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Daewoo DTQ-20U4SC Service Manual

Also see for DTQ 27U4SC: Instruction manualInstruction manual

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Contents
  1. service manual
  2. Table Of Contents
  3. SAFETY PRECAUTIONS
  4. CIRCUIT BLOCK DIAGRAM
  5. ALIGNMENT INSTRUCTIONS
  6. SERVICE MODE ADJUSTMENT
  7. alignment instruction
  8. ASSEMBLY ADJUSTMENT
  9. SCHEMATIC DIAGRAM
  10. ELECTRICAL PARTS LIST
  11. DIFFERENT PARTS LIST
  12. EXPLODE VIEW
  13. PRINTED CIRCUIT BOARD
  14. IC DESCRIPTION
  15. pin description
  16. WAVEFORMS
  17. TROUBLE SHOOTING GUIDE
  18. NO PICTURE
  19. NO SOUND
  20. troubleshooting guide
  21. NO COLOR
  22. NO ON-SCREEN DISPLAY
Daewoo DTQ-20U4SC Service Manual Manual pdf 63 page image
-62-TROUBLESHOOTING GUIDE Appendix7. NO ON-SCREEN DISPLAY8. REMOTE CONTROL DOES NOT OPERATEV. SYNCCheck the signal(60Hz) Check data/clock signalI501VDP3130YIL701REMOCONPREAMPI701MICOMI701MICOMH. SYNCST-BY 5VST-BY 5VST-BY 5V#20#22#23#24#25#41#42#43#44#12#11#10#12#34#11#10X701Checkthe crystalX701Checkthe crystalCheck OSD R/G/B/BLANK signalCheck the waveformIf OSD doesn’t operate,I701 replace new productCheckthe signal(15.73Hz)SDASCLOSD ROSD GOSD BBLANKOUT#21
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This manual is suitable for:
DTQ 27U4SCDTQ-20U4SCDTQ-2033SC
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