Operation Manual
Page 9
... o the trio oulpUl ecckets to a MiroDisc allows very h gh quality record- • Maio equipment: CO Myer, MD player. CD player, MD player. There are possible: 'Digital recording and "Analogue recording'. • Type of recording Two types of recording are different cables end ccnnecrions for each type of recording, depending on the sockets Cr the equipment being connected to...
... o the trio oulpUl ecckets to a MiroDisc allows very h gh quality record- • Maio equipment: CO Myer, MD player. CD player, MD player. There are possible: 'Digital recording and "Analogue recording'. • Type of recording Two types of recording are different cables end ccnnecrions for each type of recording, depending on the sockets Cr the equipment being connected to...
Operation Manual
Page 17
...tracks anc 'rack nameswill he setting of music as angle track, disable the acrdwarmer funWiOn 1 Press the EDITIMARK outon wh ist the recording is passed. recordings using a CD payer or en MD player, track numbers will start Hate: • Mel there Is a track that you don't want to erase alter the po ...Futon the disc whew you want to move Ire trace and then make your wcording after that has been already recordeo and make a new recordirg. ek'e k. ■ Recording tracks...
...tracks anc 'rack nameswill he setting of music as angle track, disable the acrdwarmer funWiOn 1 Press the EDITIMARK outon wh ist the recording is passed. recordings using a CD payer or en MD player, track numbers will start Hate: • Mel there Is a track that you don't want to erase alter the po ...Futon the disc whew you want to move Ire trace and then make your wcording after that has been already recordeo and make a new recordirg. ek'e k. ■ Recording tracks...
Operation Manual
Page 21
... steps have been performed Caution: • Whilst "TOC" or "'IOC EDIT!" The entire MD is controlled by We information a this unit oh. is the TOC recorded? Wren a new recording is now being changed according to recording or editing being performed. • The change., TOO Information will not be turned at aft..., the TOG bus been recorded on the Minna's° right away. E-20 do not do , the changes in the TOG is added to a MiniDisc in a pos.tion where TOG infor- mation already eats. TOO EDIT' I I I GOOD EYE!...
... steps have been performed Caution: • Whilst "TOC" or "'IOC EDIT!" The entire MD is controlled by We information a this unit oh. is the TOC recorded? Wren a new recording is now being changed according to recording or editing being performed. • The change., TOO Information will not be turned at aft..., the TOG bus been recorded on the Minna's° right away. E-20 do not do , the changes in the TOG is added to a MiniDisc in a pos.tion where TOG infor- mation already eats. TOO EDIT' I I I GOOD EYE!...
Operation Manual
Page 28
...letters), numbers and symbols can be used. Since track names are displayed when the beginning of the cha-actors and data on a recorded MD 'master MD with tracks and Il character inforrnat on which come ate- EDITING • Whet the adding function can do you can create original ...discs using the MD °citing function, on can be translerred onto a recordable MD. Move (Page 29) A designatedtrack can be moved loony desired position. • The numbers assigned to 255 tracks ...
...letters), numbers and symbols can be used. Since track names are displayed when the beginning of the cha-actors and data on a recorded MD 'master MD with tracks and Il character inforrnat on which come ate- EDITING • Whet the adding function can do you can create original ...discs using the MD °citing function, on can be translerred onto a recordable MD. Move (Page 29) A designatedtrack can be moved loony desired position. • The numbers assigned to 255 tracks ...
Operation Manual
Page 33
... master MiniThsc is complete, andve the newly recorded MiriDisc the masker MiriDisc into the MD-M5722W. • To cancel the operation, press the WOFF button. • Check whether the total number of seeks on the newly recorded MiniDisc matches the total number of tracks on the new y recorded Min. Disc using the edit operation. (Pages...
... master MiniThsc is complete, andve the newly recorded MiriDisc the masker MiriDisc into the MD-M5722W. • To cancel the operation, press the WOFF button. • Check whether the total number of seeks on the newly recorded MiniDisc matches the total number of tracks on the new y recorded Min. Disc using the edit operation. (Pages...
Service Manual
Page 2
... seconds to detect a disc. Before repaoring be taken when replacing and servicing the laser pickup. ADVARSEL - Use the portable minidisc recorder only in accordance with the interlock switch or make any time. (5) CAUTION - AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄ...Write mode; UNDGÅ UDSETTELSE FOR STRÅLING. (Illustration: MD-MS722W) Precaution to be sure to disconnect the AC adaptor and remove the batteries. MD-MS722/C/W/MS721W SAFETY PRECAUTION FORSERVICE MANUAL (MD-MS722W/MS721W ONLY) Precaution to be attempted when replacing or servicing the ...
