Fostex-D824-dr-sm维修电路原理图.pdf

Service ManualModel16TRACK DIGITAL RECORDER8TRACK DIGITAL RECORDER&MODEL 8345 TC/SYNC CARDMODEL 5042 / 5043 BALANCE I/O CARDMODEL 8350 AES/EBU CARDRadioFans.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3D1624 / D824Parts 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 CONTENTSD1624 / D824 English owners manual: 8288461000D1624 / D824 Japanese owners manual : 8288462000D1624 / D824 English quick guide: 8288463000D1624 / D824 Japanese quick guide: 8288464000Service mode, exploded view, PCB assembly, parts list and circuit diagrams are given in this manualto assist the service technician in maintaining the Model D1624 / D824.NOTESThe following accessories are supplied with D1624 / D824 as the standard accessories.*Following is the packing material for the Model D1624 / D824.*Carton, inner, D1624: 8228731000Carton, outer, D1624: 8228910000Carton, inner, D824: 8228736000Carton, outer, D824: 8228914000Packing, side, L, D1624 / D824: 8228430001Packing, side, R, D1624 / D824: 8228430002Packing, case, D1624 / D824: 8228435000!1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2. CONTROLS, INDICATORS & CONNECTORS . . . . . . . . . . . . . . .3. SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4. SERVICE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5. ERROR CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6. MODEL 8345/5042/5043/8350 INSTALLING PROCEDURES . . . . .7. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . . . . . . .8. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . .481112222330584D1624 / D8241. SPECIFICATIONSD824 / D1624INPUT & OUTPUTINPUT (1 8)ConnectorRCA pin jack (x 8)Input Level-10 dBVInput Impedance10 k or moreOUTPUT (D824: 1 8, D1624: 1 16)ConnectorRCA pin jack (x 8: D824, x 16: D1624)Output Level-10 dBVLoad Impedance10 k or moreDATA IN / OUT (D824: 1 8, D1624: 1 8 & 9 16)ConnectorSquare shape opticalFormatIEC consumer optical standard (IEC 60958 Part 3)Alesis Proprietary Multichannel Optical Digital Interface(ADAT format does not comply to 96 kHz sampling frequency.)MIDI IN / OUT / THRUConnectorDIN 5-pinFormatComply to MIDI standardWORD IN / OUTConnectorBNCLevelTTL levelREMOTE IN / THRUConnectorD-SUB 9-pinTransfer FormatRS-422ProtocolSony 9-pin (P2) protocol, ES busSCSIConnectorD-SUB 50-pin (half pitch)ProtocolSCSI-2, unbalanced transfer methodTransfer TypeAsynchronousNumber of Unit Connected1PUNCH IN / OUTConnector6 mm phone jackLevelCMOS (HIGH: 3.5 5 V, LOW: 0 1.5 V)RECORD & PLAYBACKRecording MediumInternal 3.5” E-IDE hard disk drive (optional)Backup MediumExternal fixed / removable SCSI-2 SCSI device (backup only)StandardSCSI-2 or betterSampling Frequency44.1 kHz, 48 kHz, 96 kHz (Switchable by Disk Format)Quantization16-bit linear, 24-bit linear (Switchable by Disk Format)A-to-D Converter24-bit delta-sigma 128 times over samplingD-to-A Converter24-bit delta-sigma 128 times over samplingRecording FormatFDMS-3 Version 2EmphasisNot availableRecording Time (mono track min.)About 18 min. / 100 MB at maximum (at 44.1 kHz)Number of Tracks24 tracks (D824: 8 + 16 additional tracks, D1624: 16 + 8 additional tracks)Number of Recording Tracks at a TimeD8248D162416 (when using DATA IN), 8 (Analog only or at 24-bit / 96 kHz)5D1624 / D824Number of playback tracks at a timeD8248D162416, 8 (at 24-bit / 96 kHz)No. of Programs99Pitch Control 6.0 % (0.1 % step)Crossfade10 msec (at 44.1 / 48 kHz), 5 msec (at 96 kHz)Overall Frequency Response20 20 kHz 1 dB (at 44.1 / 48 kHz)20 43 kHz 2 dB (at 96 kHz)Signal to