studer D950_DigAudioProc_Diagrams 电路图.pdf

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1、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

2、 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 Con

3、trol 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 10

4、0.0 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 ne

5、xt 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 Stude

6、r 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

7、, 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 22Commo

8、nCommon 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.

9、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