Fostex-MR16HD-dmt-sm维修电路原理图.pdf

《Fostex-MR16HD-dmt-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Fostex-MR16HD-dmt-sm维修电路原理图.pdf（68页珍藏版）》请在收音机爱好者资料库上搜索。

1、Service ManualDIGITAL MULTITRACKERRadioFans.CN 收音机爱 好者资料库Read Instructions - All the safety and operating instructions should be read before the appliance is operated.Retain Instructions - The safety and operating instructions should be retained for future reference.Heed Warnings - All warnings on t

2、he 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 sink, laundry tub, in a wet basement, or n

3、ear 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 manufacturer.1.2.3.4.5.6.or pinched by items placed upon or against them, payingparticular attention to cords at plugs, convenience receptacles, and the point where

4、they exit from the appliance.Cleaning - The appliance should be cleaned only as recommended by the manufacturer.Nonuse Periods - The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time.Object and Liquid Entry - Care should be taken so that objec

5、ts do not fall and liquids are not spilled into the enclosure through openings.Damage Requiring Service - The appliance should be serviced by qualified service personnel when:13.14.15.16.The power supply cord or the plug has been damaged; orObjects have fallen, or liquid has been spilled into the ap

6、pliance;orThe appliance has been exposed to rain; orThe appliance does not appear to operate normally or exhibits a marked change in performance; orThe appliance has been dropped, or the enclosure damaged.A.B.C.D.E.Servicing - The user should not attempt to service the appliance beyond that describe

7、d in the operating instructions. All other servicing should be referred to qualified service personnel.The appliance should be situated away from drops of water or spray of water.Objects containing liquid such as vase must not be put on the appliance.The appliance is not completely isolated from the

8、 power supply even if the power switch is at off position.Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus.Only use attachments/accessories specified by the manufacturer.An appliance with a protective earth te

9、rminal should be connected to mains outlet with a protective earth connection.An appliance should be placed in a position where an AC plug / inlet can be easily pulled out by hand.Main plug is used as the disconnection device. It shall remain readily operable and should not be obstructed during inte

10、nded use. To be completely disconnected the apparatus from supply mains, the main plug of the apparatus shall be disconnected from the mains socket outlet completely. 17.18.19.20.21.22.23.24.25.An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surf

11、aces may cause the appliance and cart combination to overturn.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 ven

12、tilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or, place in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.Heat - The appliance shoul

13、d 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 appliance.Grou

14、nding 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 7.8.9.10.11.12.WARNINGTO REDUCE THE RISK OF FIRE OR ELECTRI

15、C SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.SAFETY INSTRUCTIONSCAUTIONCAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK).NO USER - SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.RISK OF ELECTRIC SHOCKDO NOT OPENThe lighting flash with a

16、rrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.The exclamation point within an equilateral triangle is

17、intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.CAUTION:TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.ATTENTION:POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LA

18、ME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND.RadioFans.CN 收音机爱 好者资料库3 & Service Manual Parts marked with this sign are safety critical components. They must always be replaced with identical components. Refer to the Fostex Parts List and ensure exact

19、 replacement.CAUTIONTABLE OF CONTENTSNOTES* PCB assembly, parts list and circuit diagrams are given in this manual to assist the service technician in maintaining the Model MR16HD and MR16HD/CD. To make it simple, MR16HD and MR16HD/CD are just descried as MR16 hereafter in this manual. If a distinct

20、ion is required between the two, the model number MR16HD and MR16HD/CD are described.* The following accessories are supplied with MR-16HD, MR-16HD/CD as the standard accessories. Owners manual, MR-16HD, ENG : 8588088000 (452186) Owners manual, MR-16HD, JPN : 8588089000 (452188) Owners manual supple

21、ment, MR-16HD, ENG : 8588093000 (456636) Owners manual supplement, MR-16HD/CD, ENG : 8588095000 (456638) Owners manual supplement, MR-16HD, JPN : 8588094000 (456637) Owners manual supplement, MR-16HD/CD, JPN : 8588096000 (456639)* The following is the packing material for MR-16HD/CD. Carton, inner,

