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Panasonic Canada Inc. Customer & Product Assurance Presented by: Roman Jemielity

LCD Television Service Seminar Circuit Explanation for LX70/LX700. Panasonic Canada Inc. Customer & Product Assurance Presented by: Roman Jemielity. 2007 LCD Line-up. 2006. 2007. TC-32LX600. TC-32LX700. High End Model. TC-26LX600. TC-32LX70. TC-32LX60C. TC-26LX70. Step Up Model.

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Panasonic Canada Inc. Customer & Product Assurance Presented by: Roman Jemielity

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  1. LCD Television Service Seminar Circuit Explanation for LX70/LX700 Panasonic Canada Inc. Customer & Product Assurance Presented by: Roman Jemielity

  2. 2007 LCD Line-up 2006 2007 TC-32LX600 TC-32LX700 High End Model TC-26LX600 TC-32LX70 TC-32LX60C TC-26LX70 Step Up Model TC-26LX60C TC-23LX60C TC-32LE70 TC-32LE60 Derivative Model TC-26LE70 TC-26LE60

  3. 2007 LCD Features

  4. Motion Picture Pro Conventional LCD TV New interpolation frames are created based on two adjacent frames and inserted between them. Frame Creation Frame Creation 60 Frames/s 120 frames/ sec Interpolation images created between frames based on motion vector detection technology CONVENTIONAL MOTION PICTURE PRO 120 frames/sec 60 frames/sec Approx. 8.3 msec (holding time) Approx. 17 msec (holding time) Motion Picture Pro : 50% Reduction in Afterimages (Holding Time)

  5. PCB LAYOUT-TC32LX700 TC-32LX700 TC-32/26LX600 KEY Control KEY Control AP AP P SP SP SP SP P A A DT DT GS G G (HDMI) (HDMI) SP SP SP SP V V Differences from LX600: GS board for SD card slot is added.

  6. PCB LAYOUT-TC32/26LX70 TC-32/26LX60 TC-32/26LX70 KEY Control KEY Control AP AP P A P A DT DT G G (HDMI) (HDMI) SP SP V V The board structure is almost same as 2006 design

  7. PCB FUNCTIONS Board Function 32LX700 32/26LX70 A MAIN (Rear Terminal, AV Switch, MCU, Audio & Video Processor, LVDS) Yes Yes P Yes Power (AC/DC) Yes DC-DC Converter Yes Yes AP DT Digital Tuner Yes Yes Yes G AV3 Terminal, Headphone jack Yes GS SD-Card slot Yes － V LED, Remote Receiver Yes Yes Control Button Yes Yes Control Panel Ass’y

  8. PCB LAYOUT-TC32/26LX70 LX600 LX60 LX700 LX70 A A LVDS TX(*) HQ1L(*) FPGA VCTP AUDIO SWITCH AUDIO SWITCH Peaks Lite2 VIDEO SWITCH DT DT ATSC ATSC HDMI (CEC) HDMI (CEC) Peaks Lite * 32LX700 only Differences from LX600/60: 1. Peaks Lite2 and VIDEO SW are introduced instead of VCTP, FPGA and Peaks Lite . 2. For LX700, HQ1L and LVDS TX are introduced.

  9. VIDEO SIGNAL FLOW Analog Digital A HDMI1 HDMI I/F IC4510 PROCESS HDMI2 ＳＷ A/D DT TU8300 IC4207 LCD Panel IC3001 IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 DTV LX700 Only

  10. VIDEO SIGNAL FLOW - TUNER Analog Digital A HDMI1 HDMI I/F IC4510 PROCESS HDMI2 ＳＷ A/D DT TU8300 IC4207 LCD Panel IC3001 IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 DTV LX700 Only

  11. VIDEO SIGNAL FLOW - HDMI Analog Digital A HDMI I/F HDMI1 IC4510 PROCESS HDMI2 ＳＷ A/D DT TU8300 IC4207 LCD Panel IC3001 IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 DTV LX700 Only

  12. VIDEO SIGNAL FLOW - AV Analog Digital A HDMI I/F HDMI1 IC4510 PROCESS HDMI2 ＳＷ A/D DT TU8300 IC4207 LCD Panel IC3001 IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 DTV LX700 Only

