IRT DVA-4004 Instruction Manual Download

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4004-dva.ib.rev0.doc

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15/10/2007

IRT Eurocard Type

DVA-4004

Serial Digital Distribution Amplifier

I R T Electronics Pty Ltd A.B.N. 35 000 832 575

26 Hotham Parade, ARTARMON N.S.W. 2064 AUSTRALIA
National: Phone: (02) 9439 3744

Fax: (02) 9439 7439

International:

+61 2 9439 3744

+61 2 9439 7439

Email: [email protected]
Web: www.irtelectronics.com

Designed and manufactured in Australia

IRT can be found on the Internet at:

http://www.irtelectronics.com

Summary of Contents for DVA-4004

Page 1: ...Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 02 9439 3744 Fax 02 9439 7439 International 61 2 9439 3744 61 2 9439 7439 Email sales irtelectronics com Web...

Page 2: ...er than S N 0509001 Operational Safety WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions danger...

Page 3: ...transistor circuit The DVA 4004 is built in 3U extended Eurocard 220 mm x 100 mm module designed to mount in the IRT FRU 3000 and FRU 1030 family of Eurocard frames Functional Block Diagram Applicatio...

Page 4: ...0 Mb s lock selected LED green 270 360 Mb s lock selected LED yellow 360 Inverted signal LED yellow INV Power requirement Voltage 28 Vac CT 14 0 14 Vac or 16 Vdc Consumption 2 5 VA 80 mA General Tempe...

Page 5: ...signal path and the signal path to output 1 on the rear panel with this relay energised by the 5 volts supply the input and output circuits are completed to provide normal operation of the DVA 4004 Wh...

Page 6: ...me is connected to earth for safety reasons See frame manual for details Signal earth For safety reasons a connection is made between signal earth and chassis earth No attempt should be made to break...

Page 7: ...drawings are not to scale and are intended to show relative positions of connectors indicators and controls only DC 360 INV 270 SIG DVA 4004 N140 OUTPUT MON INVERT NORMAL J1 SK8 BYPASS ON POWER FAIL...

Page 8: ...extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment...

Page 9: ...4004 dva ib rev0 doc Page 9 of 9 15 10 2007 Drawing List Index Drawing Sheet Description 805074 1 DVA 4004 serial digital VDA schematic diagram...

Page 10: ...32A 32B 25A 16A 16B 28B 29A 29B P1 AC1 AC2 AC3 AC4 Power Supply circuit 805074s4 sch MON O P 5V SIGNAL 5V PRESENT 2 1 R45 560R 3 1 2 LK2 1 2 C10 4u7 2 1 LD5 grn 1 2 L5 1 2 C46 10nF 3 8 RL2A V23026 10...