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Daewoo DTH-21S8 Service Manual

Daewoo electronics color television service manual
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Service Manual
Color Television
CHSSIS MODEL
CM-101S
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.
S/M No : TCM101S001
DTH-21S7
DTH-21S8
April. 2007

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Summary of Contents for Daewoo DTH-21S8

  • Page 1 Color Television CHSSIS MODEL DTH-21S7 CM-101S DTH-21S8 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY PRECAUTIONS SPECIFICATIONS CIRCUIT BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS YOUR REMOTE CONTROL SERVICE MODE ADJUSTMENT ASSEMBLY ADJUSTMENT APPENDIX(Appendix is provide only by internet[http://svc.dwe.co.kr]) IC DESCRIPTION UOC III SERIES LA7848_TV VERTICAL OUTPUT+ EW DRIVER 24WC16-16 KB EEPROM LA42072N STR-6754 WAVEFORMS TROUBLE SHOOTING GUIDE NO POWER...

  • Page 3: Safety Precautions

    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.

  • Page 4: Specifications

    SPECIFICTION Model Item CHASSIS TV Standard Power Input Power Consumption Tuning System Tuning Ranges Sound Output Speaker Antenna Input Impedance Auxiliary Input Terminal Intermediate Frequencies Remote Control Special Function DTH-21S7 / 21S8 CM-101S NTSC-M, PAL-N, PAL-M AC 220V, 50/60Hz Frequency Synthesizer(FS) Tuning System VHF(L) : CH2 - CH6 UHF(H) : CH7 - CH13 UHF : CH14 - CH69...

  • Page 5: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM...

  • Page 6: Alignment Instructions

    ALIGNMENT INSTRUCTION Your 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. WCHV Use these buttons to change channels on your TV, or select items in the menu system. 4.

  • Page 7: Service Mode Adjustment

    ALIGNMENT INSTRUCTION 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.
  • Page 8 ALIGNMENT INSTRUCTION...

  • Page 9: Assembly Adjustment

    ALIGNMENT INSTRUCTION...
  • Page 10 ALIGNMENT INSTRUCTION 4-6) 50Hz_Horizontal & Vertical Size, Center Adjussstment Adjust PAL M System’s Picture Geometric with This Mode. After Adjusting, you must turn off to save the setting values.
  • Page 11 ALIGNMENT INSTRUCTION -10-...

  • Page 12: Ic Description

    IC DESCRIPTION 1. UOC III SERIES 1-1. UOC III BLOCK DIAGRAM -11-...
  • Page 13 IC DESCRIPTION 1-2. UOC III FEATURES -12-...
  • Page 14 IC DESCRIPTION -13-...
  • Page 15 IC DESCRIPTION -14-...
  • Page 16 IC DESCRIPTION -15-...
  • Page 17 IC DESCRIPTION -16-...
  • Page 18 IC DESCRIPTION -17-...
  • Page 19 IC DESCRIPTION -18-...
  • Page 20 IC DESCRIPTION -19-...
  • Page 21 IC DESCRIPTION -20-...
  • Page 22 IC DESCRIPTION -21-...
  • Page 23 IC DESCRIPTION -22-...

  • Page 24: La7848_Tv Vertical Output+ Ew Driver

    IC DESCRIPTION -23-...
  • Page 25 IC DESCRIPTION -24-...

  • Page 26: 24Wc16-16 Kb Eeprom

    IC DESCRIPTION -25-...

  • Page 27: La42072N

    IC DESCRIPTION -26-...
  • Page 28 IC DESCRIPTION -27-...
  • Page 29 IC DESCRIPTION -28-...

  • Page 30: Str-6754

    IC DESCRIPTION 5. STR-6754 -29-...
  • Page 31 IC DESCRIPTION -30-...
  • Page 32 IC DESCRIPTION -31-...

  • Page 33: Waveforms

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

  • Page 34: Troubleshooting Guide

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

  • Page 35: No Picture

    TROUBLESHOOTING GUIDE Appendix -34-...

  • Page 36: No Sound

    TROUBLESHOOTING GUIDE Appendix -35-...

  • Page 37: Ch Don't Memory Or Skip

    TROUBLESHOOTING GUIDE Appendix -36-...

  • Page 38: No Color

    TROUBLESHOOTING GUIDE Appendix -37-...

  • Page 39: Remote Control Doesnot Operate

    TROUBLESHOOTING GUIDE Appendix -38-...

  • Page 40: Electrical Parts List

    ELECTRICAL PARTS LIST 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)
  • Page 41 ELECTRICAL PARTS LIST...
  • Page 42 ELECTRICAL PARTS LIST...
  • Page 43 ELECTRICAL PARTS LIST...
  • Page 44 ELECTRICAL PARTS LIST...
  • Page 45 ELECTRICAL PARTS LIST...
  • Page 46 ELECTRICAL PARTS LIST...
  • Page 47 ELECTRICAL PARTS LIST...
  • Page 48 ELECTRICAL PARTS LIST...
  • Page 49 ELECTRICAL PARTS LIST...
  • Page 50 ELECTRICAL PARTS LIST...
  • Page 51 ELECTRICAL PARTS LIST...
  • Page 52 ELECTRICAL PARTS LIST...

  • Page 53: Printed Circuit Board

    -52-...
  • Page 54 -53-...

  • Page 55: Schematic Diagram

    1. MAIN -54-...
  • Page 56 2. POWER -55-...

  • Page 57: Explode View

    -56-...
  • Page 58 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : April. 2007...

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Dth-21s7

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