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© 2003 Wohler Technologies Inc. ALL rights reserved

17

ATSC/DVB-3/SDI User Manual P/N 821557 Rev-A

Technical Information

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General Technical Observations

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SDI to AES/EBU PCB (919096) Description

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Level Meter Specifications

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ATSC/DVB-3/SDI Interconnect Block Diagram

Section 3

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Содержание ATSC/DVB-3/SDI

Страница 1: ...ation General Technical Observations SDI to AES EBU PCB 919096 Description Level Meter Settings and Specifications ATSC DVB 3 SDI Interconnect Block Diagram ATSC DVB 3 SDI 2U Digital Audio Speaker Monitor with SDI AC 3 and AES Inputs on XLR and BNC Analog Stereo Output of Selected Source on XLR Six 53 Segment Level Meters and Phase Indication Document P N 821557 Rev A 1 2 3 4 5 7 9 10 14 17 18 19 ...

Страница 2: ...eing walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip ...

Страница 3: ...es Inc ALL rights reserved 3 ATSC DVB 3 SDI User Manual P N 821557 Rev A Sect 1 General Features and Specifications General Features and Specifications Description Features Applications Specifications Other Options Section 1 ...

Страница 4: ...lso be displayed Both Left Right and Front Surround Phase Polarity LED indications are provided to alert of possible cancellation from mixdown in any likely playback situation To isolate possible faults two rotary switches on the front panel let the operator route any one or pair of inputs independantly to left and right speaker channels for acoustic monitoring Atoggle switch is provided for mixin...

Страница 5: ... transient 20 W continuous Less than 0 2 at any level below limit threshold 6 or less at worst case frequencies above 120 Hz including cabinet resonance typically less than 1 5 Better than 70 dB below full output Less than 1 Gauss any adjacent surface Balanced XLR 60 W 100 220VAC 50 60Hz LeftSide LFront LSurr 1 2Center 1 2LFE RightSide RFront RSurr 1 2Center 1 2LFE Physical Specifications Audio Re...

Страница 6: ... 2003 Wohler Technologies Inc ALL rights reserved 6 ATSC DVB 3 SDI User Manual P N 821557 Rev A This page intentionally left blank ...

Страница 7: ... 2003 Wohler Technologies Inc ALL rights reserved 7 ATSC DVB 3 SDI User Manual P N 821557 Rev A Operation Installation Front Panel Features Rear Panel Features Section 2 ...

Страница 8: ... 2003 Wohler Technologies Inc ALL rights reserved 8 ATSC DVB 3 SDI User Manual P N 821557 Rev A Section 2 Operation This page intentionally left blank ...

Страница 9: ...ing Even though the unit is fairly heavy the chassis is securely attached to the front panel at eight points along its surface not just at the four corners of the chassis ears This feature will reduce or eliminate rear bracing requirements in many mobile portable applications The weight of internal components is distributed fairly evenly around the unit Audio Connections Connection of the audio fe...

Страница 10: ...ffects left surround and right surround See page 20 for more information about these level meters Bargraph Brightness Trim Pot Left and Right These two trim pots are recessed into the front panel and can be accessed using a small screwdriver Turning either trim pot clockwise will increase the relative brightness of the associated bargraph display LED segments Theleft trimpot affects the left three...

Страница 11: ... 18 25 20 22 28 31 16 CENTER 42 38 51 46 66 56 16 25 20 22 28 31 18 34 POWER OUT IN 10 0 7 4 2 AVG O 0 7 4 10 2 SOURCE AES SDI 1 2 SDI INPUT INPUT STATUS AC 3 6 R SURR 13 13 PRO 16 SELECT SELECTED ALL 2 5 4 SOURCE L SURR LF EFX 42 38 51 46 66 56 16 25 20 22 28 31 18 34 56 66 42 46 38 51 34 18 28 25 20 22 31 16 PCM 1 0 7 4 10 2 2 7 10 4 0 RIGHT SPEAKER SELECTOR DISABLED SELECT SUBGROUP 2 1 4 3 5 6 ...

Страница 12: ... monitor selection settings This LED shows the following conditions OFF No valid SDI signal present GREEN Valid SDI signal is present RED SDI signal not properly received Headphone Jack Select the headphone audio sources as you would for the internal speakers When you plug in headphones the speakers will mute This jack accepts a standard 1 4 phone type stereo plug Input Status Indication LEDs AC 3...