... seconds to detect a disc. Before repaoring be taken when replacing and servicing the laser pickup. ADVARSEL - Use the portable minidisc recorder only in accordance with the interlock switch or make any time. (5) CAUTION - AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄ...Write mode; UNDGÅ UDSETTELSE FOR STRÅLING. (Illustration: MD-MS722W) Precaution to be sure to disconnect the AC adaptor and remove the batteries. MD-MS722/C/W/MS721W SAFETY PRECAUTION FORSERVICE MANUAL (MD-MS722W/MS721W ONLY) Precaution to be attempted when replacing or servicing the ...
Service Manual
Page 3
... remote control unit Earphones (impedance: 32 ohms)/ remote control unit MiniDisc Recorder Type: Signal readout: Audio channels: Frequency response: Rotation speed: Error correction: Coding: Recording method: Sampling frequency: Wow and flutter: Portable MiniDisc recorder Non-contact, 3-beam semi-coductor laser pick-up Stereo 2 channels/... computed type Magnetic modulation overwrite method 44.1 kHz (32 kHz and 48 kHz signals are subject to "VOL 0". MD-MS722/C/W/MS721W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. The above values...
... remote control unit Earphones (impedance: 32 ohms)/ remote control unit MiniDisc Recorder Type: Signal readout: Audio channels: Frequency response: Rotation speed: Error correction: Coding: Recording method: Sampling frequency: Wow and flutter: Portable MiniDisc recorder Non-contact, 3-beam semi-coductor laser pick-up Stereo 2 channels/... computed type Magnetic modulation overwrite method 44.1 kHz (32 kHz and 48 kHz signals are subject to "VOL 0". MD-MS722/C/W/MS721W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. The above values...
Service Manual
Page 4
... Long-Play Mode Indicator 2. Random Indicator 9. Total Track Number Display 17. Microphone Input Jack (MS722/MS722C) 33. Rechargeable Lithium-lon Battery Compartment - 4 - Record Indicator 4. Track Number Indicator 9. Level Meter 5. Battery Indicator: 8. Disc Name Indicator 14. ...Record Indicator 3. Volume/Name Select Buttons: + 23. Headphones Jack (MS722/MS722C) 36. Synchro Recording Indicator 2. Stop/Power Off/Bass/Play Mode Shuttle Switch 2 1 3 6 SYNC REC 1 4 RANDOM TOTAL 5 7 89 13 14 Main unit 1. Bass/Delete Button 28. MD-MS722/C/W/MS721W MD-MS722...
... Long-Play Mode Indicator 2. Random Indicator 9. Total Track Number Display 17. Microphone Input Jack (MS722/MS722C) 33. Rechargeable Lithium-lon Battery Compartment - 4 - Record Indicator 4. Track Number Indicator 9. Level Meter 5. Battery Indicator: 8. Disc Name Indicator 14. ...Record Indicator 3. Volume/Name Select Buttons: + 23. Headphones Jack (MS722/MS722C) 36. Synchro Recording Indicator 2. Stop/Power Off/Bass/Play Mode Shuttle Switch 2 1 3 6 SYNC REC 1 4 RANDOM TOTAL 5 7 89 13 14 Main unit 1. Bass/Delete Button 28. MD-MS722/C/W/MS721W MD-MS722...
Service Manual
Page 5
... Indicator: 5. TOC Indocator 6. Random Indicator 8. Character/Time Information Indicator 10. Disc Mode Indicator 12. Track Name Indicator 14. Fast Reverse/Recording Level Control/ Cursor Button: 19. Play/Pause Button: 20. Volume/Name Select Buttons: - 23. Optical/Line Input Socket 32. Hold ...Switch 34. Earphones Socket 36. 5V DC Input Socket 37. MD-MS722/C/W/MS721W 1 2 3 6 SYNC REC 1 4 RANDOM TOTAL 5 7 89 10 11 15 12 16 13 17 18 14 1 2 34 5 6 10 ...
