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Summary of Contents for Leitch FR-684AV
- Page 1 Installation and Operation Manual 680 Series Video Distribution Amplifiers Edition N 680MAN Delivering the Moment...
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Page 2: Contact Information
Publication Information © 2014 Imagine Communications Corp. Proprietary and Confidential. Imagine Communications considers this document and its contents to be proprietary and confidential. Except for making a reasonable number of copies for your own internal use, you may not reproduce this publication, or any part thereof, in any form, by any method, for any purpose, or in any language other than English without the written consent of Imagine Communications. - Page 3 680 Series Video Distribution Amplifiers Installation and Operation Manual Edition N July 2007...
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Page 5: Table Of Contents
Overview ......................1 Mounting Requirements.................. 2 FR-683 Video DA Mounting Frame ............2 FR-684 Video DA Mounting Frame ..........3 FR-684AV Audio/Video DA Mounting Frame ......4 Frame Cooling ..................4 Power Consumption ................5 PS-684 Power Supply ................. 6... - Page 6 Frame Specifications ..................32 Mounting Frame ............. 32 FR-683 Mounting Frames .......... 32 FR-684/FR-684AV Module Specifications .................. 33 UDA-683 Utility Video Distribution Amplifier Modules ....33 VDA-683 Differential Input Video Distribution Amplifier Modules ... 34 VEA-683 Video Equalizing Amplifier Modules ........35 VEA-684 Video Equalizing Amplifier Modules ........
- Page 7 Contents Appendix A: Safety Precautions, Certifications, and Compliances Overview ....................... 43 Safety Terms and Symbols in this Manual ........... 44 Safety Terms and Symbols on the Product ........... 44 Preventing Electrostatic Discharge .............. 45 Injury Precautions ..................45 Product Damage Precautions ................ 46 EMC and Safety Standards ................
- Page 8 Contents 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 9: Preface
Preface Manual Information Purpose This manual details the features, installation, operation, maintenance, and specifications for the 680 series video distribution amplifers. Audience This manual is written for technicians and operators responsible for installation, setup, maintenance, and/or operation of the product, and is useful to operations personnel for purposes of daily operation and reference. - Page 10 Preface Table P-1. Revision History of Manual (Continued) Edition Date Comments • Added VEH-683 Edition I February 2002 • Removed obsolete products • Changed specifications for VEH-683 Edition J July 2002 • Removed obsolete products • Corrected VDA-683, VEA-683, and VPD-683 sections •...
- Page 11 Preface Writing Conventions To enhance your understanding, the authors of this manual have adhered to the following text conventions: Table P-2. Writing Conventions Term or Description Convention Bold Indicates dialog boxes, property sheets, fields, buttons, check boxes, list boxes, combo boxes, menus, submenus, windows, lists, and selection names Italics Indicates email addresses, the names of books or publications,...
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Page 12: Unpacking/Shipping Information
Preface Unpacking/Shipping Information Unpacking a Product This product was carefully inspected, tested, and calibrated before shipment to ensure years of stable and trouble-free service. 1. Check equipment for any visible damage that may have occurred during transit. 2. Confirm that you have received all items listed on the packing list. 3. -
Page 13: Standards
Preface Standards Appendix A: “Safety Precautions, Certifications, and Compliances” contains product compliance and safety standards. Restriction on Hazardous Substances (RoHS) Compliance Directive 2002/95/EC—commonly known as the European Union (EU) Restriction on Hazardous Substances (RoHS)—sets limits on the use of certain substances found in electrical and electronic equipment. - Page 14 Preface Waste from Electrical and Electronic Equipment (WEEE) Compliance The European Union (EU) Directive 2002/96/EC on Waste from Electrical and Electronic Equipment (WEEE) deals with the collection, treatment, recovery, and recycling of electrical and electronic waste products. The objective of the WEEE Directive is to assign the responsibility for the disposal of associated hazardous waste to either the producers or users of these products.
