User manual FOSTEX DS-8 SERVICE MANUAL

[. . . ] Read instructions - All the safety and operating instructions should be read before the appliance is operated. Retain instructions - The safety and operating instructions should be retained for future reference. Heed warnings - All warnings on the appliance and in the operating instructions should be adhered to. [. . . ] 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 appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel. 10. 11. 12. 6. 13. 14. INPUT 1 (COAXIAL) INPUT 2 (COAXIAL) INPUT 3 (OPTICAL) INPUT 4 (OPTICAL) 15. 7. 8. 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, placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. 16. 17. BLOCK DIAGRAM INPUT 5 (OPTICAL) INPUT 6 (OPTICAL) INPUT 7 (OPTICAL) INPUT 8 (OPTICAL) INPUT SELECTOR OUT 8 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 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. OUTPUT 8 (OPTICAL) 11 DS-8 DS-8 S18 SRBV18 S17 SRBV18 OUT8 INPUT SEL 1 10 OUT7 INPUT SEL S16 SRBV18 S15 SRBV18 S14 SRBV18 OUT4 INPUT SEL OUT5 INPUT SEL OUT6 INPUT SEL S13 SRBV18 OUT3 INPUT SEL S12 SRBV18 OUT2 INPUT SEL S11 SRBV18 OUT1 INPUT SEL SW PCB DGND IN5 IN1 IN6 IN2 IN7 IN3 IN8 IN4 OUT8 OUT1 OUT7 OUT2 OUT6 OUT3 OUT5 OUT4 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 FPC-17P 10 J2 1 10 1 10 1 10 1 10 1 10 1 10 1 10 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 TABLE OF CONTENTS 1. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . 9 NOTES * Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining the Model DS-8. * The following accessories are supplied with DS-8 as the standard accessories. Owner's manual ! : 8288449000 (for export model) : 8288450000 (for domestic model) : 8270727003 (for USA/CND) : 8270727006 (for EUR) : 8270727007 (for UK) : 8270727010 (for JPN) AC adaptor AD-12A * Following is the packing material for the Model DS-8. Carton, inner, DS-8 Packing side, DS-8 Packing, AC, DS-8 : 8228734000 : 8228436000 : 8228437000 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 3 2 1 U31 GPIF37R1 1 3 INPUT5 (OPTICAL) 2 R35 3. 3K R37 jumper U2C 74HC04 5 R36 2. 2K DGND D+5 1 U41 GPIF37R1 3 INPUT6 (OPTICAL) 2 R46 2. 2K DGND D+5 C53 0. 1 1 U51 GPIF37R1 3 INPUT7 (OPTICAL) 2 R56 2. 2K DGND D+5 C63 0. 1 U61 GPIF37R1 1 3 INPUT8 (OPTICAL) 2 R66 2. 2K DGND DGND DGND J2 FPC-17P 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DGND D+5 DGND D+5 C43 0. 1 DGND D+5 6 C35 0. 1 U3C 74HC04 6 5 2 1 3 DGND U32 GPIF38T2 OUTPUT5 (OPTICAL) D2 LED R1 470 J1 YKB31-0012 DGND D+5 R45 3. 3K R47 jumper U2D 74HC04 9 8 C45 0. 1 U3D 74HC04 8 9 2 1 3 L2 jumper W4 L1 jumper W3 C1 10/35 U42 GPIF38T2 OUTPUT6 (OPTICAL) S1 D1 DIODE 3 2 1 IN5 IN1 IN6 IN2 IN7 IN3 IN8 IN4 OUT8 OUT1 OUT7 OUT2 OUT6 OUT3 OUT5 OUT4 4 DS-8 < REAR PANEL > < FRONT PANEL > 1. CONTROLS, INDICATORS & CONNECTORS 1. 4. 4 3 1 2 OUTPUT 1 INPUT 1 POWER SUPPLY 12V DC IN 8 7 5 6 9 4 3 1 2 OUTPUT 2 INPUT 2 7 8 4 3 1 2 7 5 6 6 OUTPUT 3 INPUT 3 5 8 7 5 6 8 1 2 4 3 OUTPUT 4 INPUT 4 4 5 6 8 7 INPUT 1, 2 (COAXIAL IN) Connector Input Impedance Normal Input Level Format INPUT 3 - 8 (OPTICAL IN) Connector Format OUTPUT 1, 2 (COAXIAL OUT) Connector Input Impedance Normal Input Level Format OUTPUT 3 - 8 (OPTICAL OUT) Connector Format DC IN SAMPLING FREQUENCY DIMENSIONS WEIGHT POWER REQUIREMENT S/P DIF OUTPUT 1 4 3 1 2 INPUT SELECTOR 3 OUTPUT 5 INPUT 5 2 8 7 4 3 2 1 5 6 7 OUTPUT 6 1 INPUT 6 8 7 4 3 2 5 6 1 7 OUTPUT 7 INPUT 7 6 8 7 5 6 INPUT SELECTOR [INPUT SELECTOR 1 - 8] Input connector 8 [S/P DIF INPUT 8] Output connector 8 [S/P DIF OUTPUT 8] Power switch / POWER LED [POWER] 1 2 4 3 INPUT 8 5 6 OUTPUT 8 RCA pin jack 75 0. 5 Vp-p S/P DIF (IEC60958 part 3) Square shape optical S/P DIF (IEC60958 part 3) RCA pin jack 75 0. 5 Vp-p S/P DIF (IEC60958 part 3) Square shape optical S/P DIF (IEC60958 part 3) 12 V (Inner: Plus, Outer: Minus) 32 kHz ~ 96 kHz 44 (H) x 482 (W) x 113 (D) mm 1. 4 kg (excluding accessories) JPN : 100 V AC USA/CND : 120 V AC UK/EUR : 230 V AC Fostex AC adaptor AD-12A Specifications and appearance are subject to change without notice for product improvement. 5. [. . . ] U001 U002, 003 U004 U011~061 U012~062 Part No. 8236 0074 01 8236 0812 00 8245 5530 10 8245 5520 10 Ref. D001 D002 D011, 021 D012, 022 Part No. [. . . ]