22、MR-16HD : 8528101000 (452153) Poly, Form, L, MR-16HD : 8528099000 (452151) Poly, Form, R, MR-16HD : 8528100000 (452152)1.2.3.4.5.6.7.8.47101622244966SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CONTROLS, INDICATORS & CONN

23、ECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERVICE MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24、 . . . . . . . MR16HD & MR16HD/CD PCB CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . .EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ERROR

25、 CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 & Service Manual1. SPECIFICATIONS SPECIFICATION UNIT 0 dBV = 1.0 Vrms, 0 dBu = 0.775 Vrms REFERENCE LEVEL 12 dB below full scale level ANALOG IN (A D) Connector XLR-3-31 type (P

26、in-1: GND, Pin-2: Hot, Pin-3: COLD) / 6 mm TRS phone balanced (Inserting TRS phone jack breaks signal fed to XLR connector.) Input Level - 48 dBu (MIC) + 4 dBu (LINE) Input Impedance 1.5 k or more 400 k or more (INPUT SW: GTR) Reference Input Level LINE + 4 dBu MIC - 48 dBu Phantom - 48 V, On/Off sw

27、itchable by MENU setting. Fed to XLR connector only. INSERT (A) Connector 6 mm TRS phone (Tip: output, Ring: Input, Sleeve: GND) Load Impedance 10 k or more Reference Output Level - 10 dBV Input Impedance 10 k or more Reference Input Level - 10 dBV STEREO OUT (L, R) Connector 6 mm phone Reference Ou

28、tput Level - 10 dBV (Unbalanced) Load Impedance 10 k or more AUX OUT (x 2) Connector 6 mm phone Reference Output Level - 10 dBV (Unbalanced) Load Impedance 10 k or more PHONES (x 2) Connector 6 mm STEREO phone Load Impedance 16 or more Maximum Output Level 50 mW or more at 32 MIDI OUT Connector DIN

29、5-pin Format MIDI Standard FOOT SW Connector 6 mm phone ON/OFF Level TTL Level Type Unlatched type S/P DIF OUT Connector Optical Format IEC60958 (S/P DIF)5 & Service Manual USB Device USB 1.1. USB logo certifi cate not acquired. Connecting a USB key board and a storage device for fi le transfer is p

30、ossible. Connector A type USB Device USB 2.0 high speed. USB logo certifi cate not acquired. File transfer be tween PC and MR16 is possible. Format B type1234VBUSD -D +GNDDATA2134 Record & Playback Medium Internal 3.5” HD Sampling Frequency 44.1 kHz Resolution 16 bits linear File System FAT-32 Numbe

31、r of Track 16 A/D & D/A Converter A/D 24 bits delta-sigma, Cirrus Logic CS5331 D/A 24 bits delta-sigma, Cirrus Logic CS4345 Fader 256 steps, 30 mm CD-R/RW Drive Accession No. 0221205 Maximum Output Level ST OUT + 2 dBV 1 dB (full scale level) AUX OUT + 2 dBV 1 dB (full scale level) PHONES 50 mW or m

32、ore (32 load, 1 kHz) Reference Output Level ST OUT - 10 dBV 4 dB (Fader fi xed at standard position (0 dB), 1 kHz) AUX OUT - 10 dBV 4 dB (Fader fi xed at standard position (0 dB), 1 kHz) Frequency Response ST OUT 20 Hz 20 kHz + 2 dB, - 3 dB (MIC/LINE) AUX OUT 20 Hz 20 kHz + 2 dB, - 3 dB (MIC/LINE) P

