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Fostex VR800Z Service Manual

Digital multitrack recorder
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Service Manual
Model
VR800
VR800Z
Digital Multitrack Recorder

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Summary of Contents for Fostex VR800Z

  • Page 1 Service Manual Model VR800 VR800Z Digital Multitrack Recorder...

  • Page 2: Safety Instructions

    CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 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. The lightening flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage”...

  • Page 3: Table Of Contents

    * Service mode, error code list, exploded view, PCB assembly, parts list and circuit diagrams are given in this manual to assist the service technician in maintaining the Model VR800. * The following accessories are supplied with VR800/VR800Z as the standard accessories. Owner's manual, VR800...

  • Page 4: Specifications

    D-SUB 25-pin SCSI-2, unbalanced transfer method Asynchronous Recording / reproducing Data backup Internal 3.5” E-IDE hard disk drive (VR800) Internal ATAPI zip drive (VR800Z) External fixed / removable hard disk drive (optional) SCSI-2 or better 44.1 kHz 16-bit linear Not available A.D.A.C.
  • Page 5 6 (7 including [LOCATE] key temporary memory) + 99 LCD Bargraph 10 dots (- , -30, -24, -18, -12, -9, -6, -3, 0, OVER) -12dB 254 (W) x 285 (D) x 100 (H) Approx. 2.0 kg 100V AC 120V AC 230V AC 15 W VR800 / VR800Z...

  • Page 6: Controls, Indicators And Connectors

    VR800 / VR800Z 2. CONTROLS, INDICATORS AND CONNECTORS < Top Panel Section > 1. Record track select keys [ RECORD TRACK (1 - 8) ] 2. Access LED [ ACCESS ] 3. LCD 4. Contrast adjustment knob 5. Clipboard In key [ CLIPBOARD IN / PREVIEW ] 6.
  • Page 7 33. Data input jack [DATA IN] (Connector: OPTICAL) 34. MIDI OUT jack [MIDI OUT] (Connector: DIN 5-pin) < Side Panel Section - VR800 > < Side Panel Section - VR800Z > 39. Blannk Panel (VR800) Zip Drive (VR800Z) 32 33...

  • Page 8: Software Update

    The VR800 software can be updated through the SCSI port. This means that unscrewing and opening up the VR800 panel is not necessary to change the EPROMs. Please refer to the following explanation for correct software updating procedures. 3-1. Method of Sending Software from Fostex Japan There are two ways of sending the VR800 updated software.

  • Page 9: Service Mode

    C.W. Version? DA_Test? Disp.Test? C.W. SelfCheck? C.W. OfsetDisp? C.W. Freeblock? FlashROM? Init.Disk? C.W. DeviceID? Resolu? Digi.out? VR800 / VR800Z SyncOut? FrameRate? MtcOffset? OfsetMode? C.W. SlaveMode? SlaveType? RecProtect? Format? Digi.In? : SETUP Mode menu : Service Mode menu N/A : Not Available...
  • Page 10 VR800 / VR800Z 4-2. Flash ROM & CPU version 4-3. DA Test This mode is used to check the Flash ROM and CPU versions : blinking currently installed in the unit. In order to check the version number, press the [EXECUTE/ YES] key while “?”...
  • Page 11 AUTO RTN START AUTO PUNCH IN AUTO PUNCH OUT AUTO RTN END CLIPBOARD IN CLIPBOARD OUT EXIT / NO / EJECT VR800 / VR800Z Key/Button/Jog Dial EXECUTE / YES RECORD TRACK 1 RECORD TRACK 2 RECORD TRACK 3 RECORD TRACK 4...
  • Page 12 VR800 / VR800Z 4-5. Self Check <Cable Connection in “ Self Check ” Mode> WORD OUT SCSI OPTICAL External SCSI Device Optical cable Fs, DIGITAL IN, DIGITAL OUT and SLAVE MODE settings on the disk to be used when the Self Check test is executed should be as follow.
  • Page 13 The following is considered to be the cause of problem. • The internal drive is not installed in the VR800. • Breaking, shortage and / or bad contact of flat cable J12. • Bad soldering of gate array U5 on the MAIN PCB. VR800 / VR800Z...
  • Page 14 VR800 / VR800Z 4-5-3. MIDI In/Out Check Even if the before mentioned prompt is displayed, pressing the [EXECUTE/YES] key would reach the next test. 4-5-4. S/P DIF In/Out Check Even if the before mentioned prompt is displayed, pressing the [EXECUTE/YES] key would reach the next test.
  • Page 15 If not, it means that the vari-pitch circuit does not work correctly. As a result, the prompt below will be displayed. The following is considered to be the cause of problem. • Defects on the vari-pitch circuit (U3, U9), gate array (U5) and / or surrounding circuit. VR800 / VR800Z...
  • Page 16 VR800 / VR800Z 4-6. Offset Display 4-7. Initializing Disk : blinking This mode determines if the offset value against a master machine should be displayed when the VR800 is working as a slave machine. If you would like to turn “ON” the offset display, press the [EXECUTE/YES] key while “?”...
  • Page 17 SCSI port. However, if something wrong happens when updating the software (e.g. A blackout occurred while updating the software.), the VR800 might not be able to boot up by the system software inside the Flash ROM. VR800 / VR800Z...
  • Page 18 VR800 / VR800Z 4-9. Free Block Check 4-11. Test 1 : blinking This mode is used to check the condition of the diskette inserted into an external SCSI drive connected to the VR800 or the internal drive. (As mentioned before, the SCSI drive has a priority unless the SCSI ID is set to “6”.)

