Operation Manual
Page 8
... SV sod,* on de ha]. ere the AC edsold Ipn de AC Scc0al • How 'ow ar AC meow wor Men Mane ipso- oi Ow MD 00:00:01, eayMwGlaij•exe CHM= • SSW sou am WOO M sildisigeabo bailey moo Ms shske Oseimyst Me same sme do nos memo wind...
... SV sod,* on de ha]. ere the AC edsold Ipn de AC Scc0al • How 'ow ar AC meow wor Men Mane ipso- oi Ow MD 00:00:01, eayMwGlaij•exe CHM= • SSW sou am WOO M sildisigeabo bailey moo Ms shske Oseimyst Me same sme do nos memo wind...
Operation Manual
Page 9
... Ta transfer the music to a MiroDisc allows very h gh quality record- • Maio equipment: CO Myer, MD player. • 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 lI e... ng the optical digtai Cable included with the unit • Main eguiprnert. radio cassette player. CD player, MD player. There are possible: 'Digital recording and "Analogue recording'. COBS tuner, etc. • Cable required Optical digital cable ;Optical digital cable included writ the unit or...
... Ta transfer the music to a MiroDisc allows very h gh quality record- • Maio equipment: CO Myer, MD player. • 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 lI e... ng the optical digtai Cable included with the unit • Main eguiprnert. radio cassette player. CD player, MD player. There are possible: 'Digital recording and "Analogue recording'. COBS tuner, etc. • Cable required Optical digital cable ;Optical digital cable included writ the unit or...
Operation Manual
Page 17
...OFF (The display win be erased. 1 During playback, press the Pell Dutton at the point where you want to make a new recordirg. recordings using a CD payer or en MD player, track numbers will be dismayed E-16 As: • When making delta! iSee °EDITING', page 27.) Making a track number ...automatically: Press the EDIT/MARK button whilst the recording is paused. • `AUTO MARK" will be created auto-ea/wally regardless of the ...
...OFF (The display win be erased. 1 During playback, press the Pell Dutton at the point where you want to make a new recordirg. recordings using a CD payer or en MD player, track numbers will be dismayed E-16 As: • When making delta! iSee °EDITING', page 27.) Making a track number ...automatically: Press the EDIT/MARK button whilst the recording is paused. • `AUTO MARK" will be created auto-ea/wally regardless of the ...
Operation Manual
Page 21
...will be stored on the thwarter several editing steps have been performed Caution: • Whilst "TOC" or "'IOC EDIT!" Wren a new recording is displayed, the MiniDisc should nor be emoved Ten the pow off lint, and then remove tie MiniD so.er • The edited contents can be erased. ...recurring (oefore the TOG infornat on the disc. The entire MD is controlled by We information a this unit oh. The mvised TOC will be recorded on the Minna's° right away. TN indicates that allow the unit to recording or editing being changed according to Ind musical selections or sounds...
...will be stored on the thwarter several editing steps have been performed Caution: • Whilst "TOC" or "'IOC EDIT!" Wren a new recording is displayed, the MiniDisc should nor be emoved Ten the pow off lint, and then remove tie MiniD so.er • The edited contents can be erased. ...recurring (oefore the TOG infornat on the disc. The entire MD is controlled by We information a this unit oh. The mvised TOC will be recorded on the Minna's° right away. TN indicates that allow the unit to recording or editing being changed according to Ind musical selections or sounds...
Operation Manual
Page 28
...function can do you can create original discs using the MD °citing function, on which you can change the order co me tracks and you can quickly check the name of the cha-actors and data on a recorded MD 'master MD with tracks and Il character inforrnat on can be translerred... onto a recordable MD. Since track names are displayed when the beginning of each track. • Lepers (capital letters/lowercase letters),...
...function can do you can create original discs using the MD °citing function, on which you can change the order co me tracks and you can quickly check the name of the cha-actors and data on a recorded MD 'master MD with tracks and Il character inforrnat on can be translerred... onto a recordable MD. Since track names are displayed when the beginning of each track. • Lepers (capital letters/lowercase letters),...
Operation Manual
Page 33
..., 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. If the ...operation will be performed from slap 2 5 LReading t 6 (CHANGE MD E-32 Disc using the edit operation. (Pages 28-29) • This...
..., 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. If the ...operation will be performed from slap 2 5 LReading t 6 (CHANGE MD E-32 Disc using the edit operation. (Pages 28-29) • This...