33、HONES 50 Hz 15 kHz + 2 dB, - 3 dB (50 mW, 32 load) T.H.D. MIC - ST OUT 0.1 % or less (Full scale level - 2 dB, 1 kHz) LINE - ST OUT 0.1 % or less (Full scale level - 2 dB, 1 kHz) LINE - PHONES 0.1 % or less (50 mW, 32 load, 1 kHz) Dynamic Range 89 dB or more S/N LINE 89 dB or more (IHF A, input term

34、inated by 150 resistor.) MIC 80 dB or more (IHF A, input terminated by 150 resistor.)1234VBUSD -D +GNDDATA12346 & Service Manual Residual Noise LINE - 87 dBV or less (DIN, input terminated by 150 resistor.) MIC - 78 dBV or less (DIN, input terminated by 150 resistor.) PHONES - 85 dBV or less (DIN) C

35、rosstalk 65 dB or more (1 kHz) LINE (TRIM : MIN) 85 dB or more (1 kHz, full scale level is input to adjacent channel.) MIC (TRIM : MAX) 75 dB or more (1 kHz, full scale level is input to adjacent channel.) Click Noise Power On/Off - 20 dBVp-p or less (ST OUT) Others - 30 dBVp-p or less (ST OUT) Phan

36、tom Voltage + 48 2 V, On/Off on all channels at once by MENU setting. Dimensions 400 (W) x 85 (H) x 265 (D) mm (including protruding portion) Weight 3.3 kg Power JPN 100 V AC USA 120 V AC EUR/UK 230 V AC Power Consumption 14 W Usage Condition Horizontal, continuous operation Environmental Condition

37、Standard Temperature 20 2 C Standard humidity 65 5 % Characteristics Guaranteed Temperature + 5 C + 40 C Humidity 30 % 70 % Voltage deviation 5 % or less Operation Guaranteed Temperature + 5 C + 45 C Humidity 85 % or less Voltage deviation 10 % or less Vibration & Drop Tests Comply to Fostex Company

38、 technical standards Safety Standard IEC60065 Others EMI EN55011 Group 1 Class B EN61000-3-2 & 3-3 EMS EN61000-6-1 (Year 2001 version) Environment Response RoHS directive complianceSpecifi cations and physical appearance are subject to change without notice for product improvement.7 & Service Manual

39、2. CONTROLS, INDICATORS & CONNECTORS 1. INPUT A input connectors 2. INSERT connector 3. INPUT B, C, D input connectors 4. STEREO OUT jacks 5. AUX OUT jacks 6. PHONES jacks 7. PHONES VOL control 8. LCD display 9. POWER switch 10. MENU/ENTER rotary / push knob 11. MASTER fader 12. Track faders 13. REC

40、 SELECT keys 14. PAN controls 15. EFFECT SEND controls 16. INPUT EQ keys 17. TO STEREO BUSS keys TO STEREO BUSS LEVEL control 18. PEAK indicators 19. DISTORTION control 20. TRIM controlsPEAKGUITARMINDISTORTIONMAXLINEMICTRIMINSERT/GUITARUNBALBALBALBALBALINPUT AINPUT BINPUT CINPUT DVOLUMEMINMAXPEAKLIN

41、ETRIMMICUNBALPOWERUNBALMICTRIMLINEPEAKUNBALMICTRIMLINEPEAKMAXMIN1RL100SIMULATIONSIMULATIONAMPMIC010LR010LR23RL10048010LR76RL100RL100010LR5MAXMINMASTERREC SELECTRECORDSTOPPLAYREWINDF FWDUNDO/REDOSTORELOCATE REC ENDLOCATE ABS ZEROA-B PLAYBOUNCEMASTERINGBRIGHT15/16 STEREO WAV FILENATURALPOWERFULB / OUT

42、A / INPLAY MODEAUTO PUNCHLOCATEEFFECTDELAYPLATEHALLROOMBOUNCE MODECONTRASTTIMEBASE SELECTRHYTHM GUIDEDIRECT LOCATEEFFECT SENDPANINPUT EQTO STEREO BUSS LEVEL9/1011/1213/1415/16ABC1DEF2GHI3JKL4MNO5YZ9PQR6+-_0STU7VWX8DELETEMENU / ENTERMINMAXMINMAXREVERB / DELAY TIMELSTEREO OUTR1AUX OUT21PHONES2DYNAMICB

