Sharp MS702 - MiniDisc Recorder Manual de Serviço

MD-MS701W/MS702– 1 –CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS701W ONLY) ...

MD-MS701W/MS702– 10 –1 Bottom Cabinet 1. Open the battery Lid. 10-12. Screw ...(A1) x62 Top Cabinet 1. Screw ...(B

MD-MS701W/MS702– 11 –REMOVING AND REINSTALLING THE MAIN PARTSRemove the mechanism according to the disassembling meth-ods 1 to 3. (See Page 10.)How to

MD-MS701W/MS702– 12 – Entering the TEST mode1. Setting at port (in standby state, disc-free state or power nonconnected state)(1) Set the port as f

MD-MS701W/MS702– 13 –1. AUTO1 Mode• When the STOP button is pressed while the AUTO1 menu appears or during automatic adjustment, the mode changes to t

MD-MS701W/MS702– 14 –• When the STOP button is pressed while the TEST-REC menu appears, or in the TEST-REC mode or continuous record mode, the modecha

MD-MS701W/MS702– 15 –12. INNER Mode• when the STOP button is pressed on the INNER menu (SQ______ ), the state is changed to the TEST mode STOP state.

MD-MS701W/MS702– 16 –Ambient temperature Temperature correction-5oC ~ +9oC 08h + 0.5oC+6oC ~ +21oC 07h + 12.5oC+17oC ~ +32oC 06h + 23.6oC+29oC ~ +44oC

MD-MS701W/MS702– 17 – E2-PROM DATA LISTTEMP settingItem display Set valuesT M _ _ Calculate valuesSled settingItem display Set valuesS L G _

MD-MS701W/MS702– 18 –: Test Mode STOP: Pre-autoadjustment menu: ATT autoadjustment menu: Pre-manual adjustment menu: ATT manual adjustment menu: Pread

MD-MS701W/MS702– 19 –: ATT Autoadjustment menu: ATT adjustment error (adjustment value output): During ATT autoadjustmentAdjustment errorNormal end: A

MD-MS701W/MS702– 2 –SAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS701W ONLY)Precaution to be taken when replacing and servicing theLaser Pickup.The AEL (

MD-MS701W/MS702– 20 –: RF side focus gain minor adjustment : Gain setting: A-ATT (focus) initial setting : ATT setting: B-ATT (focus) initial sett

MD-MS701W/MS702– 21 –: Temperature code displayATT manual adjustment menu: Temperature code display $ $  : Temperature code: Laser ON (Play Power):

MD-MS701W/MS702– 22 –: B-ATT (focus) initial setting: E-ATT (tracking) initial setting: F-ATT (tracking) initial settingContinued from the preceding p

MD-MS701W/MS702– 23 –: ATT Setting Check: Pit section E-ATT (tracking) setting: Pit section F-ATT (tracking) setting: Groove section E-ATT (tracking)

MD-MS701W/MS702– 24 –: Continuous record menuPLAYT R E CContinuous RrecordA P # # # #* When the "STOP" button is pressed in specific

MD-MS701W/MS702– 25 –: Error history display menu: Error history 0 display § § : Error code: Error history 1 display § § : Error code: Error history

MD-MS701W/MS702– 26 –: Focus setting menu: Focus system loop filter gain constant setting : setting: Focus system loop filter f-characteristics cons

MD-MS701W/MS702– 27 –: Tracking setting menu: Tracking system loop filter gain constant setting (normal) : setting: Tracking system loop filter f-ch

MD-MS701W/MS702– 28 –: Temp setting menu: TEMP setting : setting § §: Temperature code: TEMP A/D input value : Measurement valuePLAY T e m

MD-MS701W/MS702– 29 –: Control setting menu: Play start SD number, EEPROM version : setting: REC superposition, EL existence/nonexistence, move star

MD-MS701W/MS702– 3 – GeneralPower source: DC 3.6 V (rechargeable lithium-ionbattery x 1)DC 5 V (AC adaptor)DC 3V: Separately available batteryMD

MD-MS701W/MS702– 30 –SW401 EJECT OFF—ONSW402 HOLD OFF—ONSW901 DISC IN OFF—ONSW902 DISC PROTECT OFF—ONNOTES ON SCHEMATIC DIAGRAM• Resistor:To different

MD-MS701W/MS702– 31 – Figure 31 BLOCK DIAGRAMLASERHEADLIFTMOTORMOTORDRIVERSPINDLEMOTORSLEDMOTORSPINDLEMOTORDRIVER(BA6965FV)VCC VSHEADDRIVERVSVCCRF S

MD-MS701W/MS702– 32 –Figure 32 SCHEMATIC DIAGRAM (1/4)P32P33 P34NOTES ON SCHEMATIC DIAGRAM can be found on page 30.ABCDEFGH12345616 15 14 13 12 11 109

MD-MS701W/MS702– 33 –78 9 10 11 12The numbers 1 to 18 are waveform numbers shown in page 43.Figure 33 SCHEMATIC DIAGRAM (2/4)P32P33 P34141312111

MD-MS701W/MS702– 34 –ABCDEFGH123456NOTES ON SCHEMATIC DIAGRAM can be found on page 30.Figure 34 SCHEMATIC DIAGRAM (3/4)P32P33 P34Figure 1 is contents

MD-MS701W/MS702– 35 –78 9 10 11 12The numbers 1 to 18 are waveform numbers shown in page 43.Figure 35 SCHEMATIC DIAGRAM (4/4)0V1.0V2.1V0V5.0V0V0

