studer D950_DigAudioProc_Diagrams 电路图.pdf

RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 D19m Digital System Components Date printed: 14.03.02 CIRCUIT DIAGRAMS: D19m FRAMES 3U Frames D19m Rack Bus 5/15 .1.940.592 Back Plane (cannot be used with RCC and MP4RC cards).1.940.550 Back Plane .1.940.551 Power Supply 5 V/16 A.1.940.606 Power Supply 15 V/3.5 A.1.940.607 Supply Status Board.1.940.589 Supply Status Board.1.940.593 Power Distributor 15 V + Diode .1.940.623 Power Distributor 5/24 V + Diode .1.940.624 Supply Board.1.940.410 Supply Board, Redundant Output.1.940.411 Supply Board, Redundant Input.1.940.412 Control Connection.1.940.630 D19m Sync Receiver .1.940.557 Optical/Coax Interface.1.940.558 RS422-to-Optical Converter .1.940.577 RS422-to-Optical Converter .1.940.579 Fan Regulation.1.940.596 1U Frame Back Plane .1.940.553 Supply Board.1.940.578 D19m Digital System Components Date printed: 14.03.02 100.0 50.4 (10 M widths) 20.7 12.51.4 14.0 2.5 174.4 169.7 95.0 122.4 3HE (128.4) 16.0 112.0 max.39.3 POWER SUPPLY 5 V POWER SUPPLY UNITS GeneralFor the power supply of the D19m frames, standard 19 units with power factor correction are used, equipped with a Studer front panel (earlier version: see next page). Studer Part No.Description 1.940.606.00Power Supply 5 V/16 A 1.940.607.00Power Supply 15 V/3.5 A ImportantAs the power supply units are safety-relevant parts, they may be serviced only by authorized personnel using original spare parts. For replacement or repair, contact your nearest Studer representative. Specifications Mains Voltage88.264 V Mains Frequency45.65 Hz Efficiency 77% Output Power100 W total Output(s)Short-circuit protected, main output(s) overload protected (110%) Power Down (Logic Inhibit)Control input, 4.15 VDC, max. 15 mA, active high Power FailOutput, open collector, active high (max. 30 V/1 mA) Dimensions (mm) D19m Digital System Components Date printed: 14.03.02 Pin AssignmentPinSingle Output (1.940.606.00)Dual Output (1.940.607.00) 4+5 Vn.c. 6GNDn.c. 8Sense GNDn.c. 10Sense +n.c. 12 +5 V+15 V 14GNDGND 16n.c.GND 18n.c.15 V 20Logic inhibitLogic inhibit 22CommonCommon 24Power failPower fail 26n.c.n.c. 28AC liveAC live 30AC neutralAC neutral 32AC Protective EarthAC Protective Earth Connections Current Version:The current versions of the 3U frames use one power supply unit 1.940.606 (+5 V) and 1.940.607 (15 V) each, together with one of the Supply Boards 1.940.410 (single frame), 1.940.411 (frame with redundant supply output), or 1.940.412 (frame with redundant supply input). Earlier Version:In earlier versions of the 3U frames, one power supply unit 1.940.601 (+5 V) and 1.940.602 (15 V) each was used. For connection, a Supply Status Board (1.940.589 or 1.940.593) was used, together with one Power Distributor +5/24 V w. Diode PCB (1.940.624), and one Power Distributor 15 V w. Diode PCB (1.940.623). 4 8 12 16 20 24 28 32 6 10 14 18 22 26 30