... Indicator: 5. TOC Indocator 6. Random Indicator 8. Character/Time Information Indicator 10. Disc Mode Indicator 12. Track Name Indicator 14. Fast Reverse/Recording Level Control/ Cursor Button: 19. Play/Pause Button: 20. Volume/Name Select Buttons: - 23. Optical/Line Input Socket 32. Hold ...Switch 34. Earphones Socket 36. 5V DC Input Socket 37. MD-MS722/C/W/MS721W 1 2 3 6 SYNC REC 1 4 RANDOM TOTAL 5 7 89 10 11 15 12 16 13 17 18 14 1 2 34 5 6 10 ...
Service Manual
Page 6
... and "Lo BATT" (remote control unit) will begin charging. Playback Digital cable Recording CD player, MD player, etc. OPERATION MANUAL MD-MS722/C/W/MS721W partment cover. 2 Insert the rechargeable battery. About 4 seconds later, " ..." will flash, and the battery will appear. In this unit or a separately available car adaptor is completely discharged, the whole battery indicator will be shown. Digitally recorded MiniDisc Playback Digital cable Recording Analogue recording...
... and "Lo BATT" (remote control unit) will begin charging. Playback Digital cable Recording CD player, MD player, etc. OPERATION MANUAL MD-MS722/C/W/MS721W partment cover. 2 Insert the rechargeable battery. About 4 seconds later, " ..." will flash, and the battery will appear. In this unit or a separately available car adaptor is completely discharged, the whole battery indicator will be shown. Digitally recorded MiniDisc Playback Digital cable Recording Analogue recording...
Service Manual
Page 7
... may be considered normal. MD-MS722/C/W/MS721W - 7 - TROUBLESHOOTING Moisture condensation In the following : 1. When the unit is heard from a cool place to the maximum possible recording time. If this product, check the following before calling your authorised SHARP dealer or service centre. The... the limit, regardless of the remaining recording time, further recording will be impossible. (Maximum number of tracks: 254) If a MiniDisc has been recorded or edited repeatedly or if a MiniDisc has scratches on it, it instead of the recorded time and time remaining on a disc...
... may be considered normal. MD-MS722/C/W/MS721W - 7 - TROUBLESHOOTING Moisture condensation In the following : 1. When the unit is heard from a cool place to the maximum possible recording time. If this product, check the following before calling your authorised SHARP dealer or service centre. The... the limit, regardless of the remaining recording time, further recording will be impossible. (Maximum number of tracks: 254) If a MiniDisc has been recorded or edited repeatedly or if a MiniDisc has scratches on it, it instead of the recorded time and time remaining on a disc...
Service Manual
Page 8
... a track number is being erased. Check the number of the disc has been damaged. Use one of the track and then try recording again. Turn off the power and remove the MiniDisc. Erase all of order. No copy can be played. You tried to vibration or shock in the... that the unit is no space left for a while and try recording again. Can't REC (Not REC) Can't WRITE DEFECT (DEFECT) Recording cannot be edited. The track has been protected from the disc. ( ): Error messages seen on a playbackonly disc. MD-MS722/C/W/MS721W - 8 - The disc is in the signal from being ...
... a track number is being erased. Check the number of the disc has been damaged. Use one of the track and then try recording again. Turn off the power and remove the MiniDisc. Erase all of order. No copy can be played. You tried to vibration or shock in the... that the unit is no space left for a while and try recording again. Can't REC (Not REC) Can't WRITE DEFECT (DEFECT) Recording cannot be edited. The track has been protected from the disc. ( ): Error messages seen on a playbackonly disc. MD-MS722/C/W/MS721W - 8 - The disc is in the signal from being ...
Service Manual
Page 13
Type Test disc Parts No. 1 High reflection disc MMD-110 (TEAC Test MD) 2 Lowreflection disc MMD-212 (TEAC Test MD) 88GMMD-110 88GMMD-212 3 Low reflection disc Recording minidisc UDSKM0001AFZZ Note: Use the low reflection disc on . (only high reflection disc). • The temperature ... setting, etc.) (3) Indication of the set . • Setting of EEPROM protect area is turned on which music has been recorded. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC IN. AUTO 1 Mode 2. Mode • Error information is displayed. Leaving the TEST mode...
Type Test disc Parts No. 1 High reflection disc MMD-110 (TEAC Test MD) 2 Lowreflection disc MMD-212 (TEAC Test MD) 88GMMD-110 88GMMD-212 3 Low reflection disc Recording minidisc UDSKM0001AFZZ Note: Use the low reflection disc on . (only high reflection disc). • The temperature ... setting, etc.) (3) Indication of the set . • Setting of EEPROM protect area is turned on which music has been recorded. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC IN. AUTO 1 Mode 2. Mode • Error information is displayed. Leaving the TEST mode...