Noise Ratio100 dB or more (between ADC and DAC, 24-bit)Dynamic Range100 dB or more (between ADC and DAC, 24-bit)T.H.D.0.01 % or less (at 1 kHz, -10 dBV, 24-bit)Channel Separation80 dB or more (at 1 kHz, 0 dB, 24-bit)Phase difference between channels20 or less (at 20 kHz)OPERATIONShuttle Speed8 steps (7 steps for FWD direction)CUE ON 1 8 times (FWD: 1 7 times)CUE OFF 1 64 timesFFWD / REW SpeedCUE ON 3 timesCUE OFF 32 timesDigital Scrubbing (JOG)0 1 times (Envelope can be displayed when selecting only one track.)Locate Memory6 (7 including LOCATE key temporary memory) + 99Level IndicationTypeFL BargraphNumber of Indicated Levels11 dots (-, -42, -30, -24, -18, -12, -9, -6, -3, 0, OVER)Reference Level (-10 dBV) Indication- 12 dBFull Scale Output Level+ 2 dBV 1 dBGENERALDimensions482 (W) x 148 (H) x 381 (D) mmWeight7.0 kgPower SupplyJPN100 V ACUSA / CND120 V ACEUR / UK230 V ACPower ConsumptionD824Approx. 30 WD1624Approx. 35 WStandard EnvironmentStandard Temperature20 2 CStandard Humidity65 5 %ENVIRONMENT CONDITION (W/O HD)Characteristics GuaranteedTemperature+ 5 + 40 CHumidity30 70 %AC voltage deviation 5 % or lessOperation GuaranteedTemperature0 + 45 CHumidity85 % or lessAC voltage deviation 10 % or less6D1624 / D8248345INPUT & OUTPUTTIME CODE INPUTFormatSMPTE/EBUConnectorXLR-3-31 type (Pin 1: GND, Pin 2: HOT, Pin 3: COLD)Standard Input Level2 V p-pMinimum Input Level0.25 V p-pInput Impedance20 k or moreTIME CODE OUTPUTFormatSMPTE/EBUConnectorXLR-3-32 type (Pin 1: GND, Pin 2: HOT, Pin 3: COLD)Standard Output Level2 V p-pMinimum Output Level0.25 V p-pLoad Impedance20 k or moreVIDEO INPUTFormatComposite (Applied video signal must comply to PAL or NTSCstandard and be interlace type.)ConnectorBNCFrame Pulse24, 25, 29.97, 30 Hz ( 1000 ppm)Field Pulse48, 50, 59.94, 60 Hz ( 1000 ppm)Standard Input Level1 V p-pInput Impedance75 (ON / OFF by terminator SW)VIDEO THRUConnectorBNCOutput LevelDirect output of signal fed to Video Input connectorWORD INPUTConnectorBNCFrequency44.1 kHz, 48 kHzStandard Input LevelTTL levelInput Impedance75 (ON / OFF by terminator SW)WORD OUTPUTConnectorBNCStandard Output LevelTTL levelLoad Impedance75 GENERALDimensions215 (W) x 80 (D) mmPower SupplySupplied from main unitDigitalDC + 5 VAnalogDC + 19 V / - 15 V7D1624 / D8245042 / 5043INPUT & OUTPUTINPUT (1 8)ConnectorD-SUB 25-pinStandard Input Level+ 4 dBuInput Impedance10 k or moreOUTPUT (1 8)ConnectorD-SUB 25-pinOutput Level+ 4 dBuLoad Impedance600 or moreOUTPUT (9 16, Model 5043 only)ConnectorD-SUB 25-pinOutput Level+ 4 dBuLoad Impedance600 or moreGENERALDIMENSIONS270 (W) x 70 (D) mmPOWER SUPPLYDC + 15 V (Supplied from main unit)8350ConnectorD-SUB 25-pinFormatIEC958 PART 3 (AES/EBU)Pin assignmentIndicated belowRecommended cableAES/EBU digital audio transfer cable from Hosa Technology Inc.DBK-258 (DB-25 (male) 4 x XLR (male) & 4 x XLR (female)1311425 D-SUB 25-pin Assignment (Seen from rear panel side)SIGNALInput 1/2Input 3/4Input 5/6Input 7/8Output 1/2Output 3/4Output 5/6Output 7/8HOT12345678COLD1415161718192021Frame GND10, 12, 13, 22,23, 24, 25Open9, 118D1624 / D8242. CONTROLS, INDICATORS & CONNECTORSFront Panel Section: Main Unit (D1624 / D824)1. Detachable Controller connector2. Controller mounter3. Removable hard disk cartridge slot4. Lock/Unlock key5. Hard disk power LED6. Access LED7. Power switch1. Controller Connection Cable2. Record Track Select / Envelope key3. Track Shift / All Input key4. Auto Play/Auto Return key5. Clipboard In / Preview key6. Clipboard Out / Preview key7. Auto Return Start / Preview