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Daewoo DQ-K2121N-P Service Manual

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Contents
  1. Table Of Contents
  2. SAFETY&PRECAUTIONS
  3. FEATURES & SPECIFICATION
  4. EXTERNAL VIEWS
  5. BACK VIEWS
  6. REMOCON
  7. ELECTRICAL ADJUSTMENT
  8. CIRCUIT OPERATION
  9. CIRCUIT INFORMATION
  10. POWER SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  11. RECODER A/V SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  12. SERVO/SYSCON SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  13. LOGIC SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  14. JACK/AUDIO SW SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  15. MULTIPLEXER SCHEMATIC DIAGRAM(DQ-K2121N(D)-P)
  16. TROUBLESHOOTING FLOW CHART
  17. SERVO-SYSCON CIRCUIT
  18. AUDIO CIRCUIT
  19. POWER PART
  20. MONITOR PART
  21. MUX PART
  22. VCT 3834 PIN ASSIGN
  23. µ -COM PORT DESCRIPTION
  24. COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW
  25. DISASSEMBLY
  26. ELECTRICAL PARTS LIST
  27. INCH & 20 INCH DIFFERENT PARTSLIST
Daewoo DQ-K2121N-P Service Manual Manual pdf 48 page image
475. MONITOR PARTIn case the monitor screendoes not appear.NODC133V at the pin10 ofPJ801?Check the power part.YESNODoes Q802 Oscillate? Check T802 and Pin42of IC401YESNOB(+), HEAT Signal at thePIN2,3 of PJ804? Check T803.NO Check IC805, IC401YESVertical signal and Drive(+),(-)signal at the pin6, 7 of P807.YESNOR.G.B Signal at thepin 42,43,44 of IC401?Check the OCP ON HIGHof IC401.YESNOR.G.B Signal at the PIN6,7,8of IC812. Check IC812.YESCheck CRT, DY Coil.YESTROUBLESHOOTING FLOW CHART
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This manual is suitable for:
DQ-K2121N-P
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