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Fostex DE-1 Service Manual

Fostex DE-1 Service Manual

20-bit dual multi effect processors
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Service Manual
Model
DE-1
20-bit Dual Multi Effect Processors

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Summary of Contents for Fostex DE-1

  • Page 1 Service Manual Model DE-1 20-bit Dual Multi Effect Processors...
  • Page 2 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 Carton, inner, DE-1 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. TABLE OF CONTENTS : 8288441100 (for domestic & export model)
  • Page 4: Specifications

    DE-1 1. SPECIFICATIONS INPUT & OUTPUT INPUT (x 2) Connector Input level Impedance STEREO OUTPUT (L & R) Connector Output level Impedance FOOT SWITCH (x 1) OTHERS Frequency Response Dynamic Range AD / DA Converter Total Harmonic Distortion Crosstalk Sampling Frequency GENERAL Dimensions Weight...
  • Page 5: Controls, Indicators And Connectors

    2. CONTROLS, INDICATORS & CONNECTORS < Front Panel > EFFECT 1 TYPE VARIATION ADJUST PARAM.1 DLY+REV VOCAL DELAY PLATE MISC ROOM S.HALL PITCH L.HALL FLANGE PEAK < DUAL MODE > 1. EFFECT 1 TYPE SW 2. EFFECT 1 VARIATION SW 3.
  • Page 6: Exploded View, Pcb Assembly And Parts List

    DE-1 3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST DE-1 OVERALL EXPLODED VIEW & PARTS LIST Ref. No. Part No. Description 8221287000 Panel, front, DE-1 8221288000 Panel, top, DE-1 8221289000 Chassis, VC-8/DE-1 8274207000 PCB assy, Main, DE-1 8274208000 PCB assy, DSP, DE-1 8221292000 Bracket, volume, DE-1 8216700100 Shield, EMI, DE-1 8216702000 Sheet, screw, DE-1...
  • Page 7 DE-1 DE-1 OVERALL EXPLODED VIEW BBT 3 x 6 BZn BBT 3 x 6 BZn BBT 3 x 6 BZn BBT 3 x 6 BZn BBT 3 x 6 BZn BBT 3 x 6 BZn BBT 3 x 8 BZn...
  • Page 8 DE-1 R202 C414 C314 C415 R414 C313 C315 R314 R315 BR51 C311 BC30 C211 R215 BR50 C213 R114 C215 C113 R114 C115 R115 C111 C202 C205 R208 C203 R205 R206 R204 R207 R203 C206 R209 R109 C106 R103 R108 R107 R104 R106 R105...
  • Page 9 C102 R105 C105 C107 R104 R106 R107 R108 R103 C106 R109 C206 R209 R203 R207 C207 R204 R206 C205 R208 R205 C202 C111 C212 R115 C115 R114 C114 C113 C214 R214 C210 C213 BR50 C214 R215 BC51 C211 C212 BC30 C311 BR51 C312...
  • Page 10 DE-1 • Parts sides of DSP PCB D. S. P. module PCB, DSP, DE-1 8251983001...
  • Page 11 • Foil sides of DSP PCB PCB, DSP, DE-1 8251983001...
  • Page 12 DE-1 DE-1 Parts List • MAIN PCB assy Ref. No. Part No. 8274 2070 00 PCB assy, Main, DE-1 B101 8251 5261 00 Plain PCB, Main, DE-1 Ref. No. Part No. U001 8236 0852 00 QFP, DG, CPU, TMP87PM40AF U002 8236 0320 01 220, AN, regulator, NJM78M05FA U003 8236 5025 00 ST, AN, reset, NJM2103M...
  • Page 13 Ref. No. Part No. Description J002~008 8245 3390 04 Connector, PL, jack, phone, YKB21-5074 L001 8242 1962 23 Coil, pvt, 22µH, 5%, LF-5.0S L002 8242 5011 21 Filter, ST, EMI, 120, 25%, MMZ2012S L003~006 8230 5000 00 Resistor, ST, carbon, 1/10W, 0 , 5% L007, 008 8242 5011 21 Filter, ST, EMI, 120, 25%, MMZ2012S L009...
  • Page 14: Circuit & Block Diagrams

    DE-1 /RST_DSP /PD_DSP mode3 mode2 mode1 mode0 /WRQ_DSP /CS_DSP /PD_ADDA P62/AIN2 P63/AIN3 P64/AIN4 P65/AIN5 P66/AIN6 P67/AIN7 XOUT /RESET P22/XTOUT P21/XTIN TEST...
  • Page 15 DE-1...
  • Page 16 DE-1...
  • Page 17 DZF2 DZF1 AOUTR2 AOUTL2 AOUTR1 AOUTL1 VRDAL AVSS AVDD VRDAH AINR- AINR+ AINL- AINL+ VCOM VRADL AVSS AVDD VRADH DVDD DVSS /RASCE /CASRF DRDY DRDY_DSP WRDY WRDY_DSP SCLK DVDD DVSS /WRQ /WRQ_DSP /CS_DSP TSTI2 DE-1...
  • Page 18 DE-1...
  • Page 19 DE-1...
  • 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 MAR. 1999 8288780000...