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Service Manual -- Fostex -- DE-1

1. 100 100 100 100 100 100 dm O HO ZLO Elo 910 SL vL L ZInov m Ob Como 6 619 vO 8 V E 9 S NIV 0061 TL v 29 TEN 2 L INV 40091 229 TINI sv dsa e 17 c LNdLNO ONOW 1 1114110 ONOW 1 DE 1 lsnrav 9055320849 ME 193333 NOLLVIHVA 15 LAdNI HOSS o2OHd 291 1 LAdNI 193443 ETA lt lt NOLLVIHVA 3qow 49018 e 18 DE 1 LNdLNO ONOW 1 LAdNI L WNVuvd 15 i1snrav 15 222 1ndino HOSSdo0O0ud 193443 2 Z AdAL ONOW 1 ONON 1 LNdNI AGOW ATONIS 19 FOSTCX FOSTEX CORPORATION 3 2 35 Musashino Akishima Tokyo Japan 196 0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave Norwalk 90650 U S A PRINTED IN JAPAN MAR 1999 8288780000
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4. 5 R019 8230 1381 09 carbon 1 4W 10 5 R020 8230 1381 02 HT carbon 1 4W 1kQ 5 R021 8230 138822 carbon 1 4W 8 2kQ 5 R022 8230 138301 carbon 1 4W 3000 5 R023 8230 1381 04 HT carbon 1 4W 100kQ 5 R024 8230 1381 03 carbon 1 4W 10kQ 5 R025 8230 1384 73 carbon 1 4W 47kQ 5 R026 8230 1383 30 HT carbon 1 4W 330 5 R040 043 8240 2870 06 Pot PL 9 10 XV092 20 R044 047 8240 292001 Pot PL RK16311 10 ROT R101 201 8240 2870 07 Pot PL RTO9 50kQA XV092 20 R102 202 8230 1382 03 carbon 1 4W 20 5 R103 203 8230 1382 03 carbon 1 4W 20 5 R104 204 8230 1382 03 carbon 1 4W 10kQ 5 R105 205 8230 1388 23 carbon 1 4W 82kQ 5 R106 206 8230 1382 03 carbon 1 4W 10kQ 5 R107 207 8230 1382 03 carbon 1 4W 10kQ 5 R108 208 8230 138331 HT carbon 1 4W 3300 5 R109 209 8230 138331 carbon 1 4W 3300 5 C001 002 C003 C004 006 C007 008 C009 C010 011 013 014 015 016 017 018 022 023 024 C101 201 C102 202 C103 203 C104 204 C105 205 C106 206 C107 207 C108 208 C109 C110 410 C111 411 C112 412 C113 413 C114 414 115 415 Ref No 8232 8181 04 8232 1434 77 8232 1421 07 8232 8013 30 8232 8031 03 8232 1461 05 8232 8031 03 8232 8014 71 8232 8011 22 8232 1421 07 8232 1431 07 8232 8031 03 8232 1431 06 8232 8011 00 8232 1421 07 8232 8011 00 82
5. Service Manual Model DE 1 20 bit Dual Multi Effect Processors Fostex 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 within the product s en closure that may be of sufficient magnitude to constitute a risk of electric shock to persons WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS TURE SAFETY INSTRUCTIONS 1 Read instructions All the safety and operating instruc tions 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 manufac turer M An appliance and c
6. INSLIZWIN van kih T TILA LAO 0 gon Zu 11 100 dol HO LSVISA munov 0429 lc 6 NON elo 16 runov L Ad NIYIN LNO 6 16 DE 1 10 14210016521 gc end SSA yz sese v 9 99 19 sta 99 rg go aw mid ao z o ov SW 77 FV EW Zi ziv oy Luv ev FEO 50 jen LE 8v lt lt eal ae 40 62 oy EN lu 80 9d 82 901 ey Lek 97 5 E Sd z o fy SE OH gress vd 92 Sd S2 zov Sy Leb Ev 8L V A LON IY id oy LoL 0d lz Od 0 A zn Toot 100 1 100 1 100 Lem 100 9y 42y 897 697 oT veo sta or yr er 9 I 01719 O 5 O 7 O so S o ov e1noas 30 980 18 Lo 001 vaas vaav qd 219 101 zinods H O 201 DW H SOI 901 OLSL 201 20181 101151 15 195520 AH 390 153 avad 1940
7. Pu uou NISONNV 2 eLsnrav XR Bd OL D v An sty L eanov SdAL eV ZXIN 19 3dAL 1 79 3dAL B 5 3 2 Sx z z aor z UA o o 5 o o gt Q o o lo o o g a X gt L L D L D L E vs av e a Sid vid 2 angav a A v ose gt xor b mor Sor boot 6H 1H 1 astdv LIdAL LNOILVIHYA NOILVINVA sta L Ad Ndd SI NVH9VIG 39O18 8 LINDAID 7 14 DE 1 LSVIGA 0001 gozo xL uou 29 ose 60cH 9020 WWSLLZWIN lt NV S gsn yoz L et CE T ws 2 MOL 20 acd 9005 E 10cH oee 1 oL 9020 lt NV E N a an A 901 200 LOZI 00 gt 995 SOGPININ 91010 Y 9Uot ISVIgA NOV 2029 dou 0129 8020 01001 ezo y L ne goo s yon Jo TR wen Lt i NOV z T F 400 128 Sai Nov NON NG TK m