  • Page 19: Error Code List

    There is an overlapping section in program management region. There was improper access to program management region. There was improper access to program management region when saving System File. There was improper access when fading in/out. ERROR CODE LIST DESCRIPTION VR800 / VR800Z...

  • Page 20: Installing Internal Drive

    • The internal drive must be set to “MASTER”. • There are 4x inch screws and 8x metric screws are included in the VR800 as well as the VR800Z. When fixing the HDD to the bracket, use the inch screws. On the other hand, use the metric screws when fixing the zip drive to the bracket.
  • Page 21 4) Connect the J12 (40-pin flat cable) and W1 (4-pin cable) from the MAIN PCB assy to the internal drive connectors In order to connect pins straight, twist the cable as shown below. 4) Tighten 6 x screws (BBT 3 x 8 BZn) fixing the bottom panel of the VR800. VR800 / VR800Z...

  • Page 22: Exploded View, Pcb Assembly And Parts List

    VR800 / VR800Z 7. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST • EXPLODED VIEW...

  • Page 23: Exploded View Parts List

    CABLE_ASSY, 1P, SMF/F-KINK, L10 CORD, POWER, DM, VM1292-1298 CORD, POWER, UL/CSA, VM0033-0089 CORD, POWER, CEE, 0309B-0310B CORD, POWER, BS, 3C, KP610-KS31A BRACKET, AC-IN, D-108 PCB_ASSY, ADAC, VR800 PCB_ASSY, MAIN, VR800 PANEL, BOTTOM, VR800 PANEL, RHD, VR800 FOOT, FF-822 VR800 / VR800Z...
  • Page 24 VR800 / VR800Z • MAIN PCB ASSY Parts List Ref. No. Part No. Description 8274196000 PCB_ASSY, MAIN, VR800 B101 8251981101 PLAIN PCB, MAIN Ref. No. Part No. Description U004 8236545000 ST, TSSOP, 74VHC00 U005 8236081800 QFP, DG, GATEARRAY, ASPI U006...
  • Page 25 C930 8233500101 CER, 50V, 100pF, 5%, CC20SL C931 8233500471 CER, 50V, 470pF, 5%, CC20SL C932 8233502104 CER, 50V, 0.1 F, +80, CC20F C933 8233500471 CER, 50V, 470pF, 5%, CC20SL C934 8233504103 CER, 25V, 0.01 F, 10%, CC20R VR800 / VR800Z...
  • Page 26 VR800 / VR800Z MISCELLANEOUS Ref. No. Part No. Description F001 8239801008 FUSE, VI, SEMKO, TLAG, 0.8A, 250V, TR5-T J001 8245321000 CONN, PL, JACK, ACINLET, 3P, 0714-FR7 J002 8245420000 CONN, PL, JACK, DIN5P(SHIELD), YKF51-5053 J004 8245552010 CONN, OPT, GPIF38T2 J005 8245553010 CONN, OPT, GPIF37R1...
  • Page 27 8245272117 CONN, PL, JACK, FPC, 17P L201, 202 8239116000 LAMP, 5V, 75MA W201 8276839615 CABLE, FLAT, FFC, 17P, L150 Y202 8212611000 PLATE, REFLECT, LCD, FD-4 Y203 8216705000 SHEET, LCD, A, VR800 Y204 8216706000 SHEET, LCD, B, VR800 VR800 / VR800Z...
  • Page 28 VR800 / VR800Z • ADAC PCB ASSY Parts List Ref. No. Part No. Description 8274198000 PCB_ASSY, ADAC, VR800 B101 8251981103 PLAIN PCB, ADAC, VR800 Ref. No. Part No. Description U001, 002 8236084300 QFP, DG, GATEARRAY, ADAC U003 8236545904 ST, TSSOP, 74VHCU04 RESISTORs Ref.
  • Page 29 REOLACE ONLY WITH SAME TYPE FUSE. PRECAUTION : EN VUE DE LA PROTECTION CONTINUELLE CONTRE LES RISQUES D’INCENDIE, REMPLACER AVEC LE MEME TYPE DE FUSIBLE. C925 C924 C928 R927 C909 R926 C929 R915 R115 D106 L105 C110 C109 R114 VR800 / VR800Z BH9595 C927 L102...
  • Page 30 VR800 / VR800Z • MAIN PCB Pattern Drawing (Foil Side) R914 C902 R913 C933 R929 R928 C934 C912 C919 C926 R930 R841 C104 C108 L102 L104 R110 R111 C114 R113 D106 R112 L105 C110 C109 R103 C910 C911 C100 C931...
  • Page 31 • KEY PCB Pattern Drawing (Parts Side) VR800 / VR800Z...
  • Page 32 VR800 / VR800Z • LCD PCB Pattern Drawing (Parts Side) • LCD PCB Pattern Drawing (Foil Side) C203 C201 L201 R208 J201 U202 U202 U201 DGND PCB, LCD, VR800 C201 C203 R208 J201 L202...
  • Page 33 • ADAC PCB Pattern Drawing (Parts Side) • ADAC PCB Pattern Drawing (Foil Side) U2ADAC ADAC VR800 / VR800Z...
  • Page 34 VR800 / VR800Z • JOG PCB Pattern Drawing (Parts Side) • FOOT_SW PCB Pattern Drawing (Parts Side) 8251982 002 PCB, JOG, VR800 PCB, J101 PUNCH I/O VR800 8251982 103 W101 D102 L101 D101...

