Sharp MD-MS701H Servisní příručka

MD-MS701H/MS702H– 1 –CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL ...

MD-MS701H/MS702H– 10 –1 High reflection disc MMD-110 (TEAC Test MD) 88GMMD-1102 Lowreflection disc MMD-212 (TEAC Test MD) 88GMMD-2123 Low reflection d

MD-MS701H/MS702H– 11 –1. AUTO1 Mode• When the STOP button is pressed while the AUTO1 menu appears or during automatic adjustment, the mode changes to

MD-MS701H/MS702H– 12 –• When the STOP button is pressed while the TEST-REC menu appears, or in the TEST-REC mode or continuous record mode, the modech

MD-MS701H/MS702H– 13 –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-MS701H/MS702H– 14 –Ambient temperature Temperature correction-5oC ~ +9oC 08h + 0.5oC+6oC ~ +21oC 07h + 12.5oC+17oC ~ +32oC 06h + 23.6oC+29oC ~ +44o

MD-MS701H/MS702H– 15 – E2-PROM DATA LISTTEMP settingItem display Set valuesT M _ _ Calculate valuesSled settingItem display Set valuesS L G _

MD-MS701H/MS702H– 16 –: Test Mode STOP: Pre-autoadjustment menu: ATT autoadjustment menu: Pre-manual adjustment menu: ATT manual adjustment menu: Prea

MD-MS701H/MS702H– 17 –: ATT Autoadjustment menu: ATT adjustment error (adjustment value output): During ATT autoadjustmentAdjustment errorNormal end:

MD-MS701H/MS702H– 18 –: RF side focus gain minor adjustment : Gain setting: A-ATT (focus) initial setting : ATT setting: B-ATT (focus) initial set

MD-MS701H/MS702H– 19 –: Temperature code displayATT manual adjustment menu: Temperature code display $ $  : Temperature code: Laser ON (Play Power)

MD-MS701H/MS702H– 2 –SAFETY PRECAUTION FOR SERVICE MANUALPrecaution to be taken when replacing and servicing theLaser Pickup.The AEL (Accessible Emiss

MD-MS701H/MS702H– 20 –: B-ATT (focus) initial setting: E-ATT (tracking) initial setting: F-ATT (tracking) initial settingContinued from the preceding

MD-MS701H/MS702H– 21 –: ATT Setting Check: Pit section E-ATT (tracking) setting: Pit section F-ATT (tracking) setting: Groove section E-ATT (tracking)

MD-MS701H/MS702H– 22 –: Continuous record menuPLAYT R E CContinuous RrecordA P # # # #* When the "STOP" button is pressed in specific

MD-MS701H/MS702H– 23 –: Error history display menu: Error history 0 display § § : Error code: Error history 1 display § § : Error code: Error histor

MD-MS701H/MS702H– 24 –: Focus setting menu: Focus system loop filter gain constant setting : setting: Focus system loop filter f-characteristics con

MD-MS701H/MS702H– 25 –: Tracking setting menu: Tracking system loop filter gain constant setting (normal) : setting: Tracking system loop filter f-c

MD-MS701H/MS702H– 26 –: Temp setting menu: TEMP setting : setting § § : Temperature code: TEMP A/D input value : Measurement valuePLAY T e

MD-MS701H/MS702H– 27 –: Control setting menu: Play start SD number, EEPROM version : setting: REC superposition, EL existence/nonexistence, move sta

MD-MS701H/MS702H– 28 –SW401 EJECT OFF—ONSW402 HOLD OFF—ONSW901 DISC IN OFF—ONSW902 DISC PROTECT OFF—ONNOTES ON SCHEMATIC DIAGRAM• Resistor:To differen

MD-MS701H/MS702H– 29 – Figure 29 BLOCK DIAGRAMLASERHEADLIFTMOTORMOTORDRIVERSPINDLEMOTORSLEDMOTORSPINDLEMOTORDRIVER(BA6965FV)VCC VSHEADDRIVERVSVCCRF

MD-MS701H/MS702H– 3 –FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TOTHE OPERATION MANUAL. GeneralPower source: DC 3.6 V (

MD-MS701H/MS702H– 30 –Figure 30 SCHEMATIC DIAGRAM (1/4)P30P31 P32NOTES ON SCHEMATIC DIAGRAM can be found on page 28.ABCDEFGH12345616 15 14 13 12 11 10

MD-MS701H/MS702H– 31 –78 9 10 11 12The numbers 1 to 18 are waveform numbers shown in page 39.Figure 31 SCHEMATIC DIAGRAM (2/4)P30P31 P3254321432

MD-MS701H/MS702H– 32 –ABCDEFGH123456NOTES ON SCHEMATIC DIAGRAM can be found on page 28.Figure 32 SCHEMATIC DIAGRAM (3/4)P30P31 P3214131211109876543218

MD-MS701H/MS702H– 33 –78 9 10 11 12The numbers 1 to 18 are waveform numbers shown in page 39.Figure 33 SCHEMATIC DIAGRAM (4/4)0V1.0V2.1V0V5.0V0V