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Page 15: Safety
Preface Safety Carefully review all safety precautions to avoid injury and prevent damage to this product or any products connected to it. You will find a complete list of safety precautions in Appendix A. Any user-serviceable components (such as fuses or batteries) are only replaceable by those components listed in the manual. - Page 16 Preface 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 17: Overview
• The FR-684 can house a mix of up to ten 8-outputs 680 series DAs. • The FR-684AV can house five 680 series video DAs and five 880 series audio DAs. 680 Series Video Distribution Amplifiers Installation and Operation Manual... -
Page 18: Chapter 1: 680 Series Mounting Frames
Chapter 1: 680 Series Mounting Frames Mounting Requirements FR-683 Video DA Mounting Frame Figure 1-1. FR-683 Front View Figure 1-2. FR-683 Rear View The FR-683 Video DA mounting frame requires 1 unit of rack space: 1¾ in. (44 mm) high × 19 in. (483 mm) wide × 12½ in. (317 mm) deep, as shown in Figure 1-1. -
Page 19: Fr-684 Video Da Mounting Frame
Chapter 1: 680 Series Mounting Frames FR-684 Video DA Mounting Frame Figure 1-3. FR-684 Front View Figure 1-4. FR-684 Rear View The FR-684 Video DA mounting frame requires 2 units of rack space: 3½ in. Note (88 mm) high × 19 in. (483 mm) wide × 12½ in. (317 mm) deep. The FR-684 accepts up to ten 680 series video distribution amplifiers with There is a prewired option for an optional second 684PS... -
Page 20: Fr-684Av Audio/Video Da Mounting Frame
Figure 1-5. FR-684AV Front View Figure 1-6. FR-684AV Rear View The FR-684AV Audio/Video DA mounting frame requires 2 units of rack space: Note 3½ in. (88 mm) high × 19 in. (483 mm) wide × 12½ in. (317 mm) deep. -
Page 21: Power Consumption
Frame Nominal Power Consumption FR-683 10 VA FR-684 25 VA FR-684AV < 30 VA Table 1-2 lists the nominal power consumption for each module. Table 1-2. Nominal Power Consumption for Each Video DA Module Video DA Module Nominal Power Consumption UDA-683 <... -
Page 22: Ps-684 Power Supply
Chapter 1: 680 Series Mounting Frames PS-684 Power Supply The model 684PS power supply is a two-stage switching power supply that provides the following outputs: +13V @ 1.5A –13V @ 1.5A Initial design criteria focused on maximizing efficiency and minimizing individual component temperature rise. -
Page 23: Overview
Chapter 2 UDA-683 Utility Video Distribution Amplifier Modules Overview Figure 2-1. UDA-683 Utility Video DA The UDA-683 is a low-cost, utility video distribution amplifier for monitoring and other distribution requirements where features such as differential input, cable equalization, or clamping are not required. It can also be used for subcarrier distribution. -
Page 24: Chapter 2: Uda-683 Utility Video Distribution Amplifier Modules
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. -
Page 25: Configuration
Chapter 2: UDA-683 Utility Video Distribution Amplifier Modules Configuration AC Coupling If AC coupling is required, the 0Ω resistor (R19) must be removed and the optional 22μF/16V(SMT 7343) input coupling capacitors (C18 and C20) must be installed. This is shown in Figure 2-3. - Page 26 Chapter 2: UDA-683 Utility Video Distribution Amplifier Modules 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 27: Overview
Chapter 3 VDA-683 Differential Input Video Distribution Amplifier Modules Overview Figure 3-1. VDA-683 Differential Input Video Distribution Amplifier The VDA-683 is a high performance, high reliability, cost efficient, general purpose analog video distribution amplifier. This distribution amplifier features one differential input, eight outputs, gain adjusting with a range of –3dB to +3 dB, and high frequency response adjustment on the front edge of the board. -
Page 28: Chapter 3: Vda-683 Differential Input Video Distribution Amplifier Modules
