Fostex-FD8-dm-sm维修电路原理图.pdf

FD-8Service ManualModelDIGITAL MULTITRACKERRadioFans.CN 收音机爱 好者资料库SAFETY INSTRUCTIONSRead instructions - All the safety and operating instruc-tions should be read before the appliance is operated.Retain instructions - The safety and operating instructionsshould be retained for future reference.Heed warnings - All warnings on the appliance and in theoperating instructions should be adhered to.Follow instructions - All operating and use instructionsshould be followed.Water and Moisture - The appliance should not be usednear water - for example, near a bathtub, washbowl,kitchen sink, laundry tub, in a wet basement, or near aswimming pool, and the like.Carts and Stands - The appliance should be used onlywith a cart or stand that is recommended by the manufac-turer.An appliance and cart combination should be moved withcare. Quick stops, excessive force, and uneven surfacesmay cause the appliance and cart combination to over-turn.Wall or Ceiling Mounting - The appliance should bemounted to a wall or ceiling only as recommended by themanufacturer.Ventilation - The appliance should be situated so that itslocation or position does not interfere with its proper ven-tilation. For example, the appliance should not be situ-ated on a bed, sofa, rug, or similar surface that may blockthe ventilation openings; or, placed in a built-in installa-tion, such as a bookcase or cabinet that may impede theflow of air through the ventilation openings.Heat - The appliance should be situated away from heatsources such as radiators, heat registers, stoves, or otherappliances (including amplifiers) that produce heat.Power Sources - The appliance should be connected to apower supply only of the type described in the operatinginstructions or as marked on the appliance.Grounding or Polarization - The precautions that shouldbe taken so that the grounding or polarization means ofan appliance is not defeated.Power Cord Protection - Power supply cords should berouted so that they are not likely to be walked on orpinched by items placed upon or against them, payingparticular attention to cords at plugs, convenience recep-tacles, and the point where they exit from the appliance.Cleaning - The appliance should be cleaned only as rec-ommended by the manufacturer.Nonuse Periods - The power cord of the appliance shouldbe unplugged from the outlet when left unused for a longperiod of time.Object and Liquid Entry - Care should be taken so thatobjects do not fall and liquids are not spilled into the en-closure through openings.Damage requiring Service - The appliance should be ser-viced by qualified service personnel when:A.B.C.D.E.Servicing - The user should not attempt to service the ap-pliance beyond that described in the operating instruc-tions. All other servicing should be referred to qualifiedservice personnel.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK).NO USER-SERVICEABLE PARTS INSIDE.TO PREVENT ELECTRIC SHOCK, MATCHWIDE BLADE OF PLUG TO WIDE SLOT,FULLY INSERT.POUR VITER LES CHOCS LECTRIQUES,INTRODUIRE LA LAME LA PLUS LARGE DELA FICHE DANS LA BORNE CORRE-SPONDANTE DE LA PRISE ET POUSSERJUSQU AU FOND.CAUTION:ATTENTION:The exclamation point within an equilateraltriangle is intended to alert the user to thepresence of important operating and mainte-nance (servicing) instructions in the literatureaccompanying the appliance.The lightening flash with arrowhead symbol,within an equilateral triangle, is intended toalert the user to the presence of uninsulated“dangerous voltage” within the products en-closure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.