Operation Manual
Page 5
... operating time will get the rermina.s dirty. synchro Recording Indicator 2. Track Number Indicator 9. Battery Indicator 10. PlayrPauserFast Reverse/Fast Forward Shuttle Switch 10. battery • The renargeable batten, car be uSee. Total Track Number Display 8. Hold Switch 13. • Notes about the rechargeable battery • A rechargeable lithium-ion battery is the only kind that specibed. Lse of other Than that can be charged approximately 30C tines • Do not use ary battery...
... operating time will get the rermina.s dirty. synchro Recording Indicator 2. Track Number Indicator 9. Battery Indicator 10. PlayrPauserFast Reverse/Fast Forward Shuttle Switch 10. battery • The renargeable batten, car be uSee. Total Track Number Display 8. Hold Switch 13. • Notes about the rechargeable battery • A rechargeable lithium-ion battery is the only kind that specibed. Lse of other Than that can be charged approximately 30C tines • Do not use ary battery...
Operation Manual
Page 15
... provide power ter the microphone's operation. • If a dirterenl type of microphone is p egged tr. To Interrupt a synchro recording: Press the PHI button whilst recording. • Tee Mic synchro recording -node will not pause for 3 seconds Cr ITOre, the recording will he trade • WhiSt making a mic recordirg, do rot connect anything to use a manna:lore. II Recording from the microphone (Mic manual recording) • You can slap record ng manually (any time...
... provide power ter the microphone's operation. • If a dirterenl type of microphone is p egged tr. To Interrupt a synchro recording: Press the PHI button whilst recording. • Tee Mic synchro recording -node will not pause for 3 seconds Cr ITOre, the recording will he trade • WhiSt making a mic recordirg, do rot connect anything to use a manna:lore. II Recording from the microphone (Mic manual recording) • You can slap record ng manually (any time...
Operation Manual
Page 16
... 3 seconds or more curing synchro recording. • _ Track number which marks are 113mi r; CONVENIENT RECORDING FUNCTION • Creating marks whilst making a mic recording (Timed auto mark function) Mats can be created at a fixed interim (every 5 minmes is the detach setting) so the: the beginning of any track can to changed Track loaner I Torn anodes a Waei the analog is charged la 10 MinUleswailst recording a amen dub Main cool Decrested...
... 3 seconds or more curing synchro recording. • _ Track number which marks are 113mi r; CONVENIENT RECORDING FUNCTION • Creating marks whilst making a mic recording (Timed auto mark function) Mats can be created at a fixed interim (every 5 minmes is the detach setting) so the: the beginning of any track can to changed Track loaner I Torn anodes a Waei the analog is charged la 10 MinUleswailst recording a amen dub Main cool Decrested...
Operation Manual
Page 21
... or battery case. the added recording twit be turned at aft, the TOG bus been recorded on a MniDisc, which is not used for Table of a back quickly or to record auernatica,y in a vacant area. • The TOC is recorded in a specific area on the disc. AEC UT THE TOE The TOO (an abeeviation for sound reediting. • About TOC recording When you start recording...
... or battery case. the added recording twit be turned at aft, the TOG bus been recorded on a MniDisc, which is not used for Table of a back quickly or to record auernatica,y in a vacant area. • The TOC is recorded in a specific area on the disc. AEC UT THE TOE The TOO (an abeeviation for sound reediting. • About TOC recording When you start recording...
Operation Manual
Page 22
... socket on the remote control unit 2 Plug me remote control unit into the 6) socket on automatically, and playback wit start from the first track. (Adtosplao (unction) !LOVE -all • When the recordable Miners° Wilt proledon tab is cloned (page 9) • When the auto-play function has nee cancelled (page 36) 4 From the main unit: Press tie + button to increase the volume and the button to decrease the...
... socket on the remote control unit 2 Plug me remote control unit into the 6) socket on automatically, and playback wit start from the first track. (Adtosplao (unction) !LOVE -all • When the recordable Miners° Wilt proledon tab is cloned (page 9) • When the auto-play function has nee cancelled (page 36) 4 From the main unit: Press tie + button to increase the volume and the button to decrease the...
Operation Manual
Page 23
... the volume level. • If the volume is being emphasised. TO Intl:Met playback: Press the III button during rse, you should avoid allowing the unit to 'VOL 2I3' or higher, the bass level will start from the first back. Precautions when making connections: • Do not use any length of car E-22 Otherwise, the auto-play function wit be ac tivated and the battery...
... the volume level. • If the volume is being emphasised. TO Intl:Met playback: Press the III button during rse, you should avoid allowing the unit to 'VOL 2I3' or higher, the bass level will start from the first back. Precautions when making connections: • Do not use any length of car E-22 Otherwise, the auto-play function wit be ac tivated and the battery...
