Telex BTR-200 Series manual ~~VC303, Schematic Diagram Receive Board Version 1 PCB Assembly

Page 29

 

 

 

 

 

 

 

 

 

 

 

0320

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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P301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R305

R306

 

 

 

L312

 

 

 

 

 

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C301

 

C302

 

 

 

 

 

C315

 

 

 

 

 

 

 

 

 

 

 

 

C306

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MPSH10

R307

2.2K

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FREQUENCY C301 C302 C303 C307 C308 C313 C421 C422 ,C472 CF370 CF371

169-172 MHz 5.6 pI'.62 pI' .50 pF .50 pI' 1.2pF 4.7 pI'150 pI'43 PI' 39pF 11.56 MHz

206-208 MHz 4.7 pI' .SOpF .33 pI' .33 PI' .33 pI'2.2pF 180 PI' 50 pI' 43 pI' 11.075 MHz

212-214 MHz 4.7 pI' .SOpF .33 pI' .33 pI'.33 pI' 2.2 pI'180 pI' 50 pI' 43 pI' 11.075 MHz

CF420

CF421

12.36 MHz

11.7 MHz

11,7 MHz

CF470

CF471

13,1 MHz

12.5 MHz

12,5 MHz

L308

.15/lH

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.1O IIH

Y301

Y370

Y420

171.005

12.015

12,815

MHz

MHz

MHz

207.6

11.53

12,155

MHz

MHz

MHz

213.611.53 12.155

MHz MHz MHz

Y470

12,555 MHz

12.955 MHz

12.995 MHz

0420

MPSH10

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FB421

R470

4.7K

0470 Cf470 MPSH10

R471 lK

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Figure 15

Schematic Diagram Receive Board

Version 1 - 750309

PCB Assembly 878662

~P420

P470

3-18

Image 29
Contents ~iDD ~~~ EnWTable of Contents Description · Transmit, Receive & Audio Circuit BoardsChapter Controls and Connections Front Panel-BTR200 27160-8-00I-AMIC on PUSIH-lO-TALKI Rear Panel BTR-200 27160-B-002-ASpeaker / Local Monitor 8 n MIN Rear Panel Refer to Figure Location of Rev Level for Versions 3 thru Location of Rev Level for Versions 1Receive Board Transmit Board Places Mechanical PartsExploded View· BTR-200 TRANSMIT, Receive & Audio CIRCUIT,BOARDS Transmit Board Q50l Q502 Q503 Device 1====-r===r===r====jPI=N=N=U=rM=B=EFR==~===r==~==l1U501 ~@C501 +~04Transmit Board Component Layout Foil Side Transmit Board Component Layout Component SideQ503~502 100P~ Schematic Diagram Transmit Board VersionPCB Transmit Assembly Receive Board Receive Board Receive Board Page Page Q309, Q311 Q301Q302 Q303 Q304 Q311 U304 U306 U309U303 U305 U307 U310 550 234 Voltage Tables· Receive Board Voltage Tables Receiv~ Board876 U302 123Lp~lr ~ ~ FL30~368@@R33~@R334@ a ~050~~VC303 Schematic Diagram Receive Board Version 1 PCB AssemblyReceive Board Componen~Layout Foil Side I6i?7L4~ Receive Board Component Layout Component Side VersionFrequency Dependent Components Table CJl~VOBPCB Receive Assembly PCB Receive Assembly PCB Receive Assembly 878522M VC301-VC308 GAASFET, NE PCB Receive Assembly Microphone Amplifier Receive ExpandersAuxiliary Input Amplifier Intercom DriverIntercom Input Power SupplyHeadset and Speaker Amplifiers Transmit Mixer and Filter29/3-30 Blank Block Diagram Versions 1 ToI ~OEg+0 Rl~63 jRl02 +0 0+Ov· \.AJAudio Board Component Layout Foil Side Versions 1 ~R17J UrIR1,~ Schematic Diagram Audio Board VersionHEAO~.~22C113Jo ~C-\1ilBlI.0U~r.VY..,R137Details of Board Differences Between Versions 1 LI~-.=Joqa ~.C·@5ItDCD R182 C142 ~lll ~S~!~~0113 CJC~5 +~87Versions 3, 4, Audio Board Component Layout Foil SideC2~~~R230-------L.jN,-.L!~2.-.L-.-H ~I~ ~4~ ~4S~B~~9 R21~1Daoa ~EM32 CI6~~~Ms~ ~ R224 E I fJJ~FC117H!f-V1\M,pI~£.jl,ltI1Ir-1N+--J ~1~1~2 +lQJl~i ~IR~~~~199r~PCB Audio Assembly, 878520 Versions 1 thru Rln·2 Rln36 PCB Audio Assembly 878520 Versions 1 thruTioi Display Board Component Layout Component View Display Board Component Layout Foil SideTELEX@

BTR-200 Series specifications

The Telex BTR-200 Series is a well-regarded solution in the realm of wireless intercom systems, widely utilized in broadcast, film, and live event production settings. Renowned for its reliability, user-friendly interface, and robust performance, the BTR-200 Series has become a staple for professionals seeking efficient communication solutions.

One of the standout features of the BTR-200 Series is its frequency agility. The system operates in the UHF band, allowing users to switch frequencies to avoid interference from other wireless devices. This adaptability is crucial in environments where multiple wireless systems operate simultaneously. Users can easily reprogram frequencies to ensure clear and uninterrupted communication among team members.

Another key characteristic of the BTR-200 Series is its impressive range. The systems can provide coverage up to 1,000 feet in line-of-sight applications, making it suitable for large venues. This extensive range ensures that communication remains intact even in expansive settings, such as concert halls or outdoor arenas. Additionally, the enhanced RF performance ensures minimal dropouts, contributing to seamless communication.

The BTR-200 Series also distinguishes itself with its digital circuitry, which enhances audio clarity and reduces noise. This reliance on advanced technology results in crisp communication that is essential for coordinating complex productions. The system also features a low-latency design, which is particularly valuable in live performance settings where timing is crucial.

In terms of user interface, the BTR-200 Series is engineered with simplicity in mind. The beltpack units and base station feature intuitive controls that enable quick adjustments, making them easy to operate even under the pressures of a production environment. Each beltpack supports individual volume control, allowing users to customize their audio experience according to their preference.

Moreover, the BTR-200 Series is built for durability and long-lasting operation. The robust construction of its components ensures reliability, even in challenging environments. Rechargeable batteries offer extended operating time while reducing the need for constant replacements.

In summary, the Telex BTR-200 Series stands out for its frequency agility, extensive range, digital audio clarity, user-friendly interface, and durable build quality. These features combined make it an ideal choice for professionals in the broadcasting and live event production industries, promoting seamless and efficient communication essential for successful operations. The BTR-200 Series remains a trusted solution, proving its worth time and again in various high-pressure scenarios.