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Fostex VC-8 Service Manual
Fostex VC-8 Service Manual

Fostex VC-8 Service Manual

Adat/analog converter
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Service Manual
Model
VC-8
ADAT/ANALOG Converter

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Summary of Contents for Fostex VC-8

  • Page 1 Service Manual Model VC-8 ADAT/ANALOG Converter...
  • 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

    * Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining the Model VC-8. * The following accessories are supplied with VC-8 as the standard accessories. Owner's manual, VC-8, MLT AC adaptor AD-12A * Following is the packing material for the Model VC-8.
  • Page 4: Specifications

    VC-8 1. SPECIFICATIONS INPUT 1~8 Connector Input Impedance Input Level OUTPUT 1~8 Connector Load Impedance Output Level DATA IN/OUT Connector Format WORD IN Connector Input Impedance Input Level DIGITAL SECTION Quantization AD Converter DA Converter Sampling Frequency CHARACTERISTICS Overall Frequency Responce Dynamic Range (overall) T.H.D.
  • Page 5: Controls, Indicators And Connectors

    ANALOG OUTPUT connectors 1~8 [RCA] WORD IN connector [BNC] DIGITAL INPUT connectors [Square shape optical] DIGITAL OUTPUT connectors [Square shape optical] ADAT/ANALOG CONVERTER ANALOG INPUT MODE DIGITAL MODE ADAT S/P DIF ANALOG OPTICAL POWER STBY OPTICAL WORD IN DIGITAL VC-8...
  • Page 6: Exploded View

    VC-8 3. EXPLODED VIEW BBT3x8 BBT3x8 BBT3x8 BBT3x8 B3x6 BBT3x8 B3x6 BBT3x8 BBT3x8...
  • Page 7 The “PARITY SW (S001)” on the MAIN PCB assy must be set “ON”. Description PANEL ,TOP, DE-1 AC ADAPTOR, AD-12A, USA/CND AC ADAPTOR, AD-12A, EUR AC ADAPTOR, AD-12A, UK AC ADAPTOR, AD-12A, JPN PCB_ASSY, VC-8 CHASSIS, VC-8 PANEL, FRONT, VC-8 FOOT_ASSY, S VC-8...
  • Page 8: Parts List

    VC-8 PARTS LIST • MAIN PCB ASSY Ref. No. Part No. Description 8274201000 PCB_ASSY, VC-8 B101 8251525200 PLAIN_PCB, VC-8 Ref. No. Part No. Description U001 8236541610 ST, AN, REGULATOR, UPD29M10T U002~004 8236540301 ST, AN, REGULATOR, L78M05T-TL U005 8236545904 ST, TSSOP, 74VHCU04...
  • Page 9 8253655018 SW, PL, SLIDE, 2-2, NONSH, SSSF122, L06, COVER S005 8253655017 SW, PL, SLIDE, 1-2, NONSH, SSSF1, L06, COVER S007 8253655017 SW, PL, SLIDE, 1-2, NONSH, SSSF1, L06, COVER X001 8256170005 RESONATOR, ST, XTL, 11.2896MHZ, FUP-FBB3A Y701 8276873002 TUBE, UL, BLACK, 1, L05 VC-8...
  • Page 10: Pcb Pattern Drawing

    VC-8 5. PCB PATTERN DRAWING WORD ADAT SPDIF R24 R25 PCB. VC-8 R153 C152 C154 U151 AK4522 C157 C155 R152 R253 C252 C254 U251 AK4522 R50 R17 C257 C255 R252 R353 C352 C354 U351 AK4522 C357 C355 R352 R453 C452...
  • Page 11 R414 L301 R412 R312 C316 C311 R313 C315 C312 R311 C401 L202 L201 C301 R409 R214 L102 R309 C212 R211 C215 C216 L101 R213 C211 R114 R212 R112 C116 C111 R113 C115 C112 R111 C201 C101 R209 R109 R101 VC-8...
  • Page 12: Circuit Diagrams

    VC-8 6. CIRCUIT DIAGRAMS CDV+...
  • Page 13 SINA_MD EN_IFB CTL_PIN RESETB TEST2 TEST1 TDO_EMPO TDO_FS0O DI_FS0O DI_EMPI SOUT1_12 SOUT1_34 SOUT1_56 SOUT1_78 SOUT2_21 SOUT2_34 SOUT2_56 SOUT2_78 SOUT_DI DO_FS1I DO_FS0I DO_EMP1 ADAT_MD DO_SEL1 DO_SEL0 MCK1 FCONT1 LOCK1B PLL1_CONT MCK2 VC-8...
  • Page 14 VC-8...
  • Page 15 VC-8...
  • Page 16 VC-8...
  • Page 17 VC-8...
  • Page 18 VC-8...
  • Page 19 VC-8...
  • Page 20 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 JUN 1999 8288784000...