Operation Manual
Page 39
... are stopped. Read the operation menus lot the external equipment- • If trouble occurs When the product is operated incorrecth, it the hold node? • Is the battery exhausted? • Is the remote control unit plug or the earphone plug msered firmly? • rs the harery exhausted, • is dropped into the AC socket and retry the cperarror II strange sounds. If such a problem...
... are stopped. Read the operation menus lot the external equipment- • If trouble occurs When the product is operated incorrecth, it the hold node? • Is the battery exhausted? • Is the remote control unit plug or the earphone plug msered firmly? • rs the harery exhausted, • is dropped into the AC socket and retry the cperarror II strange sounds. If such a problem...
Operation Manual
Page 43
... rechargeable batten Lineropecal digital. microphone (powered by the main LW) Earphones (impedance: 32 onnsyremole control unit • MinlDisc Recorder Type: Signet readout: Audio channels: Frequency response: Rotation speed: Error correction: Coding: Recording method: Sampling frequency: Wow and flutter Portable MiniDiso recorder Nonconlact. 3-beam Bern -conductor laser pick-up Stereo 2 channelsrmcnaural ION-play time shows the value when the volume level Is set to VOL CO. • • The continuous play mode) 1 channel 20- 20...
... rechargeable batten Lineropecal digital. microphone (powered by the main LW) Earphones (impedance: 32 onnsyremole control unit • MinlDisc Recorder Type: Signet readout: Audio channels: Frequency response: Rotation speed: Error correction: Coding: Recording method: Sampling frequency: Wow and flutter Portable MiniDiso recorder Nonconlact. 3-beam Bern -conductor laser pick-up Stereo 2 channelsrmcnaural ION-play time shows the value when the volume level Is set to VOL CO. • • The continuous play mode) 1 channel 20- 20...
Service Manual
Page 1
... used . CONTENTS Page SAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS722W/MS721W ONLY 2 SPECIFICATIONS ...3 NAMES OF PARTS ...4 OPERATION MANUAL ...6 QUICK GUIDE (MD-MS722 ONLY) ...9 DISASSEMBLY ...11 INSTALLING THE TOP CABINET ...11 REMOVING AND REINSTALLING THE MAIN PARTS ...12 ADJUSTMENT ...13 BLOCK DIAGRAM ...29 SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD 30 NOTES ON SCHEMATIC DIAGRAM ...39 WAVEFORMS OF MD CIRCUIT ...40 TROUBLE SHOOTING ...41 FUNCTION TABLE OF IC ...44 PARTS GUIDE...
... used . CONTENTS Page SAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS722W/MS721W ONLY 2 SPECIFICATIONS ...3 NAMES OF PARTS ...4 OPERATION MANUAL ...6 QUICK GUIDE (MD-MS722 ONLY) ...9 DISASSEMBLY ...11 INSTALLING THE TOP CABINET ...11 REMOVING AND REINSTALLING THE MAIN PARTS ...12 ADJUSTMENT ...13 BLOCK DIAGRAM ...29 SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD 30 NOTES ON SCHEMATIC DIAGRAM ...39 WAVEFORMS OF MD CIRCUIT ...40 TROUBLE SHOOTING ...41 FUNCTION TABLE OF IC ...44 PARTS GUIDE...
Service Manual
Page 2
... not look directly into the Pickup Lens. (2) The Laser Power Output of the unit is removed, and the PLAY key is on the bottom. This Portable MiniDisc Recorder is located on a position outer than those specified herein may result in exposure to be lower than Class I Requirements. Use the portable minidisc recorder only in accordance with the interlock switch or make any time. (5) CAUTION - Laser...
... not look directly into the Pickup Lens. (2) The Laser Power Output of the unit is removed, and the PLAY key is on the bottom. This Portable MiniDisc Recorder is located on a position outer than those specified herein may result in exposure to be lower than Class I Requirements. Use the portable minidisc recorder only in accordance with the interlock switch or make any time. (5) CAUTION - Laser...
Service Manual
Page 3
... (fully charged) included with the unit When using one , commercially available, high capacity, "AA" size batteries with rechargeable battery Line/optical digital, microphone (powered by the main unit) Headphones (impedance: 19 ohms)/ 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/monaural (longplay mode...
... (fully charged) included with the unit When using one , commercially available, high capacity, "AA" size batteries with rechargeable battery Line/optical digital, microphone (powered by the main unit) Headphones (impedance: 19 ohms)/ 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/monaural (longplay mode...
