Telex BTR-200 Series manual PCB Receive Assembly

Page 33

PCB Receive Assembly 878522-* (Continued)

RerNo.

Description

Part No.

C4061

Ceramic,

20 pF

35693048

 

C4062,3

Ceramic,

24 pF

35693060

 

C407 1

Ceramic,

20 pF

35693048

 

C4072,3

Ceramic, 24 pF

35693060

 

C408

1

 

Ceramic, 330 pF

35693024

 

C4082,3

Ceramic,

270 pF

35693076

 

C409, C410

Ceramic, .01

52676107

 

C411

1

 

Ceramic, 2.2 pF

35693000

 

C412

 

Ceramic, 36 pF

35693078

 

C4122,3

 

Ceramic, 39 pF

35693014

 

 

 

C413

 

 

Ceramic, .01

52676107

 

C414

 

 

Ceramic, .1

52676113

 

C4i5

 

 

Ceramic, 100 pF

35693019

 

C416

 

 

Ceramic, .01

52676107

 

C417

 

 

Electolytic, 10

52723008

 

C418

 

 

Cel'amic, 1500 pF

35693032

 

C419

 

 

Electrolytic, 1

51821106

 

C420

 

 

Poly Film, .0022

52719053

 

C421

 

 

Poly Film, .0056

52719068

 

C422

 

 

Ceramic, 330 pF

35693024

 

C423

 

 

Ceramic, .01

52676107

 

C4241

 

Ceramic, 39 pF

35693014

 

C4242,3

 

Ceramic, 43 pF

35693070

 

C425 1

 

Ceramic, 270 pF

35693076

 

C4252,3

 

Ceramic, 330 pF

35693024

 

C426 1

 

Ceramic, 62 pF

35693071

 

C4262,3

 

Ceramic, 68 pF

35693017

 

C427 I

 

Ceramic, 43 pF

35693070

 

C4272,3

 

Ceramic, 50 pF

35693049

 

C428

 

 

Ceramic, .82 pF

724771

 

C429 1

 

Ceramic, 30 pF

35693046

 

C4292,3

 

Ceramic, 33 pF

35693013

 

C430

 

 

Ceramic, .82 pF

724771

 

C431 1

 

Ceramic, 39 pF

35693014

 

C431 2,3

 

Ceramic, 43 pF

35693070

 

C4321

 

Ceramic, 270 pF

35693076

 

C4322,3

 

Ceramic, 330 pF

35693024

 

C433-C436

 

Ceramic, .01

52676107

 

C437

1

 

Ceramic, 390 pF

35693025

 

C437

2,3

 

Ceramic, 470 pF

35693026

 

C438 1

 

Ceramic, 18 pF

35693010

 

C4382,3

 

Ceramic, 20 pf

35693038

 

C439 1

 

Ceramic, 18 pF

35693010

 

C4392,3

 

Ceramic, 20 pf

35693038

 

C440

 

Ceramic, 270 pF

35693076

 

C441-C442

 

Ceramic, .01

52676107

 

C443

 

 

Ceramic, 2.2 pF

35693000

 

C4441

 

Ceramic, 30 pF

35693046

 

C4442,3

 

Ceramic, 33 pF

35693013

 

C445

 

 

Ceramic, .01

52676107

 

C446

 

 

Ceramic, .1

52676113

 

C447

 

 

Ceramic, 100 pF

35693019

 

C448

 

 

Ceramic, .01

52676107

 

C449

 

 

Electolytic, 10

52723008

 

C450

 

Ceramic, 1500 pF

35693032

 

C451

 

 

Electrolytic, 1

51821106

 

C452

 

Poly Film, .0022

52719053

 

C453

 

 

Poly Film, .0056

52719068

 

C454

 

Ceramic, 330 pF

35693024

 

VC301-VC307

 

Capacitor, Variable

723086-4

 

 

 

 

 

 

 

 

RerNo.

DescrIption

 

Part No.

 

 

 

Intergrated Circuits

 

 

0301

 

 

IC, NE614

760375

0302

 

IC,LM393

53284000

0303

 

IC, NE 5532AN

53295001

U304

IC, NE614

760375

0305

 

IC, NE 5532AN

53295001

0306

 

IC, NE614

760375

0307

 

IC, NE 5532AN

53295001

0308

 

IC,LM393

53284000

U309

IC, NE614

760375

0310

 

IC, NE 5532AN

53295001

 

 

 

 

 

 

 

 

 

 

 

Potentiometers

 

 

VR301

5K Potentiometer

57148068

VR302

20K Potentiometer

57148071

VR303

5K Potentiometer

57148068

VR304

20K Potentiometer

57148071

VR305

5K Potentiometer

57148068

VR306

20K Potentiometer

57148071

VR307

5K Potentiometer

57148068

VR308

20K Potentiometer

57148071

VR309

50K Variable Resistor

723091-1

 

 

 

 

 

 

 

 

 

 

 

Colis and Inductors

 

 

L301

L302

Coil, 2 1I2T, 10 nun

724778

L303

1

 

Coil, 1 3/4T,

724777

 

L3032,3

 

Coil, 1 1I4T,

724766

L304 1

 

Coil, 1 3/4T,

724777

L3042,3

 

Coil, 1 1/4T,

724766

L305

 

 

Coil, MC120 red wlcase

724775

L306

 

 

Coil, 1I4T red w/case

724765

L307 1

 

Coil, 1 3/4T,

724777

L3072,3

 

Coil, 1 1I4T,

724766

L308 1

 

Inductor, .151lH

35689041

L3082,3

 

Inductor, .11lH

35689045

L309

 

 

Inductor, 1 mH

35689035

L310 1

 

Coil, MC120 blue w/case

724767

L3102,3

 

Coil, MC120 green w/case

 

724769

 

 

 

 

 

Transistors

 

 

 

 

 

 

 

Q301

 

Transistor, NE 25137

 

760488

Q302, Q303

 

Transistor, MPS-901

 

760376

Q304

 

Transistor, MPS-3640

 

54734000

Q305

 

Transistor, MPS-3704

 

54712000

Q306

 

Transistor, MPS-3640

 

 

 

54734000

Q307

 

Transistor, MPS-3704

 

 

 

54712000

Q308

 

Transistor, MPS-3640

 

 

 

54734000

 

 

 

 

Q309

 

Transistor, MPS-3704

 

 

54712000

Q310

 

Transistor, MPS-3640

 

 

54734000

Q311

 

Transistor, MPS-3704

 

 

54712000

 

 

 

 

 

 

 

 

878522-*

Frequency

*Dash No.

Reference No.

 

 

 

169.505-171.905 MHz

-171

1

206.000-207.800 MHz

-207

2

 

 

 

212.000-213.800 MHz

-213

3

 

 

 

3-22

Image 33
Contents ~iDD ~~~ EnWTable of Contents Description · Transmit, Receive & Audio Circuit BoardsChapter Controls and Connections 27160-8-00I-A MIC on PUSIH-lO-TALKIFront Panel-BTR200 27160-B-002-A Speaker / Local Monitor 8 n MINRear Panel BTR-200 Rear Panel Refer to Figure Location of Rev Level for Versions 3 thru Location of Rev Level for Versions 1Receive Board Transmit Board Mechanical Parts Exploded View· BTR-200Places TRANSMIT, Receive & Audio CIRCUIT,BOARDS Transmit Board Device 1====-r===r===r====jPI=N=N=U=rM=B=EFR==~===r==~==l1 U501Q50l Q502 Q503 ~@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.