Niles TVA-50 Скачать руководство пользователя страница 10 | Manualshive

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Speaker (A)

Speaker (A) Out

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Whole House Receiver

TV - Local Room

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TV Variable

Line Out

TV - Power
Cord

To Current Sensing Outlet

TVA-50

To Unswitched
Outlet

To Speaker (A) Input

Figure 5

TV current sense with one speaker pair and a TV lift

IR Remote

12VDC Trigger
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Niles MSU480

12VDC

Niles IR

Flasher

Right

Left

DS00395ACA-TVA50.qxp 6/1/04 9:51 AM Page 9

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Содержание TVA-50

Страница 1: ...STEREO AMPLIFIER AUTOMATED SWITCHER TVA50 B L E N D I N G H I G H F I D E L I T Y A N D A R C H I T E C T U R E I N S T A L L A T I O N O P E R A T I O N G U I D E DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 28 ...

Страница 2: ...h the manufacture s instructions 8 Do not install near any heat source such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third p...

Страница 3: ...objects filled with liquids such as vases should not be placed on this apparatus 15 To completely disconnect this equipment from the main disconnect the power supply cord plug from the receptacle CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER NO USER SERVICE ABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION The lightning flash with arrowhead symbol within...

Страница 4: ...rce When the device TV is turned OFF the speakers are switched back to the main system s audio program The TVA50 delivers the quality of audio amplification needed to match the high performance amplifiers used in whole house systems The TVA50 is also the perfect companion for added flexibility in whole house systems using Niles SI Series Multi Channel Amplifiers or ZR Series Multi Zone Receivers W...

Страница 5: ...whole house and the local source Trigger In The presence of 3 30VAC DC at the TRIGGER IN terminal switches the TVA50 to the local source 12VDC Trigger Out Any time the TVA50 is switched to local source a 12VDC 200mA trigger voltage is emitted and can be used to control other devices Volume Control Adjusts the TVA50 amplifier output level Multiple Speaker Pairs The TVA50 allows automated switch ing...

Страница 6: ...resent 4 12V Trigger OUT 3 5mm mini phone jack 12VDC 200mA control output for automated control of lifts screens drapes etc 5 Audio Line IN Gold plated RCA type connectors Local source input TVA50 switches to this input in either current sense or 12V Trigger IN modes 6 Volume Control Adjusts TVA50 amplifier output level 7 Speaker A Input Output Four pin speaker connector plugs Screwless and remova...

Страница 7: ...6 S T E R E O A M P L I F I E R A U T O M A T E D S W I T C H E R Figure 1 Figure 2 2 1 3 4 5 6 7 8 DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 6 ...

Страница 8: ...o Speaker A Input Right Left Whole House Receiver TV Local Room Right Left TV Variable Line Out TV Power Cord To Current Sensing Outlet TVA 50 To Unswitched Outlet Speaker A Out Figure 3 TV current sense with one speaker pair Right Left DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 7 ...

Страница 9: ...ceiver TV Local Room Right Left TV Variable Line Out TV Power Cord To Current Sensing Outlet TVA 50 To Unswitched Outlet To Speaker A Input Figure 4 TV current sense with two pair of 8 ohm speakers To Speaker B Input Speaker B Out Left Right Speaker B Left Right Right Left DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 8 ...

Страница 10: ...TV Local Room Right Left TV Variable Line Out TV Power Cord To Current Sensing Outlet TVA 50 To Unswitched Outlet To Speaker A Input Figure 5 TV current sense with one speaker pair and a TV lift IR Remote 12VDC Trigger out to TV lift Niles MSU480 12VDC Niles IR Flasher Right Left DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 9 ...

Страница 11: ...10 S T E R E O A M P L I F I E R A U T O M A T E D S W I T C H E R Figure 6 Bottom of the unit with measurements for wall mounting 5 7 16 4 15 16 DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 10 ...

Страница 12: ...nto the connectors Type of Audio Cable Shielded stereo audio cables with quality gold plated connec tors are recommended Use low capacitance cables for runs that exceed 15 to minimize signal loss Wire runs greater than 50 are recommended only with cable that has been specifical ly designed for such applications Contact your cable manufac turer for a specific cable recommendation when wire runs exc...

Страница 13: ...Level Outputs To control the TV volume through the speakers the variable output on the TV must be connected to the TVA50 Line IN Using Volume Controls Depending on your installation in wall volume controls may be used to control the speaker level Connect the in wall volume control to the TVA50 speaker output This requires use of the fixed output on the TV In this application volume for all sources...

Страница 14: ...stem has been designed test the system design prior to installation to assure performance and eliminate time wasted running around shopping for parts not speci fied or missing 3 Run all necessary wiring to the TVA50 local source and speakers Label the wires for future reference Adjusting Current Sensitivity The current sensing capability of the TVA50 is adjustable via a recessed screw located on t...