Service Manual
Page 15
... temperature is _. 11. NORMAL Mode • When the STOP button is also possible. 10. is possible (without indication) • Recording is pressed while the NORMAl menu appears, the mode changes to the TEST mode stop state. • Indication during operation Indication of memory...of error history code 12h : RF side FG, TG, and TCRS adjustment termination failure 13h : Adjustment servo retraction excessive retrial 16h : C. MD-MS722/C/W/MS721W •Whenever the DISP button is pressed in miserase-protected state. 9. ture. - 15 - Digital input display Mode (Din Mon) ...
... temperature is _. 11. NORMAL Mode • When the STOP button is also possible. 10. is possible (without indication) • Recording is pressed while the NORMAl menu appears, the mode changes to the TEST mode stop state. • Indication during operation Indication of memory...of error history code 12h : RF side FG, TG, and TCRS adjustment termination failure 13h : Adjustment servo retraction excessive retrial 16h : C. MD-MS722/C/W/MS721W •Whenever the DISP button is pressed in miserase-protected state. 9. ture. - 15 - Digital input display Mode (Din Mon) ...
Service Manual
Page 16
.... [ EEPROM ] (9) Perform the operation to the TEST mode STOP state. • : Address EEPROM (IC402) writing procedure 1. MD-MS722/C/W/MS721W 13. INNER Mode • when the STOP button is pressed on power (or set according to the EEPROM DATA LIST with ...Temperature reference = Microcomputer TEMP input AD value + Temperature corrected value • When data is written into EEPROM, the value shown adove is recorded at the specified address. [2] Temperature measurement value correction table Ambient temperature Temperature correction Center temperature + 9oC ~ +11oC - 05h + 10....
.... [ EEPROM ] (9) Perform the operation to the TEST mode STOP state. • : Address EEPROM (IC402) writing procedure 1. MD-MS722/C/W/MS721W 13. INNER Mode • when the STOP button is pressed on power (or set according to the EEPROM DATA LIST with ...Temperature reference = Microcomputer TEMP input AD value + Temperature corrected value • When data is written into EEPROM, the value shown adove is recorded at the specified address. [2] Temperature measurement value correction table Ambient temperature Temperature correction Center temperature + 9oC ~ +11oC - 05h + 10....
Service Manual
Page 18
MD-MS722/C/W/MS721W - 18 - Preautomatic Adjustment A U T O 1 PLAY : Preautomatic Adjustment menu A T 1 Normal end Adjustment error ADJ. OK PLAY : Preadjustment normal end (adjustment value output) A T 2 : During ATT...T 1 SKIP UP SKIP DOWN R S L T 2 SKIP UP SKIP DOWN Din Mon SKIP UP SKIP DOWN E DATA : Pre-autoadjustment menu : ATT autoadjustment menu : Continuous playback menu : Continuous record menu : Pre-manual adjustment menu : ATT manual adjustment menu : Preadjustment value check menu : ATT adjustment value check menu : Digital input signal monitor menu : Error history...
MD-MS722/C/W/MS721W - 18 - Preautomatic Adjustment A U T O 1 PLAY : Preautomatic Adjustment menu A T 1 Normal end Adjustment error ADJ. OK PLAY : Preadjustment normal end (adjustment value output) A T 2 : During ATT...T 1 SKIP UP SKIP DOWN R S L T 2 SKIP UP SKIP DOWN Din Mon SKIP UP SKIP DOWN E DATA : Pre-autoadjustment menu : ATT autoadjustment menu : Continuous playback menu : Continuous record menu : Pre-manual adjustment menu : ATT manual adjustment menu : Preadjustment value check menu : ATT adjustment value check menu : Digital input signal monitor menu : Error history...
Service Manual
Page 22
...] key is pressed in the continuous playback mode, jump of specified number of lines occurs in the internal periphery direction. If the key is pressed. MD-MS722/C/W/MS721W - 22 - Continuous Playback • Continuous playback from current pickup position T PLAY : Continuous playback menu PLAY S Q # # # # A P # # # # : Continuous playback (pit section) : Continuous ...the range of 0h to Fh when the [SKIP UP/DOWN] key is pressed. * In the continuous record state and start address set state the record laser power changes in the range of "0h to Fh" when the [SKIP UP/DOWN] key is ...
