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Panasonic TH-37PX50U Technical Manual

Also see for TH-42PX50U: Operating instructionsOperating instructionsService manualReplacement procedureOperating instructions

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Objective
  4. Specifications (Models Comparison)
  5. Safety Precautions
  6. TH-42PD50U Board Description and Part Numbers
  7. TH-42PX500U Board Description and Part Numbers
  8. TH-50PX500 Board Description and Part Numbers
  9. power supply outline for 42"and 50" models
  10. Standby Circuit
  11. Power On Operation
  12. Power Supply Connections
  13. PA Board
  14. PB Board
  15. TH-42PX500U Block Diagram
  16. TH-42PX50U Block Diagram
  17. TH-42PD50U Block Diagram
  18. Video Input Selection Block Diagram
  19. Audio Input Selection Block Diagram
  20. ATSC, SD and PC Card Input Signal Flow
  21. DG Board Block Diagram
  22. Signal Process Circuit
  23. RGB Processor
  24. D Board Block Diagram
  25. C1 Board Block Diagram
  26. SC Board Explanation
  27. SC board Waveform
  28. SS Board Explanation
  29. SS Board Waveform
  30. TH-42/50PX500U
  31. SOS Detection Circuits
  32. SOS Detect (D and PA Board)
  33. PA Board SOS Detection Circuits
  34. Short Circuit Detection of Main Voltage (10 Blinks)
  35. Short Circuit Detection of Sub-voltage (10 Blinks)
  36. Other SOS Detection Circuits
  37. P Board SOS Detection
  38. Voltage Distribution of the PA board and SOS Detection
  39. Z Board (Sound) SOS Detection
  40. TH-42/50PX500U Self-check Function (Reset)
  41. Power LED Flashing timing chart
  42. TH-42/50PD50U Self-check Function
  43. Serviceman Mode
  44. Internal Pattern Generator
  45. Adjustments
  46. Initialization Pulse Adjustment
  47. P.C.B. (Printed Circuit Board) exchange procedure
  48. Adjustment Volume Locations
  49. Test Point Locations
  50. Troubleshooting
  51. Scan and Sustain Drive Waveform
  52. Vertical line problems
  53. Picture ok, Sound NG
  54. No picture, no sound
  55. No picture, sound ok
  56. How to determine whether the D board or SC board is defective
  57. Additional Troubleshooting Hints
  58. SC20 or D20 Connector
  59. How to determine whether the D board or SS board is defective
  60. Defective Board
  61. Glossary and Acronyms
Panasonic TH-37PX50U Technical Manual Manual pdf 42 page image
SS Board ExplanationFigure 32After the video signal is processed on the D board, the sustain and erase pulses areoutput to the SS board. The erase pulse is output at the beginning of each scan period.The pulse is applied to the SS2 and SS3 boards to remove the previous charge fromthe upper and lower sections of the display panel.The sustain pulses are also developed on the D board and are applied after the scanperiods.37
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This manual is suitable for:
TH-42PX50UTH37PX50U - 37" HD PLASMA TVTH42PD50U - 42" EDTV PLASMA TVTH-42PX500UTH-50PX50UTH50PX500U - 50" HD PLASMA TVViera TH-50PX500
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