Service Manual
Page 4
...8. Disc Name Indicator 14. Volume/Name Select Buttons: + 23. Stop/Power Off Button: /:OFF 31. Microphone Input Jack (MS722/MS722C) 33. Headphones Jack (MS722/MS722C) 36. Record Indicator 4. Total Track Number Display 8. Battery Indicator: 10. 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. Level Meter 5. Random Indicator 9. Total Track Number Display 17. Volume/Name Select Buttons: - 20. Edit/Auto Mark/Time Mark Button 26. MD-MS722/C/W/MS721W MD-MS722/MS722C/MS722W NAME OF PARTS Remote control unit...
...8. Disc Name Indicator 14. Volume/Name Select Buttons: + 23. Stop/Power Off Button: /:OFF 31. Microphone Input Jack (MS722/MS722C) 33. Headphones Jack (MS722/MS722C) 36. Record Indicator 4. Total Track Number Display 8. Battery Indicator: 10. 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. Level Meter 5. Random Indicator 9. Total Track Number Display 17. Volume/Name Select Buttons: - 20. Edit/Auto Mark/Time Mark Button 26. MD-MS722/C/W/MS721W MD-MS722/MS722C/MS722W NAME OF PARTS Remote control unit...
Service Manual
Page 5
... Button 13. Bass Button 15. Fast Reverse/Fast Foward Buttons: Main unit 1. Play/Pause Button: 20. Enter/Fast Play/Synchro Button 27. Eject Lever 31. Battery Case Connection Terminals 35. Total Track Number Display 8. Track Number Indicator 9. Disc Name Indicator 13. Fast Reverse/Recording Level Control/ Cursor Button: 19. Character Button 26. Edit/Auto Mark/Time Mark Button 28. Stop/Power Off Button: /:OFF 30. Hold Switch 34. Play/Pause Button: 17. Record Indicator 3. Repeat Indicator: 5. Volume/Name Select Buttons: - 23. Handstrap Attachment Eye 29. Optical/Line Input...
... Button 13. Bass Button 15. Fast Reverse/Fast Foward Buttons: Main unit 1. Play/Pause Button: 20. Enter/Fast Play/Synchro Button 27. Eject Lever 31. Battery Case Connection Terminals 35. Total Track Number Display 8. Track Number Indicator 9. Disc Name Indicator 13. Fast Reverse/Recording Level Control/ Cursor Button: 19. Character Button 26. Edit/Auto Mark/Time Mark Button 28. Stop/Power Off Button: /:OFF 30. Hold Switch 34. Play/Pause Button: 17. Record Indicator 3. Repeat Indicator: 5. Volume/Name Select Buttons: - 23. Handstrap Attachment Eye 29. Optical/Line Input...
Service Manual
Page 6
... alkaline battery. Battery indicator < How to make a new digital recording from a track that was digitally recorded on the AC adaptor lead into the DC IN 5V socket. When the battery is needed. Then, the power will flash. RECORDING USING THE OPTICAL DIGITAL CABLE There are prevented by the battery indicator ( ) during operation. OPERATION MANUAL MD-MS722/C/W/MS721W About 4 seconds later, " " will flash, and the battery will appear. When the rechargeable battery and the alkaline battery are using the unit...
... alkaline battery. Battery indicator < How to make a new digital recording from a track that was digitally recorded on the AC adaptor lead into the DC IN 5V socket. When the battery is needed. Then, the power will flash. RECORDING USING THE OPTICAL DIGITAL CABLE There are prevented by the battery indicator ( ) during operation. OPERATION MANUAL MD-MS722/C/W/MS721W About 4 seconds later, " " will flash, and the battery will appear. When the rechargeable battery and the alkaline battery are using the unit...
Service Manual
Page 7
... the unit in the recording or editing mode? Read the operation manual for approximately 30 seconds. 4. If strange sounds, smell or smoke come out of the remaining recording time, further recording will then function properly. Is the remote control unit or the earphones plugged in the total. Plug the AC adaptor back into the unit, remove the AC adaptor from the earphones. When the number of tracks used for recording...
... the unit in the recording or editing mode? Read the operation manual for approximately 30 seconds. 4. If strange sounds, smell or smoke come out of the remaining recording time, further recording will then function properly. Is the remote control unit or the earphones plugged in the total. Plug the AC adaptor back into the unit, remove the AC adaptor from the earphones. When the number of tracks used for recording...
Service Manual
Page 8
... order. Din UNLOCK (UNLOCK) DISC ERROR (E-DISC) DISC FULL Poor connection of tracks. Check the number of the digital cable. The disc is not right, try recording again. The track has been protected from the disc. ( ): Error messages seen on a playbackonly disc. To have come to vibration or shock in the hold mode. Record using the analogue cable. MD-MS722/C/W/MS721W - 8 - Erase all of the disc has been damaged. HOLD (HOLD) LOCKED LOCK ERROR NO DISC PB DISC PROTECTED POWER ? A large...