“WARNING”“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS-TURE.”1.2.3.4.5.6.7.8.The power supply cord or the plug has been damaged;orObjects have fallen, or liquid has been spilled into theappliance; orThe appliance has been exposed to rain; orThe appliance does not appear to operate normally orexhibits a marked changed in performance; orThe appliance has been dropped, or the enclosuredamaged.9.10.11.12.13.14.15.16.17.RadioFans.CN 收音机爱 好者资料库Parts marked with this sign are safety critical components. They must always be replaced with identicalcomponents. Refer to the Fostex Parts List and ensure exact replacement.CAUTIONTABLE OF CONTENTS1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . .3. SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . .4. SERVICE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5. ERROR CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6. INSTALLING 2.5 INTERNAL HARD DISK DRIVE . . . . . . . . .7. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . .8. CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Owners manual: 8288419100 (for export model): 8288420000 (for domestic model)Quick manual: 8288423100 (for export model): 8288424000 (for domestic model)Service mode, error code list, exploded view, PCB assembly, parts list and circuit diagrams are given in thismanual to assist the service technician in maintaining the Model FD-8.NOTESThe following accessories are supplied with FD-8 as the standard accessories.*Following is the packing material for the Model FD-8.*Carton, inner, FD-8: 8228719000Packing, side, L, FD-4/8: 8228440000Packing, side, R, FD-4/8: 8228441000FD-84711 121920233734FD-81. SPECIFICATIONSRECORD & REPRODUCERecording MediumExternal fixed / removable hard disk driveInternal 2.5” E-IDE hard disk drive (option)StandardSCSI-2 or betterSampling Frequency44.1 kHzQuantization16-bit linearEmphasisNot availableCompression / Expansion MethodA.D.A.C. (Advanced Digital Audio Acoustic Coding)Recording Time (mono track min.)MASTERING modeAbout 18 min. / 100 MB at maximumNORMAL modeAbout 72 min. / 100 MB at maximumRecording time will be limited up to 24 hours.Number of Tracks24 tracks (8 + 16 additional tracks)Number of recording tracks2 (8 when ADAT digital signal is input to DATA IN port)Number of simultaneous recording tracksDepending on characteristics of recording mediumNumber of simultaneous playback tracks8Recording FormatFDMS-3Recording ModeNORMAL mode (A.D.A.C., 8 + 16 tracks, default)MASTERING mode (linear recording, 8 + 16 tracks)BACKUP mode (for data archiving)ELECTRICAL (0 dBV = 1 V) MIXER SECTIONReference Input LevelMIC-50, -30 dBVImpedance20 k or moreLINE-10 dBVImpedance20 k or moreRECORDER IN-10 dBVImpedance20 k or moreAUX RTN-20 dBVImpedance8 k or moreDATA INConnectorSquare shape opticalFormatIEC consumer optical standard IEC 958 Part 3ALESIS Proprietary Multi Channel Optical Digital InterfaceReference Output LevelSTEREO-10 dBVLoad impedance10 k or moreAUX SEND-10 dBVLoad Impedance10 k or moreMONITOR-10 dBVLoad impedance10 k or moreHEADPHONE20 mW at maximum (Load: 16 )50 mW at maximum (Load: 50 )FD-85ELECTRICAL (continued)DATA OUTConnectorSquare shape opticalFormatIEC consumer optical standard IEC 958 Part 3ALESIS Proprietary Multi Channel Optical Digital InterfaceSCSI DATA input / outputConnectorD-SUB 25-pinProtocolSCSI-2, unbalanced transfer methodTransfer typeAsynchronousNumber of device to be connected2SCSI ID: 0 5Recording / reproducingSCSI ID: 6Data backupFader / Knob Position at Reference Input / OutputMASTER faderMONITOR knobINPUT faderOutput LevelINPUT (1 8) AUX SENDINPUT (1 8) MONITORFrequency ResponseINPUT (1 8) MONITOR20 20 kHz +1, -3 dB (INPUT: -50 dBV)20 20 kHz +1, -2 dB (INPUT: -10 dBV)INPUT (1 8) AUX