Fostex-FD4-dm-sm维修电路原理图.pdf

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1、FD-4 Service Manual Model DIGITAL MULTITRACKER RadioFans.CN 收音机爱 好者资料库 SAFETY INSTRUCTIONS Read instructions - All the safety and operating instruc- tions should be read before the appliance is operated. Retain instructions - The safety and operating instructions should be retained for future refere

2、nce. Heed warnings - All warnings on the appliance and in the operating instructions should be adhered to. Follow instructions - All operating and use instructions should be followed. Water and Moisture - The appliance should not be used near water - for example, near a bathtub, washbowl, kitchen si

3、nk, laundry tub, in a wet basement, or near a swimming pool, and the like. Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufac- turer. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfac

4、es may cause the appliance and cart combination to over- turn. Wall or Ceiling Mounting - The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation - The appliance should be situated so that its location or position does not interfere with its proper v

5、en- tilation. For example, the appliance should not be situ- ated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or, placed in a built-in installa- tion, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat - The appli

6、ance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat. Power Sources - The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the app

7、liance. Grounding or Polarization - The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated. Power Cord Protection - Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against the

8、m, paying particular 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 should be unplugged from the outlet wh

9、en left unused for a long period of time. Object and Liquid Entry - Care should be taken so that objects 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. Se

10、rvicing - 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 qualified service personnel. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE

11、 THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SOLT, FULLY INSERT. POUR VITER LES CHOCS LECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE- SPONDANTE DE LA PRISE ET PO

12、USSER JUSQU AU FOND. CAUTION: ATTENTION: The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte- nance (servicing) instructions in the literature accompanying the appliance. The lightening flash with arrowhead symbol, with

13、in an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products en- closure that may be of sufficient magnitude to constitute a risk of electric shock to persons. “WARNING” “TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE T

14、HIS APPLIANCE TO RAIN OR MOIS- TURE.” 1. 2. 3. 4. 5. 6. 7. 8. The power supply cord or the plug has been damaged; or Objects have fallen, or liquid has been spilled into the appliance; or The appliance has been exposed to rain; or The appliance does not appear to operate normally or exhibits a marke

15、d changed in performance; or The appliance has been dropped, or the enclosure damaged. 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 identical components. Refer to the Fostex Parts List and ens

16、ure exact replacement. CAUTION TABLE OF CONTENTS 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . . 3. SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. SERVICE MODE . . . . . . .

17、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. ERROR CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. INSTALLING 2.5 INTERNAL HARD DISK DRIVE . . . . . . . . . 7. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . . 8. CIRCUIT DIAGRAMS . . . . . . . . . . . .

18、 . . . . . . . . . . . . . . . . . Owners manual: 8288414100 (for export model) : 8288415000 (for domestic model) Service mode, error code list, explode view, PCB assembly, parts list and circuit diagrams are given in this manual to assist the service technician in maintaining the Model FD-4. NOTES

19、The following accessories are supplied with FD-4 as the standard accessories.* * Following is the packing material for the Model FD-4.* Carton, inner, FD-4: 8228716000 Packing, side, L, FD-4: 8228440000 Packing, side, R, FD-4: 8228441000 FD-4 4 7 11 12 19 20 24 41 ! FD-4 3 RadioFans.CN 收音机爱 好者资料库 4

20、FD-4 1. SPECIFICATIONS RECORD & REPRODUCE Recording MediumExternal fixed / removable hard disk drive StandardSCSI-2 or better Sampling Frequency32 kHz, 44.1 kHz Quantization12-bit nonlinear, 16-bit linear EmphasisNot available Recording Time (mono track min.) Fs: 32 kHzAbout 33 min. / 100 MB (up to

21、24 hours) at maximum Fs: 44.1 kHzAbout 18 min. / 100 MB (up to 24 hours) at maximum Number of Tracks NORMAL / MASTERING MODE 16 (4 + 2 additional tracks) MASTERING MODE 24 Number of simultaneous recording tracks2 Number of simultaneous playback tracks4 Number of tracks to be pasted at a time6 Record