8. Taping device Penetrate mount I form straight Penetrate mount L form right angle Penetrate mount Taping device Penetrate mount I form Taping device TSOP Thin Small Outline Package 13 DE 1 a 61 3021000 90 L anov 90 T E IM L 1 uou L uou 0698 za 4 2 ty Act osit L zONOV 8 ly je fh GND 910 OSA 19 QN9av anov A6 92d X amawa 4 awe I i sq Y 006 PT g 3539 omor 100 100 1 z 100 9 0 SO T 29 60 9 1 1 0 A QSA PSA dur y s 9 IZ i a O ndo 1SW LI LLA U e 2 in gt gt gt vs av ma SONS V WY lt Y SLOW Su sta EE NY 3 1
9. 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 or pinched by items placed upon or against them paying particular attention to cords at plugs convenience recep tacles and the point where they exit from the appliance Cleaning The appliance should be cleaned only as rec ommended 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 en closure through openings Damage requiring Service The appliance should be ser viced 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 changed in performance or E The appliance has been dropped or the enclosure damaged Servicing The user should not attempt to service the ap pliance beyond that described in the operating instruc tions All other servic
10. 1 Knob volume grey N Knob volume green N Knob volume blue N AC adaptor AD 9B USA CSA AC adaptor AD 9B EUR AC adaptor AD 9B UK AC adaptor AD 9B JPN Cushion button FD 4 DE 1 DE 1 DE 1 OVERALL EXPLODED VIEW BBT3x6BZn 3 x 6 BZn BBT 3 x 6 BZn BBT 3x 6 BZn BBT 3x 8 BZn DE 1 0019291928 NIV 82 HELO com Is tr gt 79 e o a 1 4 c Old 7 Oley lt gt 200008 7012 0 1019 rn B RLY 1019 99 JO epis SMEd e H SNIMVHG NH3LLVd 82d 1 30 6 m in x D e a 22 S 0 EN amp amp 2 E 5 Y Cl evyr TTA MEA E II i ETT cis der 5 D WA 5 Ca zi LE m r PLI C s e S l TS eT l ii O NE X DE 1 Foil sides of DSP PCB DE 1 12 Q DE 1 Parts List MAIN PCB assy Ref No Part No Description R110 210 R111 211 R112 212 R113 213 R114 414 R115 415 R116 416 R117 417 R118 418 Ref No 8230 1381 53 8230 1381 82 8230 1385 63 8230 1383 01 8230 1381 04 8230 1382 73 8230 1381 04 8230 1382 02 8230 1381 04 HT carbon 1 4W 15kQ 5 HT ca
11. 32 1431 06 8232 8181 04 232 8031 03 8232 1431 06 8232 8011 00 8232 1421 07 8232 1431 06 VT CER 25V O 1uF 80 20 YF VT ALU 16 470uF 20 SME VB VT ALU 10 1001 20 SME VB VT CER 50V 33pF 5 SL VT CER 50V 0 01uF 80 20 YF VT ALU 50V luh 20 SME VB CER 50V 0 01uF 80 20 YF VT CER 50V 470pF 5 SL VT CER 50V 0 0012 VT ALU 10 1001 20 SME VB VT ALU 16 1001 20 SME VB CER 50V 0 01uF 80 20 YF N A VT ALU 16 10uF 20 SME VB VT CER 50V 10pF 0 5pF SL VT ALU 10 1001 20 SME VB N A VT CER 50V 10pF 0 5pF SL N A VT ALU 16 10uF 20 SME VB VT CER 25V 0 1 80 20 YF CER 50 0 01uF 80 20 YF VT ALU 16 10uF 20 SME VB VT CER 50V 10pF 0 5pF SL VT ALU 10 1001 20 SME VB N A VT ALU 16V 10uF 20 SME VB N A MISCELLANEOUS Part No Description E001 E002 1001 8245 5440 00 Jumper F5 Jumper F10 Connector PL jack DC Inlet YKB31 0014 Ref No Part No Description J002 008 8245 3390 04 Connector PL jack phone YKB21 5074 L001 8242 1962 23 Coil pvt 22uH 5 LF 5 0S L002 8242 5011 21 Filter ST EMI 120 25 MMZ2012S L003 006 8230 5000 00 Resistor ST carbon 1 10W 00 5 L007 008 8242501121 Filter ST EMI 120 25 720125 L009 8242 1976 83 Coil pvt 68uH 5 LF7 5 L010 Jumper F15 L011 8242 1976 83 Coil pvt 68uH 5 L