Страница 13: ... 18 25 20 22 28 31 16 CENTER 42 38 51 46 66 56 16 25 20 22 28 31 18 34 POWER OUT IN 10 0 7 4 2 AVG O 0 7 4 10 2 SOURCE AES SDI 1 2 SDI INPUT INPUT STATUS AC 3 6 R SURR 13 13 PRO 16 SELECT SELECTED ALL 2 5 4 SOURCE L SURR LF EFX 42 38 51 46 66 56 16 25 20 22 28 31 18 34 56 66 42 46 38 51 34 18 28 25 20 22 31 16 PCM 1 0 7 4 10 2 2 7 10 4 0 RIGHT SPEAKER SELECTOR DISABLED SELECT SUBGROUP 2 1 4 3 5 6 ...

Страница 14: ...nputs are configured for an unbalanced connection 75 Ω impedance Termination DIP Switch Module In the event that signals entering theSource 1 inputs Item C and D are connected to downstream equipment then DIP switch section 1 of this module should be set to UNTERMINATED UP If there is no connection to downstream euipment then section 1 should be set to TERMINATED DOWN Note Section 2 of this DIP sw...

Страница 15: ...ction 2 Operation Figure 2b Rear Panel Features A B C E D F G 253842 01 ATSC DVB 3 SDI 50 60 Hz 100 240 VAC 1 2 OPT INTERNAL POWER UNDERWRITERS LABS LABEL ON SIDE SEE POWER SUPPLY SOURCE 1 AC 3 IN LOOP 1 2 TERM 1 2 UNBAL 75 BALANCED 110 IN LOOP IN SOURCE 2 OUT SDI CH A L SELECTED OUTPUT ANALOG CH B R ...

Страница 16: ... 2003 Wohler Technologies Inc ALL rights reserved 16 ATSC DVB 3 SDI User Manual P N 821557 Rev A This page intentionally left blank ...

Страница 17: ... ALL rights reserved 17 ATSC DVB 3 SDI User Manual P N 821557 Rev A Technical Information GeneralTechnicalObservations SDI to AES EBU PCB 919096 Description LevelMeterSpecifications ATSC DVB 3 SDIInterconnectBlockDiagram Section 3 ...

Страница 18: ...ut stage and before the volume control section The signal pick off for the headphones is after the volume and balance controls Speaker muting is controlled by circuitry that senses connection of headphones to the jack The power amps are attached to an aluminum heatsink plate which is also connected to the circuit common for these devices The heatsink plate forms an operational module separate from...

Страница 19: ...witch selects between SDI Group 1 2 3 or 4 Afront panel 2 position toggle switch selects channels one and two first subgroup or channels three and four second subgroup from whichever SDI Group is selected for demuxing SDI to AES EBU PCB 919096 Description 919096 Specifications Inputcharacteristics Receiver type Sensitivityperformance SDI input level Input formats Audiosamplingrate SDI output type ...

Страница 20: ...ments This high resolution segment size is easy to accurately visually monitor for distances up to six feet 1 8 meters Segment size is 0 158 4 mm x 0 04 1 mm Segment pitch is 0 039 0 99 mm Each LED bargraph display section visually indicates the dynamic changes within the audio signal source s being monitored All bargraph LED segments are of the tri color type green amber red Ballistics for these ...

Страница 21: ... Left Level Meter Bargraphs Channels 1 6 IEC958 Type Stream Detector 919140 AC3 or PCM Stream Type Indicator LEDs 1 or 2 Pro 16 AC 3 INPUT STATUS PCM Pro 16 Indicator LED Present or Not Host uP OUT IN AVG O DISABLED SELECTOR ATSC DVB 3 SDI Block Diagram Volume Audio Amplifier PCB 919100 or 919164 R L Middle Speaker Woofer Right Side Speaker Left Side Speaker Balance Headphone Rear Panel AES or AC ...

Страница 22: ...ntation is available upon request Wohler Technologies Inc 713 Grandview Drive South San Francisco CA 94080 650 589 5676 Fax 650 589 1355 web www wohler com e mail support wohler com Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

Страница 23: ... 2003 Wohler Technologies Inc ALL rights reserved 23 ATSC DVB 3 SDI User Manual P N 821557 Rev A Notes ...

Страница 24: ...r Technologies Inc 713 Grandview Drive South San Francisco CA 94080 650 589 5676 Fax 650 589 1355 web www wohler com e mail support wohler com Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

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