key8. Auto Punch In / Preview key9. Auto Punch Out / Preview key10. Auto Return End / Preview key11. Display Select key12. Program select key13. Store key14. Exit/No / Eject key15. Execute/Yes / Chase key16. Recall key17. NEXT key18. Previous key19. Jog/Shuttle dial20. Vari-pitch / Pitch Edit key21. Fast Forward key22. Locate key23. Rewind key24. Undo/Redo / Multi Undo key25. Play key26. Setup / TC Generator Setup key27. Stop key28. Edit / TC Ready key29. Record / All Ready key30. Auto Punch Mode On/Off key31. Shift key32. TC ready LED33. Access LED34. All Input LED35. Punch In/Out jack36. Meter displayFront Panel Section: Controller (D1624 / D824)12342567123456 7 891011121314 151617181921232527293120222426283032333435369D1624 / D824Rear Panel Section (D824)Rear Panel Section (D1624)1. Panel A for an optional card2. Panel B for an optional card3. WORD IN terminating switch4. WORD INPUT connector BNC5. WORD OUTPUT connector BNC6. MIDI Input/Output/Thru connector7. AC IN connector8. REMOTE THRU connector9. REMOTE INPUT terminating switch10. REMOTE INPUT connector11. SCSI connector half-pitch 50-pin12. Digital/Data Output connector OPTICAL13. Digital/Data Input connector OPTICAL14. Analog Output jack RCA pin15. Analog Input jack RCA pin100 ONOFFCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS:RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIRWARNING:TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.REMOTETHRUMIDIINPUTOUTPUTTHRUINPUTOFFONWORDOUTPUTINPUTSCSI8 - 116 - 98 - 116 - 9OUTPUTINPUTDIGITAL/DATAAC INANALOG OUTPUTANALOG INPUT5167823413514151667891101112234OPTICAL751223 456789101112131415REMOTETHRUMIDIINPUTOUTPUTTHRUAC ININPUTOUTPUTWORDONOFF43ANALOG INPUT28761543ANALOG OUTPUT287615OUTPUTINPUTSCSIDIGITAL/DATA100 ONOFFOPTICALCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS:RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIRWARNING:TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.751223 45678910111213141510D1624 / D824Rear Panel Section (D824 with Model 5042, 8345 and 8350)Rear Panel Section (D1624 with Model 5043 and 8345) MODEL 5043 1. Balanced input connector2. Balanced output connector (9 - 16)3. Balanced output connector (1 - 8) MODEL 83454. Video input terminating switch5. Video input connector6. Video thru connector7. Word input terminating switch8. Word input connector9. Word output connector10. Time code input connector11. Time code output connector MODEL 5042 1. Balanced input connector2. Balanced output connector MODEL 8350 3. Digital input & output connector MODEL 8345 4. Video input terminating switch5. Video input connector6. Video thru connector7. Word input terminating switch8. Word input connector9. Word output connector10. Time code input connector11. Time code output connectorREMOTETHRUMIDIINPUTOUTPUTTHRUAC ININPUTOUTPUTWORD75ONOFF43ANALOG INPUT28761543ANALOG OUTPUT287615OUTPUTINPUTSCSIDIGITAL/DATA100 ONOFFOPTICALCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS:RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIRWARNING:TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.INPUTOUTPUTINPUTTHRUVIDEO75ONOFF+4dBu INPUTANALOG BALANCE I/O+4dBu OUTPUTTIME CODE321COLDGNDHOT8-1 I/OAES/EBU1234 598107611100 ONOFFCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS:RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIRWARNING:TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.REMOTETHRUMIDIINPUTOUTPUTTHRUINPUTOFFON75WORDOUTPUTINPUTSCSI8 - 116 - 98 - 116 - 9OUTPUTINPUTDIGITAL/DATAAC INANALOG OUTPUTANALOG INPUT