12. F7 5 S001 8253 6550 17 SW PL slider 1 2 non shortening SSSFI cover W001 004 N A X001 8256 1790 02 Resonator PV CER 8MHz EFOEN Y801 8245 3400 00 Nut phone jack lt DSP PCB assy Ref No Part No Description 8274 2080 00 assy Main DE 1 B101 8251 9830 01 Plain PCB DSP DE 1 ICs Ref No Part No Description 0001 8236 0849 00 QFP DSP AK7712AVT U002 8236 0846 00 TSOP DG SRAM TC551001CFT 70L RESISTORs Ref No Part No Description 001 8230 5001 01 ST carbon 1 10W 1000 5 R002 8230 5001 00 ST carbon 1 10W 100 5 CAPACITORs ALU Electrolytic type CER Ceramic type PES Mylar type Ref No Part No Description 001 004 8232 2181 06 ALU 16V 10uF 20 SRE 005 015 8233 5041 03 ST CER 25V 0 01uF 10 CC20R C016 8233 5041 04 ST CER 25V 0 1 10 CC20R C017 018 8233 5002 20 ST CER 50V 22pF 5 CC20SL 019 021 8233 5041 04 ST CER 25V O 1uF 10 CC20R C022 023 8233 5001 52 ST CER 50V 0 0015 uF 5 CC20R C024 8233 5041 03 ST CER 25V 0 01uF 10 CC20R MISCELLANEOUS Ref No Part No Description X001 8256 183001 Resonator ST CER 16 384MHz EFOD 1001 002 8245 326015 Connector plug 15 IMSA 1068Z006 DE 1 Abbreviation QFP 220 AN DG ST HT V VT PI PL PT PIT Quad Flat Package TO 220 type Analog Digital Surface mounting Taping device Horizontal mount taping device Vertical mount Vertical mount
13. art combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to over turn 7 Wall or Ceiling Mounting The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer 8 Ventilation The appliance should be situated so that its location or position does not interfere with its proper ven tilation For example the appliance should not be situ ated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installa tion such as a bookcase or cabinet that may impede the flow of air through the ventilation openings 10 11 12 13 14 15 16 17 CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR VITER LES CHOCS LECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE SPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte nance servicing instructions in the literature accompanying the appliance 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
14. ing should be referred to qualified Service personnel TABLE OF CONTENTS 1 SPECIFICATIONS cercat cmd eh px e dap epu Re ord SR GRECE 4 2 CONTROLS INDICATORS AND CONNECTORS 2 3 EXPLODED VIEW ASSEMBLY AND PARTS LIST 6 4 CIRCUIT amp BLOCK 5 14 NOTES Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining the Model DE 1 The following accessories are supplied with DE 1 as the standard accessories Owner s manual 8288441100 for domestic amp export model Foot assy S 8260561000 Following is the packing material for the Model DE 1 Packing L DE 1 8228454000 Packing R DE 1 8228455000 Carton inner DE 1 8228729000 CAUTION A 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 DE 1 DE 1 1 SPECIFICATIONS INPUT amp OUTPUT INPUT x 2 Connector Input level Impedance STEREO OUTPUT L amp 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 Power Requirement JPN USA CND UK EUR Power supply AC Adaptor STANDARD ENVIRONMENT Standard Temperature Standard Humidity ENVIRONMENT CONDITION Charac
