Panasonic DMR-E75VP Service Manual

Also see for DMRE75VP: Operating instructions Service manual

Contents

12.2. (VHS) Special Modes SettingItem FL display Key operationMode name Description Front KeyTracking Center Tape Tracking is adjusted to centerFIX position.No display. During PLAYBACK, press [(VHS) CHUP] and [(VHS) CH DOWN] keyssimultaneously.VHS Service Mode In order to make service easy, a partof inside information of amicroprocessor is displayed on FIP.*Details are described in "12.3. (VHS)Service Mode".Press [FF], and [EJECT] keyssimultaneously for three secondswhen power is off.Releasing Timer Program Releasing Continuation TimerProgramNo display. While in Timer REC mode, press[(VHS) STOP] key for 3 seconds.Eject Ejecting Cassette Tape No display. While in other than Timer REC mode,press [(VHS) STOP] key for 3seconds or press [STOP] key of theRemote Controller for 3 seconds inVHS mode.12.3. (VHS) Service Modes12.3.1. (VHS) Service Mode and Service Data at a glanceServiceNumberContents Contents of Indication on minute Contents of Indication on second Remarks0 Indication for theinner data ofIC6001VHS mode(Real time)Process number(Real time)VCR mode(OPM)Management number of theprocessing during mechanismshifting1 Indication for theinner data ofIC6001Starting / finishing edges detectingdata(Real time)Data of receiving key (Real time)00: Both starting / finishing edgeshave not been01: Starting edge is detecting now02: Finishing edge is detecting now03: Both starting / finishing edgesare detecting nowIndicate the receiving code when thekey of VCR or remote controllerbeing operated.2 Indication for theinner data ofIC6001Mechanism position(Real time)0L: EJECT position02: DOWN position03: RREW position04: LOAD position05: REV position06: PLAY position07: POFF position08: STOP_R position09: STOP_F position- : FF/REW position- : Intermediate betweeneach positionsOrdering for the Motors(Real time)0*, 2*: CYL off,CAP off1*: CYL off,CAP on (fwd)3*: CYL off,CAP on (rev)8*, A*: CYL on,CAP off9*: CYL on,CAP on (fwd)B*: CYL on,CAP on (rev)*0: Motor off*1: Loading*2: Unloading*3: Break (Load + Unload)There are next conditions in thismode for enable the mechanismoperations without a cassette tape.l The starting / finishing edges arenot detected.l The reel lock is not detectedl The tape and the positions are notdetected., And so on.Press the EJET key for over 3seconds in this mode, and then theVCR is shifted into the specialmodes, such as PG Adjustment,Model Code Setting, and so on.The orders for the motors are asfollows.Bit 7: CYL ON/OFFBit 6: ------------------Bit 5: CAP FWD/REVBit 4: CAP ON/OFFBit 3: ------------------Bit 2: ------------------Bit 1: UNLOADING(H)Bit 0: LOADING(H)3 Self-diagnosishistory (1st)Error number of history 1 Supplementary data 1 and 2 ofhistory 1.In the Self-Diagnosis Memory, next 3BYTE is memorized for an Error.1 BYTE: Its Error number2 BYTE: Its supplementary data4 Self-diagnosishistory (2nd)Error number of history 2 Supplementary data 1 and 2 ofhistory 2.In these modes, the supplementarydata 3 and 4 instead of the Errornumber and supplementary data 1and 2 are indicated only whilepressing STOP key.5 Self-diagnosishistory (3rd)Error number of history 3 Supplementary data 1 and 2 ofhistory 3.30DMR-E75VP