  13. AUDIO SIGNAL FLOW Analog Digital IC4510 IC2301 A IC2106 HDMI1 AUDIO AMP Audio DSP DIGITAL PROCESS HDMI2 HDMI I/F DT IC2302 IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH TUNER IC8302 FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R Monitor Out DTV L/R G AV3 LX700 Only HP AMP HEADPHONE

  14. AUDIO SIGNAL FLOW - TUNER Analog Digital IC4510 IC2301 A HDMI1 AUDIO AMP IC2106 DIGITAL Audio DSP PROCESS HDMI2 HDMI I/F DT IC2302 IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH TUNER IC8302 FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R Monitor Out DTV L/R G AV3 LX700 Only HP AMP HEADPHONE

  15. AUDIO SIGNAL FLOW - HDMI Analog Digital IC4510 IC2301 A HDMI1 AUDIO AMP IC2106 Audio DSP HDMI I/F HDMI2 DT IC2302 IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH TUNER IC8302 FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R Monitor Out DTV L/R G AV3 LX700 Only HP AMP HEADPHONE

  16. AUDIO SIGNAL FLOW - AV IC4510 IC2301 A HDMI1 AUDIO AMP IC2106 Audio DSP HDMI I/F HDMI2 DT IC2302 IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH TUNER IC8302 FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R Monitor Out DTV L/R G AV3 LX700 Only HP AMP HEADPHONE

  17. TROUBLESHOOTING

  18. PICTURE NG and AUDIO OK AV Terminal Picture OK? No Analog TV Picture NG A Board Yes DT Board No Only AV Terminal Picture NG ALL Input Source Picture NG ? A Board Yes : Line where problem might occur Only Digital TV Picture NG DT Board A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ A/D Only HDMI Input Picture NG A Board DT TU8300 IC4207 IC3001 LCD Panel IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD No STB MCU No picture but OSD is displayed ? Monitor Out LCD Panel or A board VIDEO PROCESS G AV3 DTV LX700 Only Yes A Board

  19. PICTURE NG and AUDIO OK AV Terminal Picture OK? No Analog TV Picture NG A Board Yes DT Board No Only AV Terminal Picture NG ALL Input Source Picture NG ? A Board Yes : Line where problem might occur Only Digital TV Picture NG DT Board A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ A/D Only HDMI Input Picture NG A Board DT TU8300 IC4207 IC3001 LCD Panel IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD No STB MCU No picture but OSD is displayed ? Monitor Out LCD Panel or A board VIDEO PROCESS G AV3 DTV LX700 Only Yes A Board

  20. PICTURE NG and AUDIO OK No Only AV Terminal Picture NG ALL Input Source Picture NG ? A Board AV Terminal Picture OK? No Analog TV Picture NG A Board Yes Yes DT Board : Line where problem might occur Only Digital TV Picture NG DT Board A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ A/D Only HDMI Input Picture NG A Board DT TU8300 IC4207 IC3001 LCD Panel IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD No STB MCU No picture but OSD is displayed ? Monitor Out LCD Panel or A board VIDEO PROCESS G AV3 DTV LX700 Only Yes A Board

  21. PICTURE NG and AUDIO OK AV Terminal Picture OK? No Analog TV Picture NG A Board Yes DT Board No Only AV Terminal Picture NG ALL Input Source Picture NG ? A Board Yes : Line where problem might occur Only Digital TV Picture NG DT Board A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ A/D Only HDMI Input Picture NG A Board DT TU8300 IC4207 IC3001 LCD Panel IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD No STB MCU No picture but OSD is displayed ? Monitor Out LCD Panel or A board VIDEO PROCESS G AV3 DTV LX700 Only Yes A Board