... order. Din UNLOCK (UNLOCK) DISC ERROR (E-DISC) DISC FULL Poor connection of tracks. Check the number of the digital cable. The disc is not right, try recording again. The track has been protected from the disc. ( ): Error messages seen on a playbackonly disc. To have come to vibration or shock in the hold mode. Record using the analogue cable. MD-MS722/C/W/MS721W - 8 - Erase all of the disc has been damaged. HOLD (HOLD) LOCKED LOCK ERROR NO DISC PB DISC PROTECTED POWER ? A large...
Service Manual
Page 13
... protect area is updated. (In case of record laser output(servo gain is performed. • Change of protect releasing) 13. RESULT 1 Mode 6. MANUAL 1 Mode 4. areindicated. • In the normal mode both temperature correction and posture correction are selected and set unit without adjustment. • In the normal mode the internal operation mode, memory capacity, etc. Entering the TEST mode 1. MANUAL 2 Mode 5. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC...
... protect area is updated. (In case of record laser output(servo gain is performed. • Change of protect releasing) 13. RESULT 1 Mode 6. MANUAL 1 Mode 4. areindicated. • In the normal mode both temperature correction and posture correction are selected and set unit without adjustment. • In the normal mode the internal operation mode, memory capacity, etc. Entering the TEST mode 1. MANUAL 2 Mode 5. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC...
Service Manual
Page 14
... or during automatic adjustment, the mode changes to the TEST mode stop state. OK is displayed, AUTO2 is pressed, the setting reduces. Adjustment item out of adjustment items for operation during continuous playback refer to "TEST-PLAY mode explanation". 5. If the VOL DOWN button is executed. 2. If the VOL DOWN button is not output. • Be sure to adjust, using the specified disc MMD-212. MANUAL1 Mode • Adjustment item to...
... or during automatic adjustment, the mode changes to the TEST mode stop state. OK is displayed, AUTO2 is pressed, the setting reduces. Adjustment item out of adjustment items for operation during continuous playback refer to "TEST-PLAY mode explanation". 5. If the VOL DOWN button is executed. 2. If the VOL DOWN button is not output. • Be sure to adjust, using the specified disc MMD-212. MANUAL1 Mode • Adjustment item to...
Service Manual
Page 15
... STOP button is pressed while the error data indication menu appears or during operation Indication of memory capacity on main unit LCD [ ] + Level meter : Internal mode : Address (Cluster section) : Address (Sector section) • Selection of sound volume, BASS, etc. IN detection time-over 17h : A, B, E, F, and TCRSO offset measurement value out of tolerable range 21h : Focus retraction completion allowable time-over 23h : Track search completion allowable time-over 24h : Disc linear speed...
... STOP button is pressed while the error data indication menu appears or during operation Indication of memory capacity on main unit LCD [ ] + Level meter : Internal mode : Address (Cluster section) : Address (Sector section) • Selection of sound volume, BASS, etc. IN detection time-over 17h : A, B, E, F, and TCRSO offset measurement value out of tolerable range 21h : Focus retraction completion allowable time-over 23h : Track search completion allowable time-over 24h : Disc linear speed...
Service Manual
Page 44
... DSPDAT Output Unit indication data output 10 P32 DSPSTB Output Unit indication strobe output 11* P33 P33 Output Spare 12* SCK0 SCk0 Output Serial IO clock output (not used 18 Vss VSS - Ground potential 32 PC0 PCLAT Output Record audio IC data latch output 33 PC1 _MCPGI Input Microphone plug insertion detection input 34 PC2 _INPGI Input Line/digital plug insertion detection 35 PC3 INPGCK Input Line/digital plug type detection 36 PC4 RCPCNT Output Record circuit power control output 37 PC5 TEST1 Input Test mode setting input...
... DSPDAT Output Unit indication data output 10 P32 DSPSTB Output Unit indication strobe output 11* P33 P33 Output Spare 12* SCK0 SCk0 Output Serial IO clock output (not used 18 Vss VSS - Ground potential 32 PC0 PCLAT Output Record audio IC data latch output 33 PC1 _MCPGI Input Microphone plug insertion detection input 34 PC2 _INPGI Input Line/digital plug insertion detection 35 PC3 INPGCK Input Line/digital plug type detection 36 PC4 RCPCNT Output Record circuit power control output 37 PC5 TEST1 Input Test mode setting input...