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. -
Page 29: Operation
Chapter 3: VDA-683 Differential Input Video Distribution Amplifier Modules Operation Two potentiometers are located at the front-edge of the module: GAIN and RESPONSE. • A multi-turn GAIN potentiometer provides adjustment of over a range of –3 to +3dB. The gain is increased when this potentiometer is adjusted clockwise. - Page 30 Chapter 3: VDA-683 Differential Input Video Distribution Amplifier Modules 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 31: Chapter 4: Vea-683 Video Equalizing Distribution Amplifier Modules
Chapter 4 VEA-683 Video Equalizing Distribution Amplifier Modules Overview Figure 4-1. VEA-683 Video Equalizing Amplifier Module The VEA-683 is a high performance, high reliability equalizing analog video distribution amplifier. This distribution amplifier features one differential input, eight outputs, ±3dB gain adjust range, response adjustment in the front edge of the board, and cable equalization. -
Page 32: Functional Block Diagram
Chapter 4: VEA-683 Video Equalizing Distribution Amplifier Modules Functional Block Diagram Figure 4-2. VEA-683 Functional Block Diagram The VEA-683 can compensate various types of cables with different EQ network submodules installed in the main card by manufacturer. The following modules are available according to cable type: Table 4-1. -
Page 33: Installation
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. - Page 34 Chapter 4: VEA-683 Video Equalizing Distribution Amplifier Modules 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 35: Overview
Chapter 5 VEA-684 Video Equalizing Distribution Amplifier Modules Overview INPUT COUPLING SETTING FOR J2 AND J3 CLAMP MODE FOR J1 NO CLAMP HARD SOFT VEA-684-RMV VEA-684 VPD-683-D VPD-683-XEQ VPD-683-CLP VPD-683-DEQ -RMV Figure 5-1. VEA-684 Video Equalizing Amplifier The VEA-684 is a high performance, high reliability, and full-featured equalizing video distribution amplifier. -
Page 36: Chapter 5: Vea-684 Video Equalizing Distribution Amplifier Modules
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. -
Page 37: Configuration
Chapter 5: VEA-684 Video Equalizing Distribution Amplifier Modules Configuration Input Coupling Clamp Mode HARD SOFT CLAMP INPUT COUPLING SETTING FOR J2 AND J3 CLAMP MODE FOR J1 NO CLAMP HARD SOFT VEA-684-RMV VEA-684 VPD-683-D VPD-683-XEQ VPD-683-CLP VPD-683-DEQ -RMV Figure 5-3. Coupling and Clamp Configuration Options Input Coupling If AC coupling is required, J2 and J3 should be in the upper position. -
Page 38: Operation
Chapter 5: VEA-684 Video Equalizing Distribution Amplifier Modules Operation These three potentiometers are located at the front edge of the module: GAIN, EQ, and RESPONSE. • A multi-turn potentiometer GAIN, R5, allows for adjustment to the gain over a range of ±3dB. The gain is increased when this potentiometer is adjusted clockwise. -
Page 39: Chapter 6: Vpd-683-Clp Programmable Video Distribution Amplifier Modules
Chapter 6 VPD-683-CLP Programmable Video Distribution Amplifier Modules Overview INPUT COUPLING SETTING FOR J2 AND J3 CLAMP MODE FOR J1 NO CLAMP HARD SOFT HARD CLIP VEA-684-RMV LUM CLIP VEA-684 VPD-683-D VPD-683-XEQ VPD-683-CLP VPD-683-DEQ -RMV Figure 6-1. VPD-683-CLP Video Equalizing DA with Hard and Soft White Clip VPD-683-CLP programmable video distribution amplifier modules are high performance, high reliability, specialized function distribution amplifiers for some common distribution amplifier applications. -
Page 40: Functional Block Diagram
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. -
Page 41: Configuration