  22. PICTURE NG and AUDIO OK AV Terminal Picture OK? No Analog TV Picture NG A Board Yes DT Board No Only AV Terminal Picture NG ALL Input Source Picture NG ? A Board Yes : Line where problem might occur Only Digital TV Picture NG DT Board A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ A/D Only HDMI Input Picture NG A Board DT TU8300 IC4207 IC3001 LCD Panel IC4200 LVDS VIDEO SWITCH HQ1L LVDS TX TUNER IC8302 FRONTEND IC8001 Peaks Lite2 AV1 GS AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD No STB MCU No picture but OSD is displayed ? Monitor Out LCD Panel or A board VIDEO PROCESS G AV3 DTV LX700 Only Yes A Board

  23. PICTURE OK and AUDIO NG No Only AV Terminal Sound NG ALL Input Source Sound NG ? A Board AV Terminal Sound OK? No Analog TV Sound NG A Board Yes Yes DT Board AV Terminal Sound OK? No Digital TV Sound NG A Board : Line where problem might occur Yes Analog Digital DT Board IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP Only HDMI Input Sound NG A Board HDMI2 IC2302 DT IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH IC8302 TUNER FRONTEND L/R AV1 L/R AV2 IC8001 No Peaks Lite2 L/R Headphone or Monitor OUT Sound NG ? COMPONENT A Board (Audio AMP) or Speaker AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV Yes AV3 G LX700 Only G HP AMP HEADPHONE A Board

  24. PICTURE OK and AUDIO NG No Only AV Terminal Sound NG ALL Input Source Sound NG ? A Board AV Terminal Sound OK? No Analog TV Sound NG A Board Yes Yes DT Board AV Terminal Sound OK? No Digital TV Sound NG A Board : Line where problem might occur Yes Analog Digital DT Board IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP Only HDMI Input Sound NG A Board HDMI2 IC2302 DT IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH IC8302 TUNER FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R No COMPONENT A Board (Audio AMP) or Speaker Headphone Sound NG ? AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV Yes AV3 G LX700 Only G HP AMP HEADPHONE A Board

  25. PICTURE OK and AUDIO NG No Only AV Terminal Sound NG ALL Input Source Sound NG ? A Board AV Terminal Sound OK? No Analog TV Sound NG A Board Yes Yes DT Board AV Terminal Sound OK? No Digital TV Sound NG A Board : Line where problem might occur Yes Analog Digital DT Board IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP Only HDMI Input Sound NG A Board HDMI2 IC2302 DT IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH IC8302 TUNER FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R No COMPONENT A Board (Audio AMP) or Speaker Headphone Sound NG ? AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV Yes AV3 G LX700 Only G HP AMP HEADPHONE A Board

  26. PICTURE OK and AUDIO NG No Only AV Terminal Sound NG ALL Input Source Sound NG ? A Board AV Terminal Sound OK? No Analog TV Sound NG A Board Yes Yes DT Board AV Terminal Sound OK? No Digital TV Sound NG A Board : Line where problem might occur Yes Analog Digital DT Board IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP Only HDMI Input Sound NG A Board HDMI2 IC2302 DT IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH IC8302 TUNER FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R No COMPONENT A Board (Audio AMP) or Speaker Headphone Sound NG ? AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV Yes AV3 G LX700 Only G HP AMP HEADPHONE A Board

  27. PICTURE OK and AUDIO NG No Only AV Terminal Sound NG ALL Input Source Sound NG ? A Board AV Terminal Sound OK? No Analog TV Sound NG A Board Yes Yes DT Board AV Terminal Sound OK? No Digital TV Sound NG A Board : Line where problem might occur Yes Analog Digital DT Board IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP Only HDMI Input Sound NG A Board HDMI2 IC2302 DT IC3101 AUDIO AMP L/R TU8300 AUDIO SWITCH IC8302 TUNER FRONTEND L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R No COMPONENT A Board (Audio AMP) or Speaker Headphone Sound NG ? AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV Yes AV3 G LX700 Only G HP AMP HEADPHONE A Board