Operation Manual
Page 38
..., do not leave discs in places exposed to (Weed sunlight or in cars with a dry cloth. Me disc signals cannot be pow sable to ar MD canricge, he unit has condensation inside a protective care dge You car handle it with the doors and windows closed. Do not leave discus in places... malfunctions. The unit will then fund on a heate, • When the unit is placed in aproxinate y 1 bout. Please note the loliowir• • Handling the MiniDisc Do not touch the disc directly! A Moil:Ifs° is a disc inside .
..., do not leave discs in places exposed to (Weed sunlight or in cars with a dry cloth. Me disc signals cannot be pow sable to ar MD canricge, he unit has condensation inside a protective care dge You car handle it with the doors and windows closed. Do not leave discus in places... malfunctions. The unit will then fund on a heate, • When the unit is placed in aproxinate y 1 bout. Please note the loliowir• • Handling the MiniDisc Do not touch the disc directly! A Moil:Ifs° is a disc inside .
Service Manual
Page 1
...used for after sales service only. 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......44 PARTS GUIDE/EXPLODED VIEW PACKING OF THE SET (MD-MS722 ONLY) SHARP CORPORATION - 1 - MD-MS722/C/W/MS721W SERVICE MANUAL No. SX891MDMS722U (Illustration: MD-MS722/MS722C/MS722W) MD-MS722 MD-MS722C MD-MS722W MD-MS721W(BL) MD-MS721W(S) (Illustration: MD-MS721W) • In the interests of user-safety the...
...used for after sales service only. 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......44 PARTS GUIDE/EXPLODED VIEW PACKING OF THE SET (MD-MS722 ONLY) SHARP CORPORATION - 1 - MD-MS722/C/W/MS721W SERVICE MANUAL No. SX891MDMS722U (Illustration: MD-MS722/MS722C/MS722W) MD-MS722 MD-MS722C MD-MS722W MD-MS721W(BL) MD-MS721W(S) (Illustration: MD-MS721W) • In the interests of user-safety the...
Service Manual
Page 2
... the power is turned on without a compact disc, and the Pickup is on the bottom. VARNING - ADVARSEL - MD-MS722/C/W/MS721W SAFETY PRECAUTION FORSERVICE MANUAL (MD-MS722W/MS721W ONLY) Precaution to be sure to disconnect the AC adaptor and remove the batteries. CAUTION The AEL (Accessible ...Class I Requirements. However, the following precautions must be observed during servicing to protect your eyesagainst exposure to the laser. This Portable MiniDisc Recorder is located on a position outer than the lead-in this model is pressed, the laser will lesk from the opening btween ...
... the power is turned on without a compact disc, and the Pickup is on the bottom. VARNING - ADVARSEL - MD-MS722/C/W/MS721W SAFETY PRECAUTION FORSERVICE MANUAL (MD-MS722W/MS721W ONLY) Precaution to be sure to disconnect the AC adaptor and remove the batteries. CAUTION The AEL (Accessible ...Class I Requirements. However, the following precautions must be observed during servicing to protect your eyesagainst exposure to the laser. This Portable MiniDisc Recorder is located on a position outer than the lead-in this model is pressed, the laser will lesk from the opening btween ...
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 ...alkaline batteries may be different, depending on the operating temperature. The above values 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 continuous play...
...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 ...alkaline batteries may be different, depending on the operating temperature. The above values 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 continuous play...
Service Manual
Page 4
... Volume/Name Select Buttons: + 23. Mode/Insert Button 27. Index Indicator 4. Repeat Indicator: 6. Disc Mode Indicator 13. Remaining Recording Time Indicator 16. Enter/Fast Play/Synchro Button 29. Hold Switch 35. Repeat Indicator: 5. Random Indicator 6. Disc Name Indicator 14.... - 4 - Display/Volume Shuttle Switch 12. Monaural Long-Play Mode Indicator 2. Optical/Line Input Socket (MS722W) 33. MD-MS722/C/W/MS721W MD-MS722/MS722C/MS722W NAME OF PARTS Remote control unit 1. Battery Indicator: 10. Stop/Power Off Button: /:OFF 31. Battery Indicator: 8....
... Volume/Name Select Buttons: + 23. Mode/Insert Button 27. Index Indicator 4. Repeat Indicator: 6. Disc Mode Indicator 13. Remaining Recording Time Indicator 16. Enter/Fast Play/Synchro Button 29. Hold Switch 35. Repeat Indicator: 5. Random Indicator 6. Disc Name Indicator 14.... - 4 - Display/Volume Shuttle Switch 12. Monaural Long-Play Mode Indicator 2. Optical/Line Input Socket (MS722W) 33. MD-MS722/C/W/MS721W MD-MS722/MS722C/MS722W NAME OF PARTS Remote control unit 1. Battery Indicator: 10. Stop/Power Off Button: /:OFF 31. Battery Indicator: 8....