SEND20 20 kHz +1, -2 dB (INPUT: -10 dBV)AUX RTN MONITOR OUT20 20 kHz +1, -2 dB (AUX RTN: -20 dBV)AUX RTN PHONES80 20 kHz +1, -2 dB (AUX RTN: -20 dBV, at 20 mW /16 output)EQ CharacteristicsHigh (12 kHz) & Low (80 Hz)+15 dB 3 dB at “+15” position -15 dB 3 dB at “-15” positionMid (200 Hz 5 kHz)+15 dB 3 dB at “+15” position -15 dB 3 dB at “-15” positionAt 8 9 position (AUX RTN : -20 dBV / 1 kHz, AUX RTNVR: MAX. Adjust master fader for -10 dBV output atSTEREO OUT.)At 2 5 position (AUX RTN : -20 dBV / 1 kHz, MONSEL: ST+MON, ST. Adjust MONITOR knob for -10 dBVoutput at MONITOR OUTPUT.)At 7 8 position (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0,PAN: L (R). Adjust input fader for -10 dBV output atSTEREO OUT.)-10 dBV +0, -2 dB (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0,PAN: L (R), AUX1, 2 VR: CH MAX, input fader: at 7 8position.)-10 dBV +1, -2 dB (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0,PAN: L (R), MON VR: MON MAX, MON PAN: L (R),input fader: at 7 8 position.)6FD-8ELECTRICAL (continued)S / NDistortionCrosstalk60 dB or more / 1 kHzClick NoisePower on / off-20 dBV p-p or lessOther switching-50 dBV p-p or lessMIDI ControllingOperation check should be executed using the test modewith connecting the MIDI IN and OUT terminal. RECORDER SECTIONFrequency Response20 20 kHz +1, -2 dBFull Scale Output Level (Ref: -12 dB)+2 dBV 1 dBDynamic Range88 dB or moreTotal Harmonic Distortion0.02 % or less (1 kHz, +2 dBV)Channel Separation80 dB or more (1 kHz, max. recording level)S / N88 dB or more (A-WTD.)Power ConsumptionJPN15 WOthers17 WSpecifications and appearance are subject to change without notice for product improvement.INPUTAUX RTN-40 dBV0 dBV0 dBV-10 dBV-10 dBVMONITORMONITORAUX SENDMONITORPHONES0 dBV0 dBV0 dBV0 dBV20 mW100 10 kHz100 10 kHz100 10 kHz100 10 kHz1 kHz0.05 % or less0.05 % or less0.05 % or less0.05 % or less0.10 % or lessLEVELLEVELINPUTOUTPUTDISTORTIONFREQ. RANGEINPUTINPUT 8Residual Noise-50 dBV-38 dBV-10 dBV+2 dBV-50 dBV-38 dBV-10 dBV+2 dBVVR: MINAUX SENDAUX SENDAUX SENDAUX SENDMONITORMONITORMONITORMONITORPHONES-10 dBV+2 dBV-10 dBV+2 dBV-10 dBV+2 dBV-10 dBV+2 dBV66 dB or more78 dB or more77 dB or more89 dB or more63 dB or more75 dB or more70 dB or more82 dB or more68 dB or more80 dB or more79 dB or more91 dB or more65 dB or more77 dB or more72 dB or more84 dB or more-75 dBV or lessLEVELLEVELUNWTD.AWTD.INPUTOUTPUTS / NFD-872. CONTROLS, INDICATORS & CONNECTORS0PAN1Rear PanelControl PanelFront Panel8FD-8Control Panel (Mixer Section)1. Input faders 1-82. Input select switchesINPUT SEL (INPUT/OFF/TRK)3. Panpot knobs PAN (L/R)4. Monitor panpot knobs PAN (MON L/MON R)5. Monitor level control knob MON (INPUT/TRK)6. Equalizer control knobsEQ (HIGH/MID GAIN & SHIFT/LOW)7. AUX send knobs AUX (AUX 1/AUX 2)8. AUX return knobs AUX RTN (1, 2)9. Monitor master knobMONITOR SECTION (MASTER)10. Monitor select switchSELECTOR (L/R, L/R+MON, MON)11. Master fader L/R12. Input level switches LEVEL (H/M/L)01FD-8913. Record track select keys RECORD TRACK (1/L,2/R, 3/L, 4/R, 5/L, 6/R, 7/L, 8/R)14. LCD15. Contrast adjustment knob16. Display indication select key DISP SEL17. Setup key SETUP18. Time Base select key TIME BASE SEL19. Execute/Yes key EXECUTE/YES20. Exit/No key EXIT/NO/ EJECT 21. Access LED ACCESS22. JOG dial JOG/ SHUTTLE 23. Fast forward button F FWD/ 24. Rewind button REWIND/ 25. Play button PLAY26. Stop button STOP27. Record button RECORD/ AUTO PUNCH 28. Shift key SHIFT 29. Vari Pitch key VARI PITCH/ P.EDIT 30. Auto Return/Auto Play mode on/off keyAUTO RTN/AUTO PLAY31. Locate key LOCATE/ LOC MEM 32. Hold/ key HOLD/ 33. Store key STORE34. Undo/Redo key UNDO/REDO35. Edit key EDIT36. Auto Return Start key AUTO