...] key is pressed in the continuous playback mode, jump of specified number of lines occurs in the internal periphery direction. If the key is pressed. MD-MS722/C/W/MS721W - 22 - Continuous Playback • Continuous playback from current pickup position T PLAY : Continuous playback menu PLAY S Q # # # # A P # # # # : Continuous playback (pit section) : Continuous ...the range of 0h to Fh when the [SKIP UP/DOWN] key is pressed. * In the continuous record state and start address set state the record laser power changes in the range of "0h to Fh" when the [SKIP UP/DOWN] key is ...
Service Manual
Page 30
... LDCNT1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN601 FLEXIBLE PWB 16 G COM W MU V M901 SPINDLE MOTOR + M - EFMO MD-MS722/C/WMS721W P30 P31 P32 MAIN PWB-A C112 A PLAYBACK SIGNAL 0.033 C111 0.0033 +B TP202 RECORD SIGNAL C110 0.22 C107 C109 0.012 1/16 C106 0.22 TP139 R207 680 L204 XL201 33.8688MHz TP204 CK112 C211...
... LDCNT1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN601 FLEXIBLE PWB 16 G COM W MU V M901 SPINDLE MOTOR + M - EFMO MD-MS722/C/WMS721W P30 P31 P32 MAIN PWB-A C112 A PLAYBACK SIGNAL 0.033 C111 0.0033 +B TP202 RECORD SIGNAL C110 0.22 C107 C109 0.012 1/16 C106 0.22 TP139 R207 680 L204 XL201 33.8688MHz TP204 CK112 C211...
Service Manual
Page 40
MD-MS722/C/WMS721W WAVEFORMS OF MD CIRCUIT Stopped CH1=1mV DC 10:1 1 TP208 ...3 (SENSE) 4 CK204 T (FOK) 4 =Filter= Smoothiing : OFF BW : FULL =Offset= CH1 : 0.00V CH2 : 0.000V CH3 : 0.00V CH4 : 0.00V =Record Length= Main : 10K Zoom : 10K =Trigger= Mode : NORMAL Type : EDGE CH4 Detay : 0.0ns Hold OFF : MINIMUM Stopped CH1=2V DC 10:1 5 SDTi 1 6...OFF ON =Filter= =Offset= Smoothiing : OFF CH1 : 0.00V BW : FULL CH2 : 0.00V CH3 : 0.00V CH4 : 0.00V =Record Length= Main : 10K Zoom : 10K =Trigger= Mode : AUTO Type : EDGE CH2 Detay : 0.0ns Hold OFF : MINIMUM Stopped CH1=...
MD-MS722/C/WMS721W WAVEFORMS OF MD CIRCUIT Stopped CH1=1mV DC 10:1 1 TP208 ...3 (SENSE) 4 CK204 T (FOK) 4 =Filter= Smoothiing : OFF BW : FULL =Offset= CH1 : 0.00V CH2 : 0.000V CH3 : 0.00V CH4 : 0.00V =Record Length= Main : 10K Zoom : 10K =Trigger= Mode : NORMAL Type : EDGE CH4 Detay : 0.0ns Hold OFF : MINIMUM Stopped CH1=2V DC 10:1 5 SDTi 1 6...OFF ON =Filter= =Offset= Smoothiing : OFF CH1 : 0.00V BW : FULL CH2 : 0.00V CH3 : 0.00V CH4 : 0.00V =Record Length= Main : 10K Zoom : 10K =Trigger= Mode : AUTO Type : EDGE CH2 Detay : 0.0ns Hold OFF : MINIMUM Stopped CH1=...
Service Manual
Page 41
...unit button is taken,check the following items. Remove the cabinet and follow the troubleshooting instructions. Perform the check stated in item "Recording/playback No operation". • Power is not turned on No when the PLAY button is pressed. Perform the check stated in ...make certain that the lens is advisable to use the TEST mode (refer to "L"? Is audio output normal? No Is recording/playback operation normal? MD-MS722/C/W/MS721W TROUBLESHOOTING It is clean. Causes of operation errors (up of troubles before starting repair. Yes Does the display operate normally...
...unit button is taken,check the following items. Remove the cabinet and follow the troubleshooting instructions. Perform the check stated in item "Recording/playback No operation". • Power is not turned on No when the PLAY button is pressed. Perform the check stated in ...make certain that the lens is advisable to use the TEST mode (refer to "L"? Is audio output normal? No Is recording/playback operation normal? MD-MS722/C/W/MS721W TROUBLESHOOTING It is clean. Causes of operation errors (up of troubles before starting repair. Yes Does the display operate normally...