Chapter 6: VPD-683-CLP Programmable Video Distribution Amplifier Modules Configuration 1. Set the input coupling for either AC or DC coupling on Jumpers J1 and J2 (see Figure 6-3). 2. Set the clamping mode on Jumper J3 to either Soft Clamp, Hard Clamp, or No Clamp (see Figure 6-3). - Page 42 Chapter 6: VPD-683-CLP Programmable Video Distribution Amplifier Modules Figure 6-4. VPD-683-CLP Gain, Equalization, and Frequency Response Adjustments 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 43: Chapter 7: Veh-683 Wideband Video Distribution
Chapter 7 VEH-683 Wideband Video Distribution Amplifier Modules Overview Figure 7-1. VEH-683 Wideband Video Distribution Amplifier Module The VEH-683 is a differential, 8-output, wide bandwidth (100 MHz), video distribution amplifier. It provides cable equalization up to 325 ft (100 m) of Belden 8281 cable or equivalent, and output clamping. -
Page 44: Installation
FR-684 – 10 video DA modules mounting frame • FR-684AV – 5 video and 5 audio DA modules mounting frame There is no need to terminate unused outputs, but a perfect response can be obtained if unused outputs are terminated. - Page 45 Chapter 7: VEH-683 Wideband Video Distribution Amplifier Modules Figure 7-2. Waveform for Clamp Setting 2. Set jumper J1 on either “soft clamp” or “hard clamp.” 3. Observe the waveform of the output signal on the screen of the oscilloscope and make sure that the blanking level of the output signal is within ±25 mV (see Figure 7-3).
- Page 46 Chapter 7: VEH-683 Wideband Video Distribution Amplifier Modules 680 Series Video Distribution Amplifiers Installation and Operation Manual...
- Page 47 Mounting frames • “FR-683 Electrical Specifications” on page 32 • “FR-683/FR-683AV Mechanical Specifications” on page 32 • “FR-684/FR-684AV Electrical Specifications” on page 32 • “FR-684/FR-684AV Mechanical Specifications” on page 32 • Modules • “UDA-683 Utility Video Distribution Amplifier Modules” on page 33 •...
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Page 48: Chapter 8: Specifications
Width 19 in. (483 mm) Depth from mounting surface 12½ in. (317 mm) Nominal weight (with modules) 12.7 lb (5.8 kg) FR-684/FR-684AV Mounting Frames Table 8-3. FR-684/FR-684AV Electrical Specifications Item Specification Voltage 90–135 VAC (684PS–120V) 190–265 VAC (684PS–240V) Frequency 50/60 Hz Power 50 VA max. -
Page 49: Module Specifications
Chapter 8: Specifications Module Specifications UDA-683 Utility Video Distribution Amplifier Modules Table 8-5. UDA-683 Input Specifications Item Specification Video input level 1 Vp-p nominal Maximum input level 2.5 Vp-p centered at 0 volt Input impedance 75Ω looping Input return loss >... -
Page 50: Vda-683 Differential Input Video Distribution Amplifier Modules
Chapter 8: Specifications VDA-683 Differential Input Video Distribution Amplifier Modules Table 8-10. VDA-683 Input Specifications Item Specification Video input level 1 p-p nominal Maximum input level 2.5 Vp-p Input impedance 75Ω bridging Input return loss > 40 dB to 20 MHz Coupling Common mode rejection ratio >... -
Page 51: Vea-683 Video Equalizing Amplifier Modules
Chapter 8: Specifications Table 8-14. VDA-683 Power Requirements Specifications Item Specification Power dissipation < 2 W VEA-683 Video Equalizing Amplifier Modules Table 8-15. VEA-683 Input Specifications Item Specification Video input level 1 Vp-p nominal Maximum input level 2.5 Vp-p centered at 0V Input impedance 75Ω... -
Page 52: Vea-684 Video Equalizing Amplifier Modules
Chapter 8: Specifications Table 8-18. VEA-683 Equalization Specifications Item Specification Range 0–984 ft (0–300 m) Belden 8281 cable 0–656 ft (0–200 m) Belden 8241 cable 0–820 ft (0–250 m) Belden 1505A cable 0–984 ft (0–300 m) Belden 1694A cable 0–656 ft (0–200 m) PSF 1/3 cable Response <... - Page 53 Chapter 8: Specifications Table 8-23. VEA-684 Performance Specifications Item Specification ± 3.0 dB Gain range < ±0.05 dB to10 MHz Frequency response < ±0.2 dB to 20 MHz –3 dB at 40 MHz typically Differential gain (10–90% APL) < 0.15% Differential phase (10–90% APL) <...