15. ob MODESW 1 2 3 4 5 6 Rear Panel gt 7 EFFECT 2 TYPE SW EFFECT 2 VARIATION SW 9 PEAK LED 10 EFFECT 2 ADJUST knob 11 EFFECT 2 MIX knob 12 POWER LED oo 7 Not functioning oo Not functioning 9 PEAK LED R channel 10 PARAM PARAMETER 2 knob 11 PARAM PARAMETER 3 knob 12 POWER LED OO EFF MUTE R L MONO R L MONO Nc 21O O Q Q OL Q 13 14 15 16 17 18 19 DUAL MODE 13 DC INLET socket 17 INPUT 2 jack socket 14 Foot SW socket 18 INPUT 1 1 amp 2 jack socket 15 OUTPUT 2 jack sockets 19 INPUT LEVEL knobs 16 OUTPUT 1 jack sockets SINGLE MODE 13 DC INLET socket 17 INPUT L MONO jack socket 14 Foot SW socket 18 INPUT R jack socket 15 Not functioning 19 INPUT LEVEL knobs 16 Not functioning DE 1 3 EXPLODED VIEW PCB ASSEMBLY AND PARTS LIST DE 1 OVERALL EXPLODED VIEW amp PARTS LIST Ref No Part No Description 00 10 WN A2 13 8221287000 8221288000 8221289000 8274207000 8274208000 8221292000 8216700100 8216702000 8226189001 8226190001 8226191001 8270818003 8270818006 8270818007 8270818010 8216636101 Panel front DE 1 Panel top DE 1 Chassis VC 8 DE 1 PCB assy Main DE 1 PCB assy DSP DE 1 Bracket volume DE 1 Shield EMI DE 1 Sheet screw DE
16. rbon 1 4W 1 8kQ 5 HT carbon 1 4W 56kQ 5 HT carbon 1 4W 300Q 5 HT carbon 1 4W 100k 5 HT carbon 1 4W 27kQ 5 HT carbon 1 4W 100kQ 5 HT carbon 1 4W 2kQ 5 HT carbon 1 4W 100 5 CAPACITORs ALU Electrolytic type CER Ceramic type PES Mylar type Part No Description Ref No Part No Description 8274 2070 00 assy Main DE 1 B101 8251 5261 00 Plain PCB Main DE 1 ICs Ref No Part No Description 0001 8236 0852 00 QFP DG CPU TMP87PM40AF U002 8236 0320 01 220 AN regulator NIM78MOSFA U003 8236 5025 00 ST AN reset NJM2103M 0004 8236 5413 00 ST AN DC DC NJM2360M 0005 006 8236 505011 ST AN amp NJM2115M U007 8236 0782 01 DG driver DTA114ES U101 8236 5412 00 ST AN amp NJM4565M U102 202 8236 505011 ST op amp NJM2115M U103 403 8236 5043 00 PT DG driver DTA314STP DIODEs Ref No Part No Description 0001 002 8234 5007 00 155136 D003 8234 1046 02 Opt VT LED SR 332MC TE7 D004 8234 0196 02 HT DSK10C BT D101 201 8234 1046 01 Opt VT LED RED SR 332MC TE7 D102 202 8234 5007 00 HT 155136 RESISTORs Ref No Part No Description R001 003 8230 1381 02 carbon 1 4W 5 R004 8230 1381 03 carbon 1 4W 10kQ 5 R005 006 8230 1381 01 carbon 1 4W 1000 5 R007 016 8230 1381 03 HT carbon 1 4W 10kQ 5 R017 8230 1383 31 carbon 1 4W 3300 5 R018 8230 1381 03 carbon 1 4W 10
17. teristics Guaranteed Temperature Humidity AC voltage deviation Operation Guaranteed Temperature Humidity AC voltage deviation 6 mm phone jack unbalanced 10 dBV 20 kQ or more 6 mm phone jack unbalanced 10 dBV 10 kQ or more 6 mm phone jack Optional Model 8051 1 2 dB at 20 Hz 14 5 kHz 86 dB IHF A 20 bit 0 1 at 100 Hz 10 kHz w LPF 60 dB at 1 kHz 32 kHz 220 W x 187 D x 43 H mm 1 0 kg excluding AC adaptor 100 V AC 120 V AC 230 V AC DC 9 V center positive 600 mA AD 9B 20 2 6545 5 40 30 70 5 or less 5 C 45 85 or less 10 or less Specifications and appearance are subject to change without notice for product improvement DE 1 2 CONTROLS INDICATORS amp CONNECTORS Front Panel TYPE MIX DLY REV VOCAL o o DELAY PLATE O OMISC S HALLO OPITCH L HALL o O FLANGE oR TYPE VARIATION DLY4REV VOCAL o o DELAY 5 o 9 PLATE O 5 ROOM OCHO S HALLO OPITCH 2 0 910 L HALL o OFLANGE 1 9 o 11 DUAL MULTI EFFECT PROCESSORS DUAL MODE gt EFFECT 1 TYPESW EFFECT 1 VARIATION SW PEAK LED EFFECT 1 ADJUST knob EFFECT 1 MIX knob MODESW SINGLE MODE gt TYPESW VARIATION SW PEAK LED L channel PARAM PARAMETER 1 knob MIX kn

Service Manual -- Fostex -- DE-1

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