  • Page 35: Circuit Diagrams

    VR800 / VR800Z 8. CIRCUIT DIAGRAMS...
  • Page 36 VR800 / VR800Z PE0/DREQ0 PE1/DREK0 PE2/DREQ1 PE3/DRAK1 PF0/AN0 PF1/AN1 PF2/AN2 PF3/AN3 PF4/AN4 PF5/AN5 AVSS PF6/AN6 PF7/AN7 AVCC PE10 PE11 PE12 PE13/MRES PD12/D12 PD13/D13 PD14/D14 PD15/D15 PA0/RXD0 PA1/TXD0 PA2/SCK0 PA3/RXD1 PA4/TXD1 PA5/SCK1 PA6/CS2 PA7/CS3 PA8/IRQ2 PA9/IRQ3 PA10/CS0 PA11/CS1 PA12/WRL PA13/WRH WDTOVF...
  • Page 37 VR800 / VR800Z...
  • Page 38 VR800 / VR800Z SINA_MD DI_FS0O EN_IFB DI_EMPO SOUT1_12 SOUT1_34 CTL_PIN SOUT1_56 SOUT1_78 SOUT2_12 SOUT2_34 SOUT2_56 SOUT2_78 SOUT2_DI DO_FS1I RESETB DO_FS0I DO_EMPI ADAT_MD DO_SEL1 DO_SEL0 MCK1 TEST2 FCONT1 TEST1 LOCK1B PLL1_CONT TDO_EMPO MCK2 TDO_FS0O IORDY_O CS_IDE MCLK LRCK DA_DATA_LR DA_DATA_78 DA_DATA_56...
  • Page 39 UDMDP DD17 DD10 DD11 LDMDP DD12 DD13 DD14 DD15 DMA/RD DD16 DMA_WR DD16 DMD15 DD15 DMD14 DD14 DMD13 DD13 DMD12 DD12 DMD11 DD11 DMD10 DD10 DMD9 DMD8 DMD7 DMD6 DMD5 DMD4 DMD3 DMD2 DMD1 DMD0 DD17 DMA0 VR800 / VR800Z...
  • Page 40 VR800 / VR800Z...
  • Page 41 VR800 / VR800Z...
  • Page 42 VR800 / VR800Z Oadj...
  • Page 43 P56/INT6/TMIB P31/SI1 P30/SCK1 P55/INT5/ADTRG P10/TMOW P54/INT4 P14/PWM P53/INT3 P52/INT2 P15/IRQ1 P16/IRQ2 P51/INT1 P17/IRQ3/TRGV P50/INT0 AVCC PB7/AN7 PB6/AN6 PB5/AN5 PB4/AN4 PB3/AN3 PB2/AN2 VR800 / VR800Z KEY7 KEY6 KEY5 KEY4 KEY3 KEY2 KEY1 KEY0 LED_K7 LED_K6 LED_K5 LED_K4 LED_K3 LED_K2 LED_K1 LED_K0...
  • Page 44 VR800 / VR800Z KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7...
  • Page 45 PA10 PA11 PA12 PA13 PA14 PA15 NANDA0 NANDA1 NANDAO PA10 PA11 PA12 PA13 PA14 PA15 NANDA0 NANDA1 NANDAO VR800 / VR800Z...
  • Page 46 VR800 / VR800Z SEG40 SEG40 SEG39 SEG39 SEG38 SEG38 SEG37 SEG37 SEG36 SEG36 SEG35 SEG35 SEG34 SEG34 SEG33 SEG33 SEG32 SEG32 SEG31 SEG31 SEG30 SEG30 SEG29 SEG29 SEG28 SEG28 SEG27 SEG27 SEG26 SEG26 SEG25 SEG25 SEG24 SEG24 SEG23 SEG23 SEG22...
  • Page 47 VR800 / VR800Z <NOTE>...
  • Page 48 FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. © PRINTED IN JAPAN MAY 1999 8288783000...

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