Panasonic SA-PT850EE Service Manual Manual pdf 79 page image
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Panasonic SA-PT850EE Service Manual

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Contents
  1. specifications
  2. Table Of Contents
  3. safety precautions
  4. safety parts information
  5. precaution of laser diode
  6. service caution based on legal restrictions
  7. handling precautions for traverse unit
  8. operation procedures
  9. main unit key buttons operations
  10. usb connection and operation
  11. television with an hdmi terminal
  12. disc information
  13. tips for making data discs
  14. new features
  15. service mode summary table
  16. sales demonstration lock function
  17. service precautions
  18. Disassembly Procedure
  19. disassembly flow chart
  20. disassembly of top cabinet
  21. disassembly of front panel
  22. disassembly of rear panel
  23. disassembly of traverse unit
  24. service position
  25. measurements and adjustments
  26. optical adjustment
  27. voltage and waveform chart
  28. waveform chart
  29. wiring connection diagram
  30. Audio Digital Amp
  31. Power
  32. Schematic Diagram Notes
  33. Schematic Diagram
  34. Main, Panel & Mic Circuit
  35. D-Amp & SMPS Circuit
  36. Scart Circuit
  37. Volume, USB, AC-Inlet, Relay, Tray Loading & Optical Pickup Unit Circuit
  38. Printed Circuit Board
  39. Main P.C.B
  40. Panel, Volume & Mic P.C.B
  41. D-Amp & USB P.C.B
  42. SMPS P.C.B
  43. AC-Inlet, Scart, Relay & Tray Loading P.C.B
  44. Basic Troubleshooting Guide
  45. Basic Troubleshooting Guide for HDMI AV output
  46. SC-PT850 Simplified Block
  47. SC-PT850 Power Block
  48. SC-PT850 SMPS Block
  49. Terminal Function of ICs
  50. Exploded Views
  51. Cabinet Parts Location
  52. Packaging
  53. Replacement Parts List
  54. Component Parts List
Panasonic SA-PT850EE Service Manual Manual pdf 79 page image
18.7. Audio Digital AmpIN1MIN2MIN1PIN2PSGND1SGND2OSCMODEINPUTSTAGEINPUTSTAGEPWMMODULATOR CONTROLANDHANDSHAKECONTROLANDHANDSHAKEDRIVERHIGHDRIVERLOWDRIVERHIGHDRIVERLOWTEMPERATURE SENSORCURRENT PROTECTIONVOLTAGE PROTECTIONPWMMODULATOROSCILLATOR MANAGERSTABIRELEASE1RELEASE2SWITCH1SWITCH2ENABLE1ENABLE2MUTEMUTEMODE23STABIPROTVDDP2VSSP2 VDDP1VSSP1BOOT1BOOT2OUT1SL +SR +OUT2IC5400C1BA00000487AUDIO DIGITAL POWER AMP51923121229101514131181612 7IN1MIN2MIN1PIN2PSGND1SGND2OSCMODEINPUTSTAGEINPUTSTAGEPWMMODULATOR CONTROLANDHANDSHAKECONTROLANDHANDSHAKEDRIVERHIGHDRIVERLOWDRIVERHIGHDRIVERLOWTEMPERATURE SENSORCURRENT PROTECTIONVOLTAGE PROTECTIONPWMMODULATOROSCILLATOR MANAGERSTABIRELEASE1RELEASE2SWITCH1SWITCH2ENABLE1ENABLE2MUTEMUTEMODE23STABIPROTVDDP2VSSP2 VDDP1VSSP1BOOT1BOOT2OUT1FL +FR +OUT2IC5000C1BA00000487AUDIO DIGITAL POWER AMP51923121229101514131181612 7IN1MIN2MIN1PIN2PSGND1SGND2OSCMODEINPUTSTAGEINPUTSTAGEPWMMODULATOR CONTROLANDHANDSHAKECONTROLANDHANDSHAKEDRIVERHIGHDRIVERLOWDRIVERHIGHDRIVERLOWTEMPERATURE SENSORCURRENT PROTECTIONVOLTAGE PROTECTIONPWMMODULATOROSCILLATOR MANAGERSTABIRELEASE1RELEASE2SWITCH1SWITCH2ENABLE1ENABLE2MUTEMUTEMODE23STABIPROTVDDP2VSSP2 VDDP1VSSP1BOOT1BOOT2OUT1OUT2IC5200C1BA00000487AUDIO DIGITAL POWER AMP51923121229101514131181612 7IN1MIN2MIN1PIN2PSGND1SGND2OSCMODEINPUTSTAGEINPUTSTAGEPWMMODULATOR CONTROLANDHANDSHAKECONTROLANDHANDSHAKEDRIVERHIGHDRIVERLOWDRIVERHIGHDRIVERLOWTEMPERATURE SENSORCURRENT PROTECTIONVOLTAGE PROTECTIONPWMMODULATOROSCILLATOR MANAGERSTABIRELEASE1RELEASE2SWITCH1SWITCH2ENABLE1ENABLE2MUTEMUTEMODE2STABIPROTVDDP2VSSP2 VDDP1VSSP1BOOT1BOOT2OUT1OUT2IC5300C1BA00000487AUDIO DIGITAL POWER AMP51923121229101514131181612 7CENTERC +C -MODE 1SUBWOOFERSW -SW +MODE 2SURROUND RSURROUND LFRONT RFRONT LMUTE C SMUTE F SWMOD DACENTERSUBWOOFERSL +SR +FL +FR ++-+-+-+-+-+-IC5500INVERTER GATE(CLOCK GENERATOR)C0JBAB000902X5500D-TYPE FLIP-FLOPC0JBAF000716CP1 Q1IC55016 810 911 3D154 6Q1 215CD1 SD1MUTINGCIRCUITQ5601,Q5602Q5603,Q5604MODE 1MODE 2CENTERSUBWOOFERSURROUND LSURROUND RFRONT LFRONT RSPEAKERSSA-PT850EE AUDIO DIGITAL AMP BLOCK DIAGRAMDC DETQ5640,Q5642,Q5644FAN MOTORDRIVEMQ5101,Q5102DC DETECTQ5641FAN LOCKDETECTFAN LOCKFAN DC OUTFAN GNDFAN DC3FANFROM AUDIOFROM SYSTEM CONTROLFROM AUDIOTO SYSTEM CONTROL- 30V SENSE- 30V SENSE- 30V SENSE- 30V SENSE + 30V SENSE+ 30V SENSE- 30V SENSE- 30V SENSE + 30V SENSE- 30V SENSE- 30V SENSE + 30V SENSE3 151 179 97 1111 7CN5050CN20095 13CN5050CN200916 2CN5050CN2009CN5050CN2009CN5050CN200912 6CN5050CN2009CN5050CN2009CN5050CN20093JK50017JK50018JK50015JK50016JK50014JK50011JK50012JK500111JK500112JK50019JK500110JK500113 5CN5050CN200917 1CN5050CN20091CN55013CN55012CN5501:MAIN SIGNAL LINESA-PT850EE79
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SA-PT850EE
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