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NV1023 SDIF-2 Distribution Amplifier 1

CONTENTS: 1. GENERAL DESCRIPTION

2. CONFIGURATION AND

INSTALLATION

3. OPERATION

4. FUNCTIONAL DESCRIPTION

5. MAINTENANCE AND

TROUBLESHOOTING

6. DRAWINGS AND SCHEMATICS

7. APPENDICES AND CHANGE

INFORMATION

Nvision@

NV1023 Instruction Manual

SDIF-2 Distribution Amplifier

Manual Part No. MI1023-01

April, 1996

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Содержание NV1023

Страница 1: ...N 2 CONFIGURATION AND INSTALLATION 3 OPERATION 4 FUNCTIONAL DESCRIPTION 5 MAINTENANCE AND TROUBLESHOOTING 6 DRAWINGS AND SCHEMATICS 7 APPENDICES AND CHANGE INFORMATION Nvision NV1023 Instruction Manua...

Страница 2: ...le for 75 ohms or high impedance Level TTL Data Rate SDIF 2 Word Clock 28 kHz 54 kHz typical Outputs Number 4 Impedance Low Level TTL Mechanical Size 90 mm x 25 mm x 370 mm 3 1 2 x 1 x 14 1 2 Power So...

Страница 3: ...n the rear of any of the 12 active module slots in an NV1000 terminal equipment frame Assembly FR1000 provides the connection interface for external signal cables Figure 1 illustrates the NV1023 inter...

Страница 4: ...d at the far end with 75 ohms Connections within the daisy chain must loop through equipment that has low input return loss and whose input impedances are high relative to the cable s characteristic i...

Страница 5: ...e Termination High Impedance Termination NV102x Distribution Amplifiers x3 Figure 2 Poor Signal Loop Through Methodology 50 meters 150 feet 0 5 meters 1 5 feet 0 5 meters 1 5 feet SDIF 2 Source High I...

Страница 6: ...ance 3 4 Configures NV1023 for high input Z for loop through applications SDIF 2 Source Figure 4 Increasing Signal Fan Out Capability Using Multiple DAs To additional DAs 6 8 total with cable terminat...

Страница 7: ...the following procedure a Install the EM0104 backplane with the screws loose b Plug the active module into the loose backplane c With the active module inserted tighten the screws securing the backpl...

Страница 8: ...age Jumper J1 provides a means for selecting the input termination resistance 75 ohms for terminating coaxial cables or high impedance for loop through applications Resistor R5 and voltage reference d...

Страница 9: ...ing steps will help isolate or eliminate it 1 Assure normal NV1000 system power distribution as follows a Observe the green LED on the PS2001 power supply module If illuminated the line side of the su...

Страница 10: ...are not present find the faulty component or connection and replace or repair it d If the proper voltages are present on the module trace the digital audio signal through the module using an oscillos...

Страница 11: ...that pertain to the NV1023 SDIF 2 Distribution Amplifier are located here Additional system information may be found in the Appendix at the rear of the NV1000 Operations Manual Reviewing these materi...

Страница 12: ...12 NV1023 SDIF 2 Distribution Amplifier...

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