-J (52mm) R619 13RT-E602-563J00 CARBON FILM RESISTOR RT13-1/6W-56KΩ-J (52mm) R616 13RT-E602-683J00 CARBON FILM RESISTOR RT13-1/6W-68KΩ-J (52mm) R618 13RY-0204-1R0J00 METAL OXIDE FILM RESISTOR RY21-2W-1Ω-J R562 14CC-3063-104Z10 CERAMIC CAPACITOR CS1-3F-63V-0.1µF-Z (5mm) C603;C613;C623;C604 21MH-B110-752210...

  • Page 21: Work Guide

    5.WORK GUIDE Fixing of the LOGO Model CRT2135-1P Ass'y No. Front cabinet Section CTV Assembly Fig.1 LOGO DAEWOO 24MN-1122-002110 Front cabinet Fig.6 2135-1P White Fig.2 Fig.3 Fig.5 Fig.4 - 20 -...
  • Page 22 WORK GUIDE Fixing of CRT Model CRT2135-1P Ass'y No. Front cabinet Section CTV Assembly It is necessary to push the CRT to base with flathead screwdriver. Fig.2 Fig.1 Fig.3 Screw×4 TR5×35 Fig.4 - 21 -...
  • Page 23 WORK GUIDE Jointing DY wire Model CRT2135-1P Ass'y No. Back cabinet Section CTV Assembly The "2" wire The "3" wire to H. DY to V.DY The "1" wire The "4" wire to H. DY to V.DY Fig.1 21" CRT of THOMSON (A51ELD032X0C1) DEFLECTION WIRE 14"/21"(450 mm)-B Fig.3...
  • Page 24 WORK GUIDE To enlace the wire with strap belt Model CRT2135-1P Ass'y No. Back cabinet Section CTV Assembly Plastic Clamp STRAP BELT Fig.1 STRAP BELT Fig.3 Fig.4 STRAP BELT Fig.5 STRAP BELT Fig.2 - 23 -...

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