Страница 15: ...e 7 provides a visual indication of the local switching When the TVA50 switches to the local input the Power Active LED will change from red to green 4 Cycle the power of the local source component on and off Adjust the sensitivity setting of the TVA50 until the internal relay switches reliably NOTE The TVA50 may be set to operate continuously by turning the sensitivity screw fully counterclockwis...

Страница 16: ...connections Horizontal Shelf Mount Install the supplied self adhesive rubber feet to the bottom of the TVA50 The unit can be placed on top of a shelf in a wall unit or equipment cabinet Nothing should be placed on top of the unit Vertical Wall Mounting The unit can also be attached to the side wall or back panel of a wall unit or equipment cabinet using the keyholes on the back of the TVA50 1 Usin...

Страница 17: ...peaker pairs Figure 4 repeat steps 1 4 above for SPEAKER B IN NOTE 2 Maintain proper polarity Connect the positive terminals on the TVA50 to the positive terminals on the whole house ampli fier Connect the negative terminals on the TVA50 to the negative terminals on the whole house amplifier To help you avoid improp er phasing the connector plug is keyed Insert the smooth side of the connector plu...

Страница 18: ... pairs 8 ohm speakers must be used Connect Local Source A common application for the TVA50 is to be able to switch the speakers used in a whole house audio system to a TV in a local room In order to be able to adjust the volume when switched to a local TV it is necessary to use the variable line level output of the TV when connecting to the TVA50 Doing so will allow the user to adjust the volume u...

Страница 19: ... stereo Line IN The TVA50 will also switch to Line IN when 3 30VAC DC is applied to the Trigger IN Current Sensing Plug the AC power cord of the TV into the Current Sensing AC outlet on the TVA50 Volume Calibration The volume control on the TVA50 adjusts the amplifier output level when switched to the local device Line IN Turning the volume control clockwise will increase volume turning coun tercl...

Страница 20: ...he TV all the way up Use the on screen volume bar or numeric display for reference 4 Slowly turn the volume control on the TVA50 clockwise until the audio from the TV is coming out of the speakers at the loudest level that will ever be used If the sound is distorted reduce TV volume This will be the maximum level the TV will play through the TVA50 and speakers 5 Reduce TV volume to a normal listen...

Страница 21: ...l in a given room There are two options for using volume controls with the TVA50 Both of these examples assume use of a multi channel audio distribu tion amplifier such as the Niles SI 1260 Example1 In Wall Volume Control With a Variable Output Device When switching to a variable output device such as a TV with the TVA50 the volume control for the whole house system should be installed between the...

Страница 22: ... and impedance magnifying settings on the volume controls to assure proper per formance Exceeding this load will cause the TVA50 to go into pro tection and shut down 12V Trigger Out The TVA50 has a 12VDC 200mA Trigger OUT that will be acti vated in the current sense mode or when 3 30V AC DC is detected on the Trigger IN terminal This Trigger OUT voltage can be used to control 12VDC controlled devi...

Страница 23: ... inconspicuously mounted in the lift cabinet and properly configured for control of the TV hidden inside the TV power ON command from an IR remote control will turn the TV on The TVA50 current sensing outlet will detect the change in current draw switch the local room speakers to TV and send a 12VDC Trigger OUT to the lift and automatically raise the TV out of the cabinet all from just the ON comm...

Страница 24: ... trigger No audio output A pair B pair whole house nonswitched mode Is the POWER ACTIVE LED Red Are the speakers connected to the TVA50 Are the 4 pin speaker connector plugs IN OUT A B properly seated Is the speaker wire properly stripped Are the lock tabs snapped down Is the whole house audio source ON and playing Is the volume up on the whole house system If using an in wall volume control is it...

Страница 25: ...old plated RCA SPEAKER All Screwless 4 pin plug in AC IN IEC type three prong Current Sensing Outlet Wire requirements 14 16 gauge two con ductor speaker wire for all speaker level connections Trigger voltage IN 3 30VAC DC Trigger voltage OUT 12VDC 200mA AC requirement 120V 60Hz Input sensitivity 500mV full output Dimensions 2 1 4 H x 8 W x 7 1 2 D Weight 3 1 2 lbs CONTENTS TVA50 1 IEC three prong...

Страница 26: ...S T E R E O A M P L I F I E R A U T O M A T E D S W I T C H E R 25 Notes DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 25 ...

Страница 27: ...S T E R E O A M P L I F I E R A U T O M A T E D S W I T C H E R 26 Notes DS00395ACA TVA50 qxp 6 1 04 9 51 AM Page 26 ...

Страница 28: ...Niles Audio Corporation Because we strive to improve our products All other trademarks are the property of their respective owners Niles reserves the right to change product specifications without notice The technical and other information contained herein is not intended to set forth all technical and other specifications of Niles products Additional information can be obtained on line at www nil...

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