Service Manual DIGITAL MULTITRACKER CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND. The lighting flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER - SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. "WARNING" "TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE." SAFETY INSTRUCTIONS 1. Read Instructions - All the safety and operating instructions should be read before the appliance is operated. 2. Retain Instructions - The safety and operating instructions should be retained for future reference. 3. Heed Warnings - All warnings on the appliance and in the operating instructions should be adhered to. 4. Follow Instructions - All operating and use instructions should be followed. 5. 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 near a swimming pool, and the like. 6. Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufacturer. or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where 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 objects 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: A. The power supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the appliance; or C. The appliance has been exposed to rain; or D. The appliance does not appear to operate normally or exhibits a marked change in performance; or E. The appliance has been dropped, or the enclosure damaged. 13. 14. 15. 16. 7. 8. 9. 10. 11. 12. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces 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 ventilation. 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 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 appliance. 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 17. Servicing - The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel. 18. The appliance should be situated away from drops of water or spray of water. 19. Objects containing liquid such as vase must not be put on the appliance. The appliance is not completely isolated from the 20. power supply even if the power switch is at off position. 21. Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus. 22. Only use attachments/accessories specified by the manufacturer. 23. An appliance with a protective earth terminal should be connected to mains outlet with a protective earth connection. 24. An appliance should be placed in a position where an AC plug / inlet can be easily pulled out by hand. 25. Main plug is used as the disconnection device. It shall remain readily operable and should not be obstructed during intended 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. & Service Manual TABLE OF CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTROLS, INDICATORS & CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERVICE MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MR16HD & MR16HD/CD PCB CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ERROR CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 10 16 22 24 49 66 NOTES * PCB assembly, parts list and circuit diagrams are given in this manual to assist the service technician in maintaining the Model MR16HD MR16HD/CD. To make it simple, MR16HD and MR16HD/CD are just descried as "MR16" hereafter in this manual. If a distinction 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. Owner's manual, MR-16HD, ENG : 8588088000 (452186) Owner's manual, MR-16HD, JPN : 8588089000 (452188) Owner's manual supplement, MR-16HD, ENG : 8588093000 (456636) Owner's manual supplement, MR-16HD/CD, ENG : 8588095000 (456638) Owner's manual supplement, MR-16HD, JPN : 8588094000 (456637) Owner's manual supplement, MR-16HD/CD, JPN : 8588096000 (456639) * The following is the packing material for MR-16HD/CD. Carton, inner, MR-16HD : 8528101000 (452153) Poly, Form, L, MR-16HD : 8528099000 (452151) Poly, Form, R, MR-16HD : 8528100000 (452152) CAUTION 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 replacement. 3 & Service Manual 1. SPECIFICATIONS SPECIFICATION UNIT REFERENCE LEVEL 0 dBV = 1.0 Vrms, 0 dBu = 0.775 Vrms 12 dB below full scale level < INPUT & OUTPUT > ANALOG IN (A ~ D) Connector XLR-3-31 type (Pin-1: GND, Pin-2: Hot, Pin-3: COLD) / Ø 6 mm TRS phone balanced (Inserting TRS phone jack breaks signal fed to XLR connector.) - 48 dBu (MIC) ~ + 4 dBu (LINE) 1.5 k or more 400 k or more (INPUT SW: GTR) + 4 dBu - 48 dBu - 48 V, On/Off switchable by MENU setting. Fed to XLR connector only. Ø 6 mm TRS phone (Tip: output, Ring: Input, Sleeve: GND) 10 k or more - 10 dBV 10 k or more - 10 dBV Ø 6 mm phone - 10 dBV (Unbalanced) 10 k or more Ø 6 mm phone - 10 dBV (Unbalanced) 10 k or more Ø 6 mm STEREO phone 16 or more 50 mW or more at 32 DIN 5-pin MIDI Standard Ø 6 mm phone TTL Level Unlatched