MD-MS701H/MS702H– 34 –ABCDEFGH123456Figure 34 WIRING OF P.W.BOARD (1/5)The numbers 1 to 18 are waveform numbers shown in page 39.J801C161R154Q10

MD-MS701H/MS702H– 35 –78 9 10 11 12Figure 35 WIRING OF P.W.BOARD (2/5)1110095908580751510131520242530353745364612706560555150454035302520151051111581

MD-MS701H/MS702H– 36 –Figure 36 WIRING OF P.W.BOARD (3/5)ABCDEFGH123456J703HEADPHONESJ701LINEJ702MIC INJACK PWB-A2(TOP)R766R767D491L458L457C751D493R76

MD-MS701H/MS702H– 37 –78 9 10 11 12Figure 37 WIRING OF P.W.BOARD (4/5)JACK PWB-A2(BOTTOM)CN701TO MAIN PWBP37 10-HAUDIO FLEXIBLE PWB(254)MD-SS702HPWBP

MD-MS701H/MS702H– 38 –Figure 38 WIRING OF P.W.BOARD (5/5)ABCDEFGH123456TO MAIN PWBP37 8-GPICKUP UNIT (15)M902SLED MOTORM901SPINDLE MOTORM903LIFT MOTO

MD-MS701H/MS702H– 39 –WAVEFORMS OF MD CIRCUITNORM:200kS / s1994 / 12 / 15 22:54:19=Filter= =Offset= =Record Length=Smoothiing : OFFBW : FULLCH1

MD-MS701H/MS702H– 4 –NAME OF PARTS Remote Control Unit 1. Synchro Recording Indicator 2. Character/Time Information Indicator 3. Record Indicato

MD-MS701H/MS702H– 40 –TROUBLESHOOTINGIt is advisable to use the TEST mode (refer to Error Data Display Mode, P15) indicating the causes of troubles be

MD-MS701H/MS702H– 41 –YesCheck whether there is defective solder joint of audio signalline between IC703 and J703NoYesIs audio wavefrom output from J7

MD-MS701H/MS702H– 42 –• The spindle motor fails to run.Does the head moveNoDoes the waveform appear on the IC201 pins 24 and 25 afterTEST mode AUTO2

MD-MS701H/MS702H– 43 –1 P120 SWP UP Output Asterisk input Output for pull-up2*~7* P121~P126 P121~P126 Output Not used8 P127 OEM Input Product brand

MD-MS701H/MS702H– 44 –60 P44 LDON Output P.U. laser ON/OFF control output61 P45 OPICGA Output P.U. detection sensitivity selection output62 P46 RFLAT

MD-MS701H/MS702H– 45 –PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specifie

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONMD-MS701H/MS702H– 1 –L171 RCILC0333AFZZ J AC 10 µH,ChokeL201 VPBNNR47M0000 J AC 0.4

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONMD-MS701H/MS702HC600 VCSAFB1AJ156M J AE 15 µF,10V,Electrolytic,TantalumC601~604 RC-K

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONMD-MS701H/MS702HR810,811 VRS-CY1JB184D J AA 180 kohms,1/16WR814,815 VRS-CY1JB392D J

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONMD-MS701H/MS702H239 PSPAZ0532AFZZ J AC Spacer Mechanism240 PSHET0375AFZZ J AB Sheet,

MD-MS701H/MS702H– 5 –Even if the maximum recordingtime of a MiniDisc has not beenreached, “DISC FULL” or “TOCFULL” may be displayed.When the number of

MD-MS701H/MS702HABCDEFGH123456Figure 5 MD MECHANISM EXPLODED VIEW– 5 –127507365204233050988-18-3(SW902)5065015061113504252629151816505507510512513513

MD-MS701H/MS702HABCDEFGH123456Figure 6 CABINET EXPLODED VIEW– 6 –MD MechanismMS702H Only22021620921924721720360660120821120524621360360521521025160660

MD-MS701H/MS702HPACKING METHOD (FOR UK ONLY)UNIT HOLD OFFRemote HOLD CANCELControlSETTING POSITION OF SWITCHES AND KNOBS1. QCNMG0382AFZZ Connecting Co

MD-MS701H/MS702H– 6 – Checking the remainingamount of battery chargeThe remaining amount of battery charge isshown by the battery indicator (

MD-MS701H/MS702H– 7 –Error messages Meaning RemedyBATT EMPTYThe battery run down. Charge the rechargeable battery or replace the alkaline batteries (o

MD-MS701H/MS702H– 8 –1 Bottom Cabinet 1. Open the battery Lid. 8-12. Screw ... (A1) x62 Top Cabinet 1. Screw ... (

MD-MS701H/MS702H– 9 –REMOVING AND REINSTALLING THE MAIN PARTSRemove the mechanism according to the disassembling meth-ods 1 to 3. (See Page 8.)How to