Service Manual
Page 5
... 25. Enter/Fast Play/Synchro Button 27. Earphones Socket 36. 5V DC Input Socket 37. Record Indicator 4. Hold Switch 12. Play/Pause Button: 17. TOC Indocator 6. Disc Name Indicator 13. Handstrap Attachment Eye 29. Eject Lever 31. 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...
... 25. Enter/Fast Play/Synchro Button 27. Earphones Socket 36. 5V DC Input Socket 37. Record Indicator 4. Hold Switch 12. Play/Pause Button: 17. TOC Indocator 6. Disc Name Indicator 13. Handstrap Attachment Eye 29. Eject Lever 31. 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...
Service Manual
Page 6
... the alkaline battery with the arrow first. 3 Close the rechargeable battery com- Playback Digital cable Recording CD player, MD player, etc. OPERATION MANUAL MD-MS722/C/W/MS721W When the AC adaptor included with this case, press the / :OFF button twice to make a new...on the AC adaptor lead into the DC IN 5V socket. Digitally recorded MiniDisc Playback Digital cable Recording Analogue recording is in the battery indicator may increase or decrease, depending on a MiniDisc MiniDiscs are designed so that only first generation digital copies can be charged,...
... the alkaline battery with the arrow first. 3 Close the rechargeable battery com- Playback Digital cable Recording CD player, MD player, etc. OPERATION MANUAL MD-MS722/C/W/MS721W When the AC adaptor included with this case, press the / :OFF button twice to make a new...on the AC adaptor lead into the DC IN 5V socket. Digitally recorded MiniDisc Playback Digital cable Recording Analogue recording is in the battery indicator may increase or decrease, depending on a MiniDisc MiniDiscs are designed so that only first generation digital copies can be charged,...
Service Manual
Page 7
...into the unit, remove the AC adaptor from the AC socket immediately and contact an authorised SHARP service centre. When recorded tracks are scratches or dust on how the disc has been recorded or edited. If there are played back using a different system than 12 seconds long may... cases, condensation may not be displayed. The total of the unit or an object is excessive steam or moisture. MD-MS722/C/W/MS721W - 7 - Shortly after turning on . The MiniDisc cannot be skipped whilst cueing and reviewing. Is the unit in a room where there is dropped into the AC socket...
...into the unit, remove the AC adaptor from the AC socket immediately and contact an authorised SHARP service centre. When recorded tracks are scratches or dust on how the disc has been recorded or edited. If there are played back using a different system than 12 seconds long may... cases, condensation may not be displayed. The total of the unit or an object is excessive steam or moisture. MD-MS722/C/W/MS721W - 7 - Shortly after turning on . The MiniDisc cannot be skipped whilst cueing and reviewing. Is the unit in a room where there is dropped into the AC socket...
Service Manual
Page 8
... come to , the unit cannot accept your command. The disc is impossible. The EJECT lever was recorded. You have it with another recordable disc. Return the HOLD switch to its original position. MD-MS722/C/W/MS721W - 8 - No copy can be played. Din UNLOCK (UNLOCK) DISC ERROR (E-DISC) DISC.... The unit is not right, try editing it with a recorded disc. HOLD (HOLD) LOCKED LOCK ERROR NO DISC PB DISC PROTECTED POWER ? If the sound you purchased the unit. Turn off the power and remove the MiniDisc. Replace it repaired, go to record on the remote control.
... come to , the unit cannot accept your command. The disc is impossible. The EJECT lever was recorded. You have it with another recordable disc. Return the HOLD switch to its original position. MD-MS722/C/W/MS721W - 8 - No copy can be played. Din UNLOCK (UNLOCK) DISC ERROR (E-DISC) DISC.... The unit is not right, try editing it with a recorded disc. HOLD (HOLD) LOCKED LOCK ERROR NO DISC PB DISC PROTECTED POWER ? If the sound you purchased the unit. Turn off the power and remove the MiniDisc. Replace it repaired, go to record on the remote control.
Service Manual
Page 11
...ø1.4x2mm 1 Bottom Cabinet 1. Raise the rear part, and remove in the arrow direction. (Illustration: MD-MS722) 11-3 Pull Pull Pull Pull Pull Pull (C3)x3 (C2)x1* (C2)x1 Flexble PWB for ...take out the mini-disc. 2. When repairing, pay utmost attention to static electricity of optical pickup by mistake, MD ejection may result in malfunction. 3. Flexble PWB ......... (C2) x2 3. Soldering C3) x4 11-2 (C1)x1...directly the front end of flexible PWB with the sheet metal. When assembling after disassembling or Bottom Cabinet repair, observe the following requirements so as to...
