Telex BTR-200 Series manual · Transmit, Receive & Audio Circuit Boards, Description

Page 3

 

Page

Chapter 3· Transmit, Receive & Audio Circuit Boards (Continued)

 

Audio Board

Continued

PCB Audio Assembly (878520) Versions 1 thru 6 (Parts List)

3-45

Display Board

3-48

PCB Display 878519 (Parts Lists)

3-48

List of Illustrations

Figure

Description

 

Page

1

Headset XLR Connector Wiring

 

 

1-2

2

Front Panel-BTR200

 

 

1-3

3

Rear Panel - BTR-200

 

 

1-4

4

Location of Rev Level for Versions 1 and 2 (Audio Board)

 

2-1

5

Location of Rev Level for Versions 3 thlU 6 (Audio Board)

 

2-1

6

Location of Rev Level for Versions I

and 2 (Receive Board)

 

2-2

7

Location of Rev Level for Versions I

and 2 (Transmit Board)

 

2-3

8

Exploded View - BTR-200

 

 

2-4

9

Transmit Board Component Layout (Foil Side)

 

3-4

10

Transmit Board Component Layout (Component Side)

 

3-4

II

Schematic Diagram Transmit Board - Version 1

 

3-5

12

Schematic Diagram Transmit Board - Version 2

 

3-6

13

Schematic Diagram Receive Board

 

 

3-16

14

Receive Board Component Layout (Component Side)

 

 

 

Versions I and 2 (70714000)

 

 

3-17

15

Schematic Diagram Receive Board Version 2 (750309)

 

3-18

16

Receive Board Component Layout (Component Side) Version 1..

 

3-19

17A

Receive Board Component Layout (Foil Side)

 

3-19

17B

Receive Board Component Layout (Component Side) Version 2 (750309)

 

3-19

18

Schematic Diagram Receive Board Version I (750309)

 

3-20

19

Block Diagram Versions 1 and 2

 

 

3-31

20

Block Diagram Versions 3 thlU 6

 

:

3-32

21

Audio Board Component Layout (Component Side) Versions land 2

 

3-33

22

Audio Board Component Layout (Foil Sde)

 

3-34

23

Schematic Diagram Audio Board Version I

 

3-35

24

Schematic Diagram Audio Board Version 2

 

3-36

25

Details of Board Differences Between Versions I and 2

 

3-37

26

Details of Board Difference in Versions 3, 4, 5, and 6

 

3-38

27

Audio Board Component Layout (Component Side) Version 6

 

 

 

with Detailed Areas Showing Differences of Versions 3,4,5, and 6

 

3-39

28

Audio Board Component Layout (Foil Side) Version 6

 

3-40

29

Schematic Diagram Audio Board Version 3

 

3-41

30

Schematic Diagram Audio Board Version 4

 

3-42

31

Schematic Diagram Audio Board Version 5

 

3-43

32

Schematic Diagram Audio Board Version 6

 

3-44

33

Display Board Component Layout (Foil Side)

 

3-48

34

Display Board Component Layout (Component Side)

 

3-48

-11-

Image 3
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 Transmit Board Component Layout Component Side +~04~@C501 Transmit Board Component Layout Foil SideQ503~502 100P~ Schematic Diagram Transmit Board VersionPCB Transmit Assembly Receive Board Receive Board Receive Board Page Page U304 U306 U309 Q301Q309, Q311 Q302 Q303 Q304 Q311123 Voltage Tables· Receive Board Voltage Tables Receiv~ BoardU303 U305 U307 U310 550 234 876 U302Lp~lr ~050 FL30~368@~ ~ @R33~@R334@ a~~VC303 Schematic Diagram Receive Board Version 1 PCB AssemblyReceive Board Component Layout Component Side Version I6i?7Receive Board Componen~Layout Foil Side L4~Frequency Dependent Components Table CJl~VOBPCB Receive Assembly PCB Receive Assembly PCB Receive Assembly 878522M VC301-VC308 GAASFET, NE PCB Receive Assembly Intercom Driver Receive ExpandersMicrophone Amplifier Auxiliary Input AmplifierTransmit Mixer and Filter Power SupplyIntercom Input Headset and Speaker Amplifiers29/3-30 Blank Block Diagram Versions 1 ToI \.AJ +0 0+~OEg+0 Rl~63 jRl02 Ov·Audio Board Component Layout Foil Side Versions 1 ~R17J UrI~C-\1ilBlI.0U~r.VY..,R137 Schematic Diagram Audio Board VersionR1,~ HEAO~.~22C113JoDetails of Board Differences Between Versions 1 LI~-.=Joqa ~.C·@5ItDCD R182 C142 CJC~5 +~87 ~S~!~~lll ~0113Versions 3, 4, Audio Board Component Layout Foil SideR21~1 ~I~ ~4~ ~4SC2~~~R230-------L.jN,-.L!~2.-.L-.-H ~B~~9Daoa ~ R224 E I fJJ~F CI6~~~EM32 ~Ms~C117H!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.