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Page 54: Vpd-683-Clp Programmable Video Distribution Amplifiers
Chapter 8: Specifications VPD-683-CLP Programmable Video Distribution Amplifiers Table 8-28. VPD-683-CLP Input Specifications Item Specification Video input level 1 Vp-p nominal Maximum video input level 2.5 Vp-p centered at 0V Input impedance 75Ω bridging Coupling DC and AC jumper selectable Input return loss >... -
Page 55: Veh-683 Wideband Video Distribution Amplifier Modules
Chapter 8: Specifications Table 8-30. VPD-683-CLP Performance Specifications Item Specification Differential gain < 0.25% Differential phase < 0.25° Propagation delay 24 ± 1.0 ns Table 8-31. VPD-683-CLP Clamp Specifications Item Specification Clamping accuracy < ±25 mV APL effect < ±5 mV 10–90 APL Time constant 3 lines and 7 lines selectable Table 8-32. - Page 56 Chapter 8: Specifications Table 8-35. VEH-683 Output Specifications Item Specification Output number Output impedance 75Ω Output return loss 45 dB/5 MHz 35 dB/20 MHz 25 dB/100 MHz Maximum output level 2.6 Vp-p Output isolation 45 dB/5 MHz Output delay match ±0.3°...
- Page 57 Chapter 8: Specifications Table 8-36. VEH-683 Performance Specifications Item Specification Gain 0 ± 0.1 dB Gain adjust range ±3 dB normal Frequency response ±0.1 dB DC-20 MHz ±0.5 dB 20-60 MHz –3 dB 100 MHz < 0.15% < 0.15° 75 dB/5 MHz >55 dB/100 MHz Tilt <...
- Page 58 Chapter 8: Specifications 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 59: Appendix A: Safety Precautions, Certifications, And Compliances
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A Safety Precautions, Certifications, and Compliances Overview Carefully observe the safety alert symbols below for dangers, warnings, and cautions. They alert installers and operators of possible dangers or important information contained in this manual. -
Page 60: Safety Terms And Symbols In This Manual
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances Safety Terms and Symbols in this Manual WARNING Statements identifying conditions or practices that may result in personal injury or loss of life. High voltage is present. -
Page 61: Preventing Electrostatic Discharge
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances Preventing Electrostatic Discharge Observe precautions for handling electrostatic sensitive devices. CAUTION: Electrostatic discharge (ESD) can damage components in the product. To prevent ESD, observe these precautions when directed to do so: 1. -
Page 62: Product Damage Precautions
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances Do Not Operate Without Covers To avoid electrical shock or fire hazard, do not operate this product with covers or panels removed. Use Proper Fuse To avoid fire hazard, use only the fuse type and rating specified for this product. - Page 63 Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances FUSE: REPLACE WITH SAME TYPE AND RATING OF FUSE. CAUTION: REPLACE WITH SAME TYPE FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE.