...ø1.4x2mm 1 Bottom Cabinet 1. Raise the rear part, and remove in the arrow direction. (Illustration: MD-MS722) 11-3 Pull Pull Pull Pull Pull Pull (C3)x3 (C2)x1* (C2)x1 Flexble PWB for ...take out the mini-disc. 2. When repairing, pay utmost attention to static electricity of optical pickup by mistake, MD ejection may result in malfunction. 3. Flexble PWB ......... (C2) x2 3. Soldering C3) x4 11-2 (C1)x1...directly the front end of flexible PWB with the sheet metal. When assembling after disassembling or Bottom Cabinet repair, observe the following requirements so as to...
Service Manual
Page 12
...the solder joint (B1) x 2 of flexible PWB. 3. Note: Take care so that the motor gear is not damaged. (B1)x2 Remove the solder joint MD Mechanism Figure 12-1 (B3)x1 ø1.4x5.5mm Lift Motor (B2)x1 ø1.4x1.5mm How to remove the sled motor (See Fig. 12-3.) 1. ...pickup. Remove the screw (B3) x 1 pc., and remove the lift motor. Figure 12-4 Remove the screw (B2) x 1 pc., and remove the flexible PWB. 3. MD-MS722/C/W/MS721W REMOVING AND REINSTALLING THE MAIN PARTS Remove the mechanism according to the disassembling methods 1 to 3. (See Page 11.) (A2)x3 ø1.4x2.8mm How...
...the solder joint (B1) x 2 of flexible PWB. 3. Note: Take care so that the motor gear is not damaged. (B1)x2 Remove the solder joint MD Mechanism Figure 12-1 (B3)x1 ø1.4x5.5mm Lift Motor (B2)x1 ø1.4x1.5mm How to remove the sled motor (See Fig. 12-3.) 1. ...pickup. Remove the screw (B3) x 1 pc., and remove the lift motor. Figure 12-4 Remove the screw (B2) x 1 pc., and remove the flexible PWB. 3. MD-MS722/C/W/MS721W REMOVING AND REINSTALLING THE MAIN PARTS Remove the mechanism according to the disassembling methods 1 to 3. (See Page 11.) (A2)x3 ø1.4x2.8mm How...
Service Manual
Page 13
...capacity, etc. 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 individually.) • Cut-off frequency of .... • Temperature detection terminal voltage is measured, and the reference value is turned on which music has been recorded. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC IN. Setting at port (in standby state) (1) Holding down simultaneously the VOLUME...
...capacity, etc. 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 individually.) • Cut-off frequency of .... • Temperature detection terminal voltage is measured, and the reference value is turned on which music has been recorded. MD-MS722/C/W/MS721W Test disc ADJUSTMENT MD adjustment needs two types of DC IN. Setting at port (in standby state) (1) Holding down simultaneously the VOLUME...
Service Manual
Page 14
... the TEST-PLAY mode, the digit which is changed to the TEST mode STOOP state. 6. If the VOL DOWN button is pressed, the setting reduces. MD-MS722/C/W/MS721W Operation in the RAM. • When the VOL UP/DOWN button is held down, the setting changes continuously with 100 ms cycle. • If...
... the TEST-PLAY mode, the digit which is changed to the TEST mode STOOP state. 6. If the VOL DOWN button is pressed, the setting reduces. MD-MS722/C/W/MS721W Operation in the RAM. • When the VOL UP/DOWN button is held down, the setting changes continuously with 100 ms cycle. • If...
Service Manual
Page 15
MD-MS722/C/W/MS721W •Whenever the DISP button is pressed in the continuous playback...; When the STOP button is also stored in miserase-protected state. 9. is possible (without indication) • Recording is higher that the allowable tempera- ture. - 15 - Error data display Mode • Reversing when SKIP ...52h : SD write data write disabled 71h : Pickup position initialization time-over 72h : EEPROM data read check sum error 73h : Record head drive disabled (by the SKIP UP/DOWN button changes as follows. * Pit section Continuous playback (SUBQ address indication) [ S...
MD-MS722/C/W/MS721W •Whenever the DISP button is pressed in the continuous playback...; When the STOP button is also stored in miserase-protected state. 9. is possible (without indication) • Recording is higher that the allowable tempera- ture. - 15 - Error data display Mode • Reversing when SKIP ...52h : SD write data write disabled 71h : Pickup position initialization time-over 72h : EEPROM data read check sum error 73h : Record head drive disabled (by the SKIP UP/DOWN button changes as follows. * Pit section Continuous playback (SUBQ address indication) [ S...