  28. PICTURE NG and AUDIO NG Input Source check : Line where problem might occur HDMI I/F A HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ AV Terminal Picture & Sound OK? Analog TV Picture NG Sound NG No A/D A Board DT TU8300 IC4207 IC3001 IC4200 LCD Panel LVDS VIDEO SWITCH HQ1L LVDS TX TUNER TU8302 Yes FRONTEND IC8001 DT Board AV1 GS AV Terminal Picture NG Sound NG AV2 ＳＣＡＬＩＮＧ/ ＩＰ　ＣＯＮＶＥＲＴＥＲ/ A Board COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 LX700 Only DTV HDMI Input Picture NG Sound NG A Board Analog Digital IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP HDMI2 AV Terminal Picture & Sound OK? Digital TV Picture NG Sound NG No IC2302 A Board DT IC3101 AUDIO AMP TU8300 L/R AUDIO SWITCH IC8302 TUNER FRONTEND Yes DT Board L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV AV3 G LX700 Only G HP AMP HEADPHONE

  29. PICTURE NG and AUDIO NG Input Source check : Line where problem might occur A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ AV Terminal Picture & Sound OK? Analog TV Picture NG Sound NG No A/D A Board DT TU8300 IC4207 IC3001 IC4200 LCD Panel LVDS VIDEO SWITCH HQ1L LVDS TX TUNER TU8302 Yes FRONTEND DT Board IC8001 AV1 GS AV Terminal Picture NG Sound NG AV2 ＳＣＡＬＩＮＧ/ A Board ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G AV3 HDMI Input Picture NG Sound NG LX700 Only DTV A Board Analog Digital IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP HDMI2 AV Terminal Picture & Sound OK? Digital TV Picture NG Sound NG No A Board IC2302 DT IC3101 AUDIO AMP TU8300 L/R AUDIO SWITCH IC8302 TUNER FRONTEND Yes DT Board L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV AV3 G LX700 Only HP AMP HEADPHONE

  30. PICTURE NG and AUDIO NG Input Source check : Line where problem might occur A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS AV Terminal Picture & Sound OK? Analog TV Picture NG Sound NG HDMI2 ＳＷ No A/D A Board DT TU8300 IC4207 IC3001 IC4200 LCD Panel LVDS VIDEO SWITCH HQ1L LVDS TX TUNER Yes TU8302 FRONTEND DT Board IC8001 AV1 GS AV Terminal Picture NG Sound NG AV2 ＳＣＡＬＩＮＧ/ A Board ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS HDMI Input Picture NG Sound NG G AV3 LX700 Only DTV A Board Analog Digital IC4510 IC2301 A IC2106 HDMI I/F AUDIO AMP HDMI1 Audio DSP HDMI2 AV Terminal Picture & Sound OK? Digital TV Picture NG Sound NG No A Board IC2302 DT IC3101 AUDIO AMP TU8300 L/R AUDIO SWITCH IC8302 TUNER FRONTEND Yes DT Board L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV AV3 G LX700 Only G HP AMP HEADPHONE

  31. PICTURE NG and AUDIO NG Input Source check : Line where problem might occur. A HDMI I/F HDMI1 IC4510 Analog Digital PROCESS HDMI2 ＳＷ AV Terminal Picture & Sound OK? Analog TV Picture NG Sound NG No A/D A Board DT TU8300 IC4207 IC3001 IC4200 LCD Panel LVDS VIDEO SWITCH HQ1L LVDS TX TUNER TU8302 Yes FRONTEND DT Board IC8001 AV1 GS AV Terminal Picture NG Sound NG AV2 ＳＣＡＬＩＮＧ/ A Board ＩＰ　ＣＯＮＶＥＲＴＥＲ/ COMPONENT PICTURE CORRECT/ IC1100 OSD STB MCU Monitor Out VIDEO PROCESS G HDMI Input Picture NG Sound NG AV3 LX700 Only DTV A Board IC4510 IC2301 A IC2106 HDMI1 HDMI I/F AUDIO AMP Audio DSP HDMI2 AV Terminal Picture & Sound OK? Digital TV Picture NG Sound NG No IC2302 DT A Board IC3101 AUDIO AMP TU8300 L/R AUDIO SWITCH TUNER IC8302 FRONTEND Yes DT Board L/R AV1 L/R AV2 IC8001 Peaks Lite2 L/R COMPONENT AUDIO PROCESS IC1100 STB MCU L/R MONITOR OUT L/R DTV AV3 G LX700 Only G HP AMP HEADPHONE

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