43、RIT STACKCONDENSERUS METALTUBE60S COMBOINPUT AINPUT BINPUT CINPUT D123 45 6 78910111213141516171819208 & Service Manual 21. REVERB/DELAY TIME control 22. EFFECT keys 23. BOUNCE MODE key 24. 15/16 STEREO WAV FILE key 25. MASTERING keys POWERFUL key NATURAL key BRIGHT key 26. STORE key 27. UNDO/REDO k

44、ey 28. TIME BASE SEL key 29. DIRECT LOCATE key 30. CONTRAST key 31. RHYTHM GUIDE key 32. Transport keys PLAY key STOP key RECORD key F FWD key REWIND key 33. LOCATE B/OUT key 34. LOCATE A/IN key 35. PLAY MODE key 36. AUTO PUNCH key 37. Insert effect selection keysPEAKGUITARMINDISTORTIONMAXLINEMICTRI

45、MINSERT/GUITARUNBALBALBALBALBALINPUT AINPUT BINPUT CINPUT DVOLUMEMINMAXPEAKLINETRIMMICUNBALPOWERUNBALMICTRIMLINEPEAKUNBALMICTRIMLINEPEAKMAXMIN1RL100SIMULATIONSIMULATIONAMPMIC010LR010LR23RL10048010LR76RL100RL100010LR5MAXMINMASTERREC SELECTRECORDSTOPPLAYREWINDF FWDUNDO/REDOSTORELOCATE REC ENDLOCATE AB

46、S ZEROA-B PLAYBOUNCEMASTERINGBRIGHT15/16 STEREO WAV FILENATURALPOWERFULB / OUTA / INPLAY MODEAUTO PUNCHLOCATEEFFECTDELAYPLATEHALLROOMBOUNCE MODECONTRASTTIMEBASE SELECTRHYTHM GUIDEDIRECT LOCATEEFFECT SENDPANINPUT EQTO STEREO BUSS LEVEL9/1011/1213/1415/16ABC1DEF2GHI3JKL4MNO5YZ9PQR6+-_0STU7VWX8DELETEME

47、NU / ENTERMINMAXMINMAXREVERB / DELAY TIMELSTEREO OUTR1AUX OUT21PHONES2DYNAMICBRIT STACKCONDENSERUS METALTUBE60S COMBOINPUT AINPUT BINPUT CINPUT D21 222324252627282930313233343536379 & Service Manual 1. INPUT A SELECT switch 2. FOOT SW jack 3. DIGITAL OUT connector 4. MIDI OUT jack 5. USB HOST connec

48、tor 6. USB port 7. AC IN conector 1. Internal CD-R/RW driveUSBUSB HOSTMIDI OUTDIGITAL OUTFOOT SWINPUT A SELGTR CLEANMIC/LINEGTR DIST12345671ReWritableCOMPACTUltra SpeedR O M10 & Service Manual3. SOFTWARE UPDATE 1) Connect the AC power cable to the AC IN connector. 2) Press the MR16 power switch. 3)

49、Press the MENU/ENTER dial to enter the MENU mode. 4) Rotate the MENU/ENTER dial and select the “USB” menu. 5) Press the MENU/ENTER dial. 6) Rotate the MENU/ENTER dial and select the “Disk Protect” menu. 7) Press the MENU/ENTER dial and set “Disk Protect” to “Off” by rotating the MENU/ENTER dial. The

50、n, press the MENU/EN-TER dial. With this setting, the Disk Protect mode is turned off indicating the condition that the software update fi le can be copied to the MR16 internal HDD. 8) Rotate the MENU/ENTER dial to select the “ STEREO WAV FILENATURALPOWERFULB / OUTA / INPLAY MODEAUTO PUNCHLOCATEEFFE