Model 4030

Two-Channel Listening Station

User Manual

INTERRUPT

93507489000 Rev F August / 2007

P

ROPRIETARY

N

OTICE

The product information and design disclosed herein were originated by and are the property of Telex Communications, Inc. Telex reserves all patent, proprietary design, manufacturing, reproduction, use and sales rights thereto, and to any article disclosed therein, except to the extent rights are expressly granted to others.

C OPYRIGHT N OTICE

Copyright 2007 by Telex Communications, Inc. All rights reserved.

Reproduction, in whole or in part, without prior written permission from

Telex is prohibited.

W ARRANTY N OTICE

See the enclosed warranty card for further details.

C USTOMER S UPPORT

Technical questions should be directed to:

Customer Service Department

RTS/Telex Communications, Inc.

12000 Portland Avenue South

Burnsville, MN 55337 USA

Telephone: 800-392-3497

Fax: 800-323-0498

R ETURN S HIPPING I NSTRUCTIONS

Customer Service Department

Telex Communications, Inc. (Lincoln, NE)

Telephone: 402-467-5321

Fax: 402-467-3279

Factory Service: 800-553-5992

Please include a note in the box which supplies the company name, address, phone number, a person to contact regarding the repair, the type and quantity of equipment, a description of the problem and the serial number(s).

S HIPPING TO THE M ANUFACTURER

All shipments of product should be made via UPS Ground, prepaid (you may request from Factory Service a different shipment method). Any shipment upgrades will be paid by the customer. The equipment should be shipped in the original packing carton. If the original carton is not available, use any suitable container that is rigid and of adequate size. If a substitute container is used, the equipment should be wrapped in paper and surrounded with at least four (4) inches of excelsior or similar shock-absorbing material. All shipments must be sent to the following address and must include the Proof of Purchase for warranty repair.

Upon completion of any repair the equipment will be returned via

United Parcel Service or specified shipper, collect.

Factory Service Department

Telex Communications, Inc.

8601 East Cornhusker Hwy.

Lincoln, NE 68507 U.S.A.

Attn: Service

This package should include the following:

Qty

1

1

1

1

1

Description

IFB4030 Assembly or

IFB4030-M

Operation Manual

User Instructions, 4030-M

Warranty

Certificate of Conformity

Part Number

90107489000

90107488001

93507489000

90507489001

38110387

38109675

Table of

Contents

Chapter 1

Description and Specifications ................................................................................................................... 3

Description .................................................................................................................................................. 3

General ........................................................................................................................................................ 3

Features ...................................................................................................................................................... 3

Specifications .............................................................................................................................................. 4

Chapter 2

Operation .................................................................................................................................................... 5

External Connections & Controls ............................................................................................................... 5

Model 4030 Connections and Controls ....................................................................................................... 5

Chapter 3

Parts Documentation and Schematic .......................................................................................................... 7

Final Assembly, Model 4030 ....................................................................................................................... 8

Connector Plate Assembly, Model 4030 ..................................................................................................... 9

PC Board Assembly, Model 4030 ............................................................................................................. 10

Connector Assemblies ............................................................................................................................... 11

CHAPTER 1

Description and Specifications

Description

General

The Model 4030 is a portable user station for use with RTS/Telex two-wire or 4010 IFB intercom systems. The Model 4030 is a listen-only IFB belt pack that can be used to listen to one or two intercom or program channels.

Features

• Powered externally, via the intercom system power supply on channel one.

• Power ON indicator

• Headset/Earset jack set for a wide range of operations.

• Monaural phone jack for intercom channel one.

3

Specifications

Power Requirements

32 VDC nominal (standard RTS line), 150mA maximum

Environmental Requirements

Storage: -20°C to 80°C, 0% - 95% humidity, non-condensing

Operating: 0°C to 50°C, 0% - 95% humidity, non-condensing

Dimensions:

Physical: 3.65” (92.77mm) L x 3.75” (95.3mm) W x 1.5” (38mm) D

Weight: 10.8 oz. (303g)

Interface Requirements

Earset/Headphone compatibility

Accepts 50 to 600 ohm earsets or headphones

Audio input requirements

Input Level: 2V p-p (0dBu) nominal

Input Impedance: 200 ohms ±5%

Noise Contribution

Less than -60dB nominal

Headphone Amplifier

Voltage Gain

27±3dB from intercom channel to earset

Maximum Output

65 mW into 150 ohms

Frequency Response

250Hz to 8kHz +1/-4dB

Connector Pin Configuration

Headset Connectors

Type: 1/4” Monaural Plug

Tip: Headset Audio High

Sleeve: Headset Audio Low

Type: 1/4” Stereo Plug

Tip: Headset Channel 1 Audio High

Ring: Headset Channel 2 Audio High

Sleeve: Headset Audio Low

Audio/Power Connector

Type: XLR-3F

Pin 1 Common

Pin 2 Channel 1 audio and power input

Pin 3 Channel 2 audio

4

CHAPTER 2

Operation

External Connections & Controls

NOTE:

1.