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Page 64: Emc And Safety Standards
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances EMC and Safety Standards This product has been tested and found to comply with the following IEC, FCC, UL, ICES, and CSA standards, per the provision of the Electromagnetic Compatibility Directive 89/336/EEC of 3 May 1989 as amended by 92/31EEC of 28 April 1992 and 93/68/EEC, Article 5 of 22 July 1993, and the Low Voltage Directive 73/23/EEC of 19 February... -
Page 65: Additional Emc Information
2. These devices will accept any interference received, including interference that may cause undesired operations. Changes or modifications not expressly approved by Leitch Technology,™ the party responsible for compliance to the FCC Part 15 Rule, could void the user’s authority to operate this equipment legally in the United States. -
Page 66: Safety Standards
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Appendix A: Safety Precautions, Certifications, and Compliances Safety Standards Table A-2. Harmonized and Reference IEC Safety Standards Harmonized Standard Reference IEC Standard Description EN 60950:1992 with IEC 60950:1991 (Modified) Safety of Information Technology Equipment Am1, Am 2, Am 3, Am4, A11 amendments... -
Page 67: Appendix B: Installing The 684Ps-48
Appendix B Installing the 684PS-48 To reduce the risk of electric shock or energy hazards, follow these steps: 1. Connect the 684PS-48 to a reliably grounded SELV source or a centralized DC source. 2. The branch circuit overcurrent protection must be rated a maximum 15A circuit breaker in series with a maximum 5A listed fuse. -
Page 68: Branch Circuit Schematic
Appendix B: Installing the 684PS-48 Branch Circuit Schematic Description The 684PS-48 power supply differs from other power supplies in that it depends on a facility’s installed circuit breaker/fuse to disconnect power to the frame. Figure B-1. Typical Branch Circuit Drawing Suggested Protection Devices Suggested Breaker Switch Type Eaton Heinemann, Series AM/S, part # AM1S-B2-A-A-02J-H-A-52-NO-10-10... -
Page 69: Maintaining The 684Ps-48
Appendix B: Installing the 684PS-48 Maintaining the 684PS-48 Power Supply Replacement Fuse Information The replacement fuse (F1) for the 684PS-48 is a Wickmann 19194-2.5 A, 250 V use. For continued protection against fire, replace only with the same type and rating of fuse. Connections and Specifications Power Supply Connections Use the XLR connector at the back of the power supply or frame (if the... - Page 70 Appendix B: Installing the 684PS-48 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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Page 71: Appendix C: Universal Power Supply Installation And Replacement
Appendix C Universal Power Supply Installation and Replacement Overview This document describes the installation or replacement procedure for the universal power supply. The universal AC input power supply replaces older power supplies that used an AC Input Voltage input selector switch. A “universal” indicator has been added the silk screening on the front of the supply to distinguish between the old and new power supplies. -
Page 72: Replacing A Frame's Power Supply
Appendix C: Universal Power Supply Installation and Replacement Replacing a Frame’s Power Supply 1. Disconnect both power cords from the frame. Note 2. Locate the power supply you need to replace at the back of the unit and remove the safety screw for that power supply from the back of the frame. You can replace the power supply while the frame is 3. -
Page 73: Index
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Index Keywords FR-683 FR-684 Block diagrams FR-684AV UDA-683 power consumption VDA-683 power supply VEA-683 specifications VEA-684 FR-683 VPD-683-CLP FR-684 Configuration FR-684AV UDA-683 VEA-684 VEH-683 28–29 Injury precautions VPD-683-CLP 25–26 Installation Differential input video distribution amplifier. - Page 74 Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Index specifications safety terms and symbols on the product 34–35 VEA-683 Specifications block diagram frames description FR-683 equalization cable types FR-684 installation FR-684AV operation modules specifications UDA-683 35–36 VEA-684 VDA-683 34–35 block diagram VEA-683 35–36 description VEA-684 36–37...
- Page 75 Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Index Video equalizing distribution amplifier. See VEA-683 and configuration 25–26 VEA-684 description Video equalizing distribution amplifier. See VEA-683 installation and VEA-684 specifications 38–39 VPD-683-CLP Wideband video distribution amplifier. See VEH-683 block diagram 680 Series Video Distribution Amplifiers Installation and Operation Manual...
- Page 76 Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute. Index 680 Series Video Distribution Amplifiers Installation and Operation Manual...
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