22、ing FormatFDMS-3 Recording ModeNORMAL MODE (Fs: 32 kHz, 4 + 2 tracks, default) MASTERING MODE 1 (Fs: 44.1 kHz, 4 + 2 tracks) MASTERING MODE 2 (Fs: 44.1 kHz, 4 tracks) ELECTRICAL (0 dBV = 1 V) MIXER SECTION Reference Input Level MIC-50, -30 dBV Impedance20 k or more LINE-10 dBV Impedance20 k or more

23、RECORDER IN-10 dBV Impedance20 k or more AUX RTN-20 dBV Impedance8 k or more DATA IN ConnectorSquare shape optical FormatIEC consumer optical standard IEC 958 Part 3 Reference Output Level STEREO-10 dBV Load impedance10 k or more AUX SEND-10 dBV Load Impedance10 k or more MONITOR-10 dBV Load impedan

24、ce10 k or more HEADPHONE20 mW at maximum (Load: 16 ) 50 mW at maximum (Load: 50 ) DATA OUT ConnectorSquare shape optical FormatIEC consumer optical standard IEC 958 Part 3 RadioFans.CN 收音机爱 好者资料库 FD-4 5 ELECTRICAL (continued) SCSI DATA input / output ConnectorD-SUB 25-pin ProtocolSCSI-2, unbalanced

25、transfer method Transfer typeAsynchronous Number of device to be connected1 Fader / Knob Position at Reference Input / Output MASTER faderAt 8 9 position (AUX RTN : -20 dBV / 1 kHz, AUX RTN VR: MAX. Adjust master fader for -10 dBV output at STEREO OUT.) MONITOR knobAdjust MONITOR knob for -10 dBV ou

26、tput at MONITOR OUTPUT. (MON SEL: ST+MON, MON) INPUT faderAt 7 8 position (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0, PAN: L (R). Adjust input fader for -10 dBV output at STEREO OUT.) Output Level INPUT (1 4) AUX SEND-10 dBV +0, -2 dB (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0, PAN: L (R), AUX1, 2 VR: CH MAX, inp

27、ut fader: at 7 8 position.) INPUT (1 4) MONITOR-10 dBV 1 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.) Frequency Response INPUT (1 4) MONITOR20 20 kHz +1, -3 dB (INPUT: -50 dBV) 20 20 kHz +1, -2 dB (INPUT: -10 dBV) INPUT (1 4) AUX

28、 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 ) EQ Characteristics High (12 kHz) & Low (80 Hz)+15 dB 3 dB at “+15” position -15 dB 3 dB at “-15” position Mid (200 Hz 5 kHz)+15 dB

29、3 dB at “+15” position -15 dB 3 dB at “-15” position S / N INPUT INPUT 4 Residual Noise -50 dBV -38 dBV -10 dBV +2 dBV -50 dBV -38 dBV -10 dBV +2 dBV VR MIN AUX SEND AUX SEND AUX SEND AUX SEND MONITOR MONITOR MONITOR MONITOR PHONES -10 dBV +2 dBV -10 dBV +2 dBV -10 dBV +2 dBV -10 dBV +2 dBV 66 dB or

30、 more 78 dB or more 80 dB or more 92 dB or more 63 dB or more 75 dB or more 73 dB or more 85 dB or more 68 dB or more 80 dB or more 82 dB or more 94 dB or more 65 dB or more 77 dB or more 75 dB or more 87 dB or more -75 dBV or less LEVELLEVELUNWTD.AWTD. INPUTOUTPUTS / N RadioFans.CN 收音机爱 好者资料库 6 FD-

31、4 ELECTRICAL (continued) Distortion Crosstalk60 dB or more / 1 kHz Click Noise Power on / off-20 dBV p-p or less Other switching-50 dBV p-p or less MIDI ControllingOperation check should be executed using the test mode with connecting the MIDI IN and OUT terminal. RECORDER SECTION Frequency Response