2.

3.

The description numbers correspond with the callouts in Figure 1.

Channel 1 Volume Control - use this control to adjust the headset/earset listen level for channel 1.

ON LED Indicator - this LED glows green when the beltpack is connected to a functioning intercom channel.

Channel 2 Volume Control - use this control to adjust the headset/earset listen level for channel 2.

FIGURE 1.

Model 4030 Connections and Controls

4.

5.

6.

Mono Headset Connector - This connector accepts a wide-response headset/earset, such as the RTS/Telex Model

2233 or Model 2234, with a 1/4” monaural phone plug.

Stereo Headset Connector - This connector accepts a wide-response headset/earset, such as the RTS/Telex Model

2233 or Model 2234, with a 1/4” stereo phone plug.

Intercom Channel Connectors - The Model 4030 intercom channel is connected via a 3-pin female connector. The

Model 4030 is powered from the intercom system power supply and will turn ON with the intercom system.

5

6

CHAPTER 3

Parts Documentation and Schematic

Parts may be obtained directly from Telex Communications, Inc., at:

Telex Communications, Inc.

12000 Portland Ave South

Burnsville, MN 55337 USA

Telephone: (800) 392-3497

Fax: (800) 323-0498

7

8

FIGURE 2.

Final Assembly, Model 4030

10

11

12

13

14

15

8

9

Item

4

5

6

1

2

3

7

Description Part No.

Case, 4030

Top Plate, 4030

Connector Plate Assembly

90607374009

90707489002

90207489001

PC Board, 4030

Knob, Nylon Body

Knob Boot

Screw, 4-40X .25LG, Flat

Head Gray

Beltclip

90307477002L

9160563601

9160563602

800124001

91107600000

Screw, 4-40X .25LG, Pan Head 51845038

Screw, 6-32X .1875LG, Pan

Head

Washer-lock, split, #6

51845073

50086001

Valox

Loctite, Superbonder

Label, Serial

Screw Locking Agent

1303001000

BE753

3101001700

59857000

FIGURE 3.

Connector Plate Assembly, Model 4030

5

6

Item

1

2

3

4

Description

Connector Plate, Gray

Connector Assembly, IFB

3-Pin Female Line

Connector Assembly, IFB

Phono/Stereo

Nut and Washer Part of 1/4”

Jack

Screw, Part of 40055

Connector

Screw Locking Agent

Part No.

90807374008

25027477000

25027477002

N/A

N/A

59857000

9

FIGURE 4.

PC Board Assembly, Model 4030

10

1

2

1

2

1

2

4

1

1

2

1

Qty

2

3

2

7

1

1

C8

C6

R12

U4

Ref Des

Q1,Q2

D1,D2,D3,D4

PEM1,PEM2

J1,J2

R7,R8,R9

R1,R2

R35

R23,R24

R13,R16,R18,R2

6,R27,R28,

R29

R34

R17

R10

R14,R15

Part Number

51821625

51821626

54131005

54680412

54749000

58711100

59832002

59958104

102404300

102404333

102404384

102513000

102513100

102513102

102513154

102513472

102513473

Description

47UF, Cap Al Elect

SMT 25V

100UF, Cap Al Elect

SMT 25V

10K,POT

LM78L12

MMBTA13

DIODE 1N4148

Nut, Self Clinching 4-

40

Connector, ST Locking,

0.059, M-4

10.0K Ohm, Res 1206

1%

22.1K Ohm, Res 1206

1%

75.0K Ohm, Res 1206

1%

0 Ohm, Res 1206

10 Ohm, Res 1206 5%

1.0k Ohm, Res 1206

5%

150k Ohm, Res 1206

5%

4.7k Ohm, Res 1206

5%

47k Ohm, Res 1206 5%

1

1

2

4

2

1

1

1

1

1

1

1

2

1

1

1

1

1

1

C12

C10

J3

U2

U1

TP1

R21

C17

C1,C2

C3

102513752

102879208

102880237

102880239

C7,C9 102880339

C4,C13,C20,C21 102881351

C18

C25

102884510

102884512

C5

C15,C27

102884600

102884606

590089005

760374

16030833SM

2017001400

90407477000

2515001500

64106003

517002081

517002116

7.5K Ohm, Res 1206

5%

220PF, Cap 0805 X7R

50V

0.22UF, Cap 0805 X7R

50V

0.33UF, Cap 0805 X7R

25V

0.01UF, Cap 1206 X7R

50V

0.1UF, Cap 1206 X7R

50V

4.7UF, Cap Al Elect

SMT 35V

10UF, Cap Al Elect

SMT 35V

0.1UF, Cap Al Elect

SMT 50V

1.0UF, Cap Al Elect

SMT 50V

Connector, ST Locking,

0.100, M-5

Low Power Audio Amp

MC34119D

LM833

Connector, Test Point

Raw PCB

Jumper

Support Bracket

2200UF, Cap 16V

2200UF, Cap 25V

FIGURE 5.

Connector Assemblies

11