RTN START/ PREVIEW 37. Auto Return End key AUTO RTN END/ PREVIEW 38. Auto Punch In key AUTO PUNCH IN/ PREVIEW 39. Auto Punch Out key AUTO PUNCH OUT/ PREVIEW 40. Clipboard In key CLIPBOARD IN/ PREVIEW 41. Clipboard Out key CLIPBOARD OUT/ PREVIEW 42. Scrub key SCRUBControl Panel (Recorder Section)10FD-8Front PanelRear Panel1. Monitor Out jacks MON OUT L, R (RCA pin)2. Stereo Out jacks ST. OUT L, R (RCA pin)3. AUX Send jacks 1, 2 AUX SEND 1, 2 (Phone)4. AUX Return jacks 1, 2 AUX RTN 1, 2 (Phone)5. Insert jacks 7, 8 INSERT 7, 8 (TRS Phone)6. Balanced input connectors 7, 8 INPUT 7, 8(Balanced XLR)7. Recorder in jacks L, R RECORDER IN L, R(RCA pin)1. Input jacks 1, 2, 3, 4, 5, 6, 7, 8 (Phone)2. Headphone jack PHONES (TRS Phone)8. MIDI OUT jack MIDI OUT (DIN 5-pin)9. MIDI IN jack MIDI IN (DIN 5-pin)10. Punch in/out jack PUNCH IN/OUT (Phone)11. Data output jack DATA OUT (OPTICAL)12. Data input jack DATA IN (OPTICAL)13. SCSI connector SCSI (D-SUB 25-pin)14. AC IN connector15. Power switch POWERFD-8113. SOFTWARE UPDATESame as the FD-4, the FD-8 software can be updated through the SCSI port. This means that unscrewing and opening up theFD-8 top panel is not necessary to change the EPROMs. Please refer to the following explanation for correct softwareupdating procedures.Updated software in a removable medium (e.g. floppy disk, zip disk, etc.) to be sent via airmailUpdated software as an attachment file to be sent via E-mailThere are two ways of sending the FD-8 updated software.3-1. Method of Sending Software from Fostex Japan1.2.3-2. Required ToolsIBM PC/AT compatible computer with SCSI boardRemovable type SCSI driveCable between the removable type SCSI drive and the SCSI boardCable between the removable type SCSI drive and the FD-8 (D-SUB 25-pin)The following tools/equipment are required to update the FD-8 software.3-3. Software Updating ProceduresConnect the removable type SCSI drive to the IBM PC/AT compatible computer SCSI port.Insert the diskette to the removable type SCSI drive and format it by the computer on which Windows 95/98 is running.Copy the updated software file to the removable type SCSI drive (diskette).Set the removable type SCSI drive ID to 0 5 and connect to the FD-8 SCSI port.Insert the diskette with updated software file. The FD-8 LCD display shows “No Disk”, “Initial.”, “name of drive (e.g.ZIP 100)” and “FD8MOT” in order and comes to a standstill at the display below. Memorize the displayed ROM versionand date before updating the software.Presuming that the updated software is correctly sent and is copied into your computer.Pressing the EXECUTE/YES key would start updating the software. The display shows “Loading!”, “Writing!” and“Initial.” in order and automatically returns to the above condition again. Check the displayed ROM version and date ifthe software is correctly updated by comparing to the ones displayed in the above procedure 7.Eject the diskette with updated software file by the press of STOP or EXIT/NO key and insert the diskette formatted bythe FD-8.Confirm the software version by the Service Mode. For details, please refer to the section “4-2. Flash ROM/CPU version”.CAUTION:The diskette in which the updated software file is copied must be formatted by IBM PC/AT computer, not by Macintosh.If something wrong happens while updating the software (e.g. A blackout occurred while updating the software.), theFD-8 might not be able to boot up the system software inside the Flash ROM. In such a case, please refer to the section“4-8. Flash ROM” (page 17).The SCSI ID to be connected to the FD-8 must be selected to 0 5. The SCSI ID “6” is used for backing up purposeexclusively. The SCSI ID “7” cannot be used