32、 Fs: 44.1 kHz20 20 kHz +1, -2 dB Fs: 32 kHz20 14.5 kHz +1, -2 dB Full Scale Output Level (Ref: -12dB)+2 dBV 1 dB (Fs: 32 kHz / 44.1 kHz) Dynamic Range88 dB or more (Fs: 32 kHz / 44.1 kHz) Total Harmonic Distortion Fs: 44.1 kHz0.02 % or less Fs: 32 kHz0.08 % or less Channel Separation80 dB or more /

33、1 kHz at max. recording level (Fs: 32 kHz / 44.1 kHz) S / N88 dB or more (A-WTD., Fs: 32 kHz / 44.1 kHz) Power Consumption JPN13 W +5, -20 % Others15 W +5, -20 % Specifications and appearance are subject to change without notice for product improvement. INPUT AUX RTN -40 dBV 0 dBV 0 dBV -10 dBV -10

34、dBV MONITOR MONITOR AUX SEND MONITOR PHONES 0 dBV 0 dBV 0 dBV 0 dBV 20 mW 100 10 kHz 100 10 kHz 100 10 kHz 100 10 kHz 1 kHz 0.05 % or less 0.05 % or less 0.05 % or less 0.05 % or less 0.10 % or less LEVELLEVELUNWTD.AWTD. INPUTOUTPUTS / N RadioFans.CN 收音机爱 好者资料库 FD-4 7 2. CONTROLS, INDICATORS & CONNE

35、CTORS 4321 INPUT 3 R MON OUT LR ST OUT L AUX RTN 1 RMONO/L AUX RTN 2 RMONO/L2 AUX SEND 14 INSERT 3 INPUT 4 SCSIOUTIN DATA R RECORDER IN LIN MIDI OUT PUNCH IN/OUT DATAMIDI POWER Rear Panel Control Panel Front Panel MON LMON RMON LMON RMON LMON RMON LMON R 0000 0000 0 0 0 0 0 0 0 0 00 00 UNDO/ PUNCH A

36、UTO LEVELLEVEL MASTER 010 2 010 1 010 SELECTOR PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK4INPUT RL PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK3INPUT RL PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK2INPUT RL PAN LOW HIGH 2k 900 300 GAIN MID SHIFT AUX1 - - 200 - AUX2 + + 5k + TRK1INPUT 0 10

37、 5 L/R+MON L/R MON OFF INPUT TRK 4 OFF INPUT TRK 3 OFF INPUT TRK 2 OFF PITCH VARI MID RL SHIFT 4/R3/L2/R SELDISP SEL RL DIGITAL MULTITRACKER 1/L INPUT TRK 1 CLIPBOARD PLAY LOCATE ABS 0 LOCATE REC END F FWD/REWIND/PLAYSTOPRECORD REDOEDIT STARTINOUT AUTO PLAY EXECUTE /YES EXIT /NO HOLD/STORE ENDINOUT

38、PGM SEL AUTO RTN SETUP H M L H M L TIME BASE ACCESS 2k 900 300 SHIFT 2005k MID 2k 900 300 SHIFT 2005k MID 2k 900 300 SHIFT 2005k MID AUXAUXAUXAUXAUX RTN EQEQ EQEQ MONMONMONMON PANPANPANPAN INPUT SELINPUT SELINPUT SELINPUT SEL 1234L/R MON SECTION CLIPBOARDAUTO PUNCH AUTO RTN ADD. TRACK PREVIEW RECORD

39、 TRACK P. EDIT SHUTTLEJOG EJECT LOC MEM LOCATE 0 10 5 0 10 5 0 10 5 0 10 5 RadioFans.CN 收音机爱 好者资料库 8 FD-4 Control Panel (Mixer Section) MON LMON RMON LMON RMON LMON RMON LMON R 0000 0000 0 0 0 0 0 0 0 0 00 00 LEVELLEVEL MASTER 010 2 010 1 010 SELECTOR PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK4

