Panasonic TC-26LX20 Technical Manual

Also see for Combo TC-22LR30: Operating instructions Service manual

Panasonic TC-26LX20 Technical Manual Manual pdf 4 page image

Standby Power Supply............................................................................................ 21Primary Power Supply............................................................................................. 21Power Supply Operation (TC-32LH, TC-26/32LX20).............................................. 22Power On Operation of the DC-to- DC converter .................................................. 22Power Off Operation of the DC-to-DC converter................................................... 23Protection of the DC-to-DC converter.................................................................... 23AP Board - Secondary Power Supply .................................................................... 25Secondary Voltages ............................................................................................... 26Video Circuit Explanation........................................................................................... 27A Board ........................................................................................................................ 27DG Board ..................................................................................................................... 28Video Signal Processing ............................................................................................ 28Video Signal Processing ............................................................................................ 29Low Voltage Differential Signaling ............................................................................ 30HDMI Signal Path......................................................................................................... 32Self-Check Function for TV Section .......................................................................... 33Self-Check Access ...................................................................................................... 33Servicing the TV Portion............................................................................................. 34Service Adjustment Mode for TV............................................................................ 34How to exit Adjustment mode................................................................................. 35Servicing the DVD ....................................................................................................... 36Shutdown Problems.................................................................................................... 38LED Flashes Three Times ..................................................................................... 38LED Flashes Once every 5 seconds ...................................................................... 39LED Flashes Five Times ........................................................................................ 39LED Flashes Eight Times....................................................................................... 39Unit shuts down and the Power on LED is off. ....................................................... 39SOS Shutdown Problem ........................................................................................ 39Does Not Record Video to Disc ................................................................................. 42Does Not Record Audio to Disc ................................................................................. 43Primary Power Supply Check .................................................................................... 44Secondary Power Supply Check ............................................................................... 45