Panasonic DMR-EH75VP Service Manual

Also see for DMR-EH75VP: Service manual

Contents

8 Service Mode8.1. (DVD) Self-Diagnosis and Special Mode Setting8.1.1. (DVD) Self-Diagnosis FunctionsSelf-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error hasoccurred.U**, H** and F** are stored in memory and held.You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.Error Code Diagnosis contents Description Monitor Display Automatic FL displayU30 Remote control code error Display appears when main unit and remotecontroller codes are not matched.No display“*” is remote controller code of themain unit.Display for 5 seconds.U59 Abnormal inner temperaturedetectedDisplay appears when the drive temperatureexceeds 70°C.The power is turned off forcibly.For 30 minutes after this, all key entries aredisabled. (Fan motor operates at the highestspeed for the first 5 minutes. For theremaining 25 minutes, fan motor is alsostopped.) The event is saved in memory aswell.No display“U59 is displayed for 30 minutes.U61 The unit is carrying out itsrecovery process.No displayU88 The unit is carrying out itsrecovery process.No displayU99 Hang-up Displayed when communication error hasoccurred between Main microprocessor andTimer microprocessor.No displayDisplayed is left until the[POWER] key is pressed.H19 Inoperative fan motor When inoperative fan motor is detected afterpowered on, the power is turned offautomatically.The event is saved in memory.No display No displayF00 No error information Initial setting for error code in memory(Error code Initialization is possible with errorcode initialization and main unit initialization.)No display No displayF09 Serial Communication Errorbetween VHS Microprocessorand Timer Microprocessor.Please confirm Serial Communicationterminal of Microprocessor.NOTE:If F09 appears just after updating Firmware,pull off and insert AC plug, then it willdisappear.No displayF34 Initialization error when mainmicroprocessor is started upfor program recordingWhen initialization error is detected afterstarting up main microprocessor for programrecording, the power is turned offautomatically.The event is saved in memory.No display No displayF58 Drive hardware error When drive unit error is detected, the event issaved in memory.No display No displayF60 DVD module has not beenstarted.Defect of Digital P.C.B.Mode: No changeNo display23DMR-EH75VP