40、INPUT RL PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK3INPUT RL PAN LOW HIGH GAIN MID AUX1 - - - AUX2 + + + TRK2INPUT RL PAN LOW HIGH 2k 900 300 GAIN MID SHIFT AUX1 - - 200 - AUX2 + + 5k + TRK1INPUT 0 10 5 L/R+MON L/R MON OFF INPUT TRK 4 OFF INPUT TRK 3 OFF INPUT TRK 2 OFF MID RL INPUT TRK 1 H M L

41、 H M L 2k 900 300 SHIFT 2005k MID 2k 900 300 SHIFT 2005k MID 2k 900 300 SHIFT 2005k MID AUXAUXAUXAUXAUX RTN EQEQ EQEQ MONMONMONMON PANPANPANPAN INPUT SELINPUT SELINPUT SELINPUT SEL 1234L/R MON SECTION 0 10 5 0 10 5 0 10 5 0 10 5 1. Input faders 1-4 2. Input select switches INPUT SEL (INPUT/OFF/TRK)

42、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 knobs EQ (HIGH/MID/LOW) 7. AUX send knobs AUX (AUX 1/AUX 2) 8. AUX return knobs AUX RTN (1, 2) 9. Monitor master knob MONITOR SECTION (MASTER) 10. Monitor select swi

43、tch SELECTOR (L/R, L/R+MON, MON) 11. Master fader L/R 12. Input level switches LEVEL (H/M/L) 1 2 3 4 5 7 6 8 9 10 11 1212 RadioFans.CN 收音机爱 好者资料库 FD-4 9 13. Record track select keys RECORD TRACK (1/L, 2/R, 3/L, 4/R, L, R) 14. LCD 15. Contrast adjustment knob 16. Display indication select key 17. Set

44、up key SETUP 18. Time Base select key 19. Execute/Yes key EXECUTE/YES 20. Exit/No key EXIT/NO/ EJECT 21. Access LED ACCESS 22. JOG dial JOG/ SHUTTLE 23. Fast forward button F FWD/ 24. Rewind button REWIND/ 25. Play button PLAY 26. Stop button STOP 27. Record button RECORD/ AUTO PUNCH 28. Shift key S

45、HIFT 29. Vari Pitch key VARI PITCH/ P.EDIT 30. Auto Return/Auto Play mode on/off key AUTO RTN/AUTO PLAY 31. Locate key LOCATE/ LOC MEM 32. Hold/ key HOLD/ 33. Store key STORE 34. Undo/Redo key UNDO/REDO 35. Edit key EDIT 36. Auto Return Start key AUTO RTN START/ PREVIEW 37. Auto Return End key AUTO

46、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 26 27 28 29 30 31 32 35 33 34 36 38 39 37 13 14 41 40 15 16 17 18 19 20 21 22 23 24 25 Control Panel (R

47、ecorder Section) UNDO/ PUNCH AUTO PITCH VARI RL SHIFT 4/R3/L2/R SELDISP SEL DIGITAL MULTITRACKER 1/L CLIPBOARD PLAY LOCATE ABS 0 LOCATE REC END F FWD/REWIND/PLAYSTOPRECORD REDOEDIT STARTINOUT AUTO PLAY EXECUTE /YES EXIT /NO HOLD/STORE ENDINOUT PGM SEL AUTO RTN SETUP TIME BASE ACCESS CLIPBOARDAUTO PU

48、NCH AUTO RTN ADD. TRACK PREVIEW RECORD TRACK P. EDIT SHUTTLEJOG EJECT LOC MEM LOCATE RadioFans.CN 收音机爱 好者资料库 10 FD-4 Front Panel Rear Panel 1. 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

49、 RTN 1, 2 (Phone) 5. Insert jacks 3, 4 INSERT 3, 4 (TRS Phone) 6. Balanced input connectors 3, 4 INPUT 3, 4 (Balanced XLR) 7. Recorder in jacks L, R RECORDER IN L, R (RCA pin) 1. Input jacks 1, 2, 3, 4 (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. Power cable 15. Power