MD-MS701W/MS702– 36 –ABCDEFGH123456Figure 36 WIRING OF P.W.BOARD (1/7)The numbers 1 to 18 are waveform numbers shown in page 43.J801C161R154Q101

MD-MS701W/MS702– 37 –78 9 10 11 12Figure 37 WIRING OF P.W.BOARD (2/7)11100959085807515101315202425303537453646127065605551504540353025201510511115811

MD-MS701W/MS702– 38 –Figure 38 WIRING OF P.W.BOARD (3/7)ABCDEFGH123456The numbers 5 to 8 are waveform numbers shown in page 43.BJ703HEADPHONESJ

MD-MS701W/MS702– 39 –78 9 10 11 12Figure 39 WIRING OF P.W.BOARD (4/7)JACK PWB-A2(BOTTOM)CN701TO MAIN PWBP37 10-HAUDIO FLEXIBLE PWB(254)L456C451L452C7

MD-MS701W/MS702– 4 –NAME OF PARTS Remote Control Unit 1. Synchro Recording Indicator 2. Character/Time Information Indicator 3. Record Indicator

MD-MS701W/MS702– 40 –ABCDEFGH123456Figure 40 WIRING OF P.W.BOARD (5/7)The numbers 5 to 8 are waveform numbers shown in page 43.J703HEADPHONESJ7

MD-MS701W/MS702– 41 –78 9 10 11 12Figure 41 WIRING OF P.W.BOARD (6/7)JACK PWB-A2(BOTTOM)CN701TO MAIN PWBP37 10-HAUDIO FLEXIBLE PWB(254)L456C451L452C7

MD-MS701W/MS702– 42 –Figure 42 WIRING OF P.W.BOARD (7/7)ABCDEFGH123456TO MAIN PWBP37 8-GPICKUP UNIT (15)M902SLED MOTORM901SPINDLE MOTORM903LIFT MOTO

MD-MS701W/MS702– 43 –WAVEFORMS OF MD CIRCUITNORM:200kS / s1994 / 12 / 15 22:54:19=Filter= =Offset= =Record Length=Smoothiing : OFFBW : FULLCH1 :

MD-MS701W/MS702– 44 –TROUBLESHOOTINGIt is advisable to use the TEST mode (refer to Error Data Display Mode, P15) indicating the causes of troubles bef

MD-MS701W/MS702– 45 –YesCheck whether there is defective solder joint of audio signalline between IC703 and J703NoYesIs audio wavefrom output from J70

MD-MS701W/MS702– 46 –• The spindle motor fails to run.Does the head moveNoDoes the waveform appear on the IC201 pins 24 and 25 afterTEST mode AUTO2 c

MD-MS701W/MS702– 47 –1 P120 SWP UP Output Asterisk input Output for pull-up2*~7* P121~P126 P121~P126 Output Not used8 P127 OEM Input Product brand I

MD-MS701W/MS702– 48 –60 P44 LDON Output P.U. laser ON/OFF control output61 P45 OPICGA Output P.U. detection sensitivity selection output62 P46 RFLAT O

MD-MS701W/MS702– 49 –PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified

MD-MS701W/MS702– 5 –Even if the maximum recordingtime of a MiniDisc has not beenreached, “DISC FULL” or “TOCFULL” may be displayed.When the number of

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONMD-MS702/MD-MS701W– 1 –INTEGRATED CIRCUITSIC101 VHIIR3R55//-1 J AQ RF Signal,Proces

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONMD-MS702/MD-MS701WC503,504 VCSAFA1AJ335M J AD 3.3 µF,10VC505,506 VCKYCY1HB102K J AA

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONMD-MS702/MD-MS701WR767,768 VRS-CY1JB102J J AA 1 kohm,1/16WR801 VRS-CY1JB684D J AA 6

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONMD-MS702/MD-MS701W236 JKNBZ2045AFSA J AC Knob,REC [701]236 JKNBZ2048AFSA J AC Knob,R

MD-MS701W/MS702ABCDEFGH123456Figure 5 MD MECHANISM EXPLODED VIEW– 5 –127507365204233050988-18-3(SW902)50650150611135042526295141518165055075105125135

MD-MS701W/MS702ABCDEFGH123456Figure 6 CABINET EXPLODED VIEW– 6 –MD MechanismMS702 Only2202162092192472172036066012082112052462136036052152102516066066

MD-MS701W/MS702Remote ContolRechargeable,BatteryPacking Add., UnitSPAKA2678AFZZPacking CaseSPAKC6561AFZZSheetSPAKZ0479AFZZOperation ManualQuick GuideC

MD-MS701W/MS702– 6 – Checking the remainingamount of battery chargeThe remaining amount of battery charge isshown by the battery indicator (

MD-MS701W/MS702– 7 –Error messages Meaning RemedyBATT EMPTYThe battery run down. Charge the rechargeable battery or replace the alkaline batteries (or

MD-MS701W/MS702– 8 –QUICK GUIDE (MD-MS702 ONLY)PORTABLE MINIDISC RECORDERMD-MS702Quick-GuideGuía rápidaRechargeable battery powerAlimentación de la ba

MD-MS701W/MS702– 9 –Playing a MiniDiscReproducción de un minidiscoLoading and playing a MiniDiscInserción y reproducción de un minidisco●The power wil