type Optical IEC60958 (S/P DIF) Input Level Input Impedance Reference Input Level LINE MIC Phantom INSERT (A) Connector Load Impedance Reference Output Level Input Impedance Reference Input Level STEREO OUT (L, R) Connector Reference Output Level Load Impedance AUX OUT (x 2) Connector Reference Output Level Load Impedance PHONES (x 2) Connector Load Impedance Maximum Output Level MIDI OUT Connector Format FOOT SW Connector ON/OFF Level Type S/P DIF OUT Connector Format 4 & Service Manual USB Device Connector USB 1.1. USB logo certificate not acquired. Connecting a USB key board and a storage device for file transfer is possible. A type 2 1 1 2 3 4 VBUS DDATA D+ GND 3 4 USB Device Format USB 2.0 high speed. USB logo certificate not acquired. File transfer be tween PC and MR16 is possible. B type 1 2 3 4 VBUS DDATA D+ GND 1 2 34 < MAJOR SPECS. > Record & Playback Medium Sampling Frequency Resolution File System Number of Track A/D & D/A Converter A/D D/A Fader CD-R/RW Drive Accession No. Internal 3.5" HD 44.1 kHz 16 bits linear FAT-32 16 24 bits delta-sigma, Cirrus Logic CS5331 24 bits delta-sigma, Cirrus Logic CS4345 256 steps, 30 mm 0221205 < CHARACTERISTICS > Maximum Output Level ST OUT AUX OUT PHONES Reference Output Level ST OUT AUX OUT Frequency Response ST OUT AUX OUT PHONES T.H.D. MIC -> ST OUT LINE -> ST OUT LINE -> PHONES Dynamic Range S/N LINE MIC + 2 dBV ± 1 dB (full scale level) + 2 dBV ± 1 dB (full scale level) 50 mW or more (32 load, 1 kHz) - 10 dBV ± 4 dB (Fader fixed at standard position (0 dB), 1 kHz) - 10 dBV ± 4 dB (Fader fixed at standard position (0 dB), 1 kHz) 20 Hz ~ 20 kHz + 2 dB, - 3 dB (MIC/LINE) 20 Hz ~ 20 kHz + 2 dB, - 3 dB (MIC/LINE) 50 Hz ~ 15 kHz + 2 dB, - 3 dB (50 mW, 32 load) 0.1 % or less (Full scale level - 2 dB, 1 kHz) 0.1 % or less (Full scale level - 2 dB, 1 kHz) 0.1 % or less (50 mW, 32 load, 1 kHz) 89 dB or more 89 dB or more (IHF A, input terminated by 150 resistor.) 80 dB or more (IHF A, input terminated by 150 resistor.) 5 & Service Manual Residual Noise LINE MIC PHONES Crosstalk LINE (TRIM : MIN) MIC (TRIM : MAX) Click Noise Power On/Off Others Phantom Voltage - 87 dBV or less (DIN, input terminated by 150 resistor.) - 78 dBV or less (DIN, input terminated by 150 resistor.) - 85 dBV or less (DIN) 65 dB or more (1 kHz) 85 dB or more (1 kHz, full scale level is input to adjacent channel.) 75 dB or more (1 kHz, full scale level is input to adjacent channel.) - 20 dBVp-p or less (ST OUT) - 30 dBVp-p or less (ST OUT) + 48 ± 2 V, On/Off on all channels at once by MENU setting. 400 (W) x 85 (H) x 265 (D) mm (including protruding portion) 3.3 kg 100 V AC 120 V AC 230 V AC 14 W Horizontal, continuous operation 20 ± 2 °C 65 ± 5 % + 5 °C ~ + 40 °C 30 % ~ 70 % ± 5 % or less + 5 °C ~ + 45 °C 85 % or less ± 10 % or less Comply to Fostex Company technical standards IEC60065 EN55011 Group 1 Class B EN61000-3-2 & 3-3 EN61000-6-1 (Year 2001 version) RoHS compliance < OTHERS > Dimensions Weight Power JPN USA EUR/UK Power Consumption Usage Condition Environmental Condition Standard Temperature Standard humidity Characteristics Guaranteed Temperature Humidity Voltage deviation Operation Guaranteed Temperature Humidity Voltage deviation < STANDARDS > Vibration & Drop Tests Safety Standard Others EMI EMS Environment Response Specifications and physical appearance are subject to change without notice for product improvement. 6 & Service Manual 2. CONTROLS, INDICATORS & CONNECTORS < Top Panel Section 1 > 1 2 34 567 8 INPUT A BAL INPUT B BAL INPUT C BAL INPUT D BAL L STEREO OUT R 1 AUX OUT 2 UNBAL /GUITAR INSERT UNBAL UNBAL UNBAL 1 PHONES 2 POWER 20 19 18 17 16 15 14 9 TRIM DISTORTION PEAK TRIM PEAK TRIM PEAK TRIM PEAK VOLUME MIN MAX GUITAR LINE MIC LINE MIC LINE MIC LINE MIC MIN MAX INPUT A INPUT B INPUT C INPUT D TO STEREO BUSS LEVEL MIN MAX ROOM HALL PLATE DELAY BOUNCE MODE 15/16 > STEREO WAV FILE 10 INPUT EQ MIN MAX REVERB / DELAY TIME POWERFUL NATURAL BRIGHT TIMEBASE SELECT STORE UNDO/REDO EFFECT BOUNCE MENU / ENTER MASTERING AMP MIC SIMULATION SIMULATION EFFECT SEND 0 10 0 10 0 10 0 10 0 10 0 10 0 10 0 10 AUTO PUNCH PLAY MODE A / IN B / OUT RHYTHM GUIDE CONTRAST DIRECT LOCATE LOCATE DYNAMIC BRIT STACK L ABC1 R L DEF2 R L GHI3 R L JKL4 R L R MNO5 L R PQR6 L STU7 R L R VWX8 YZ9 +-_0 DELETE PAN REC SELECT CONDENSER US METAL MAX 1 2 3 4 5 6 7 8 9/10 11/12 13/14 15/16 MASTER MAX REWIND F FWD 13 TUBE 60'S COMBO LOCATE ABS ZERO RECORD STOP LOCATE REC END PLAY MIN MIN A-B PLAY 12 11 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. [INPUT A] input connectors [INSERT] connector [INPUT B, C, D] input connectors [STEREO OUT] jacks [AUX OUT] jacks [PHONES] jacks [PHONE ...