RTS Ifb_828 manual

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IFB-828

Service Manual

LIT000481000 Rev B © Bosch Security System, Inc 2010 MAY–2010

P ROPRIETARY N OTICE

The product information and design disclosed herein were originated by and are the property of Bosch Security Systems, Inc. Bosch 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 2010 by Bosch Security Systems, Inc. All rights reserved.

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

Bosch 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

Bosch Security Systems, Inc.

12000 Portland Avenue South

Burnsville, MN 55337 USA

Telephone: 877-863-4169

Fax: 800-323-0498

[email protected]

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

Bosch Security Systems, Inc.

8601 East Cornhusker Hwy.

Lincoln, NE 68507 U.S.A.

Attn: Service

Technical Questions EMEA

Bosch Security Systems Technical Support EMEA http://www.rtsintercoms.com/contact_main.php

R ETURN S HIPPING I NSTRUCTIONS

Customer Service Department

Bosch Security Systems, 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).

Table of

Contents

IFB-828 Description ..................................................................................................................................................3

Installation in an RTS Digital Matrix ........................................................................................................................3

Using the IFB-828 as a Simple Program Interface with 4020 and 4030 Belt Packs ................................................6

Specifications .............................................................................................................................................................7

IFB-828 Mechanical Assembly Parts ........................................................................................................................8

90007094005 / 90007094006 .................................................................................................................................................8

IFB-828 PC Board Electrical Parts ..........................................................................................................................8

90307094000 ...........................................................................................................................................................................8

Drawings .................................................................................................................................................................11

Notes ........................................................................................................................................................................13

IFB-828 Description

The IFB-828 interfaces up to eight (8) RTS Systems’ Model IFB-325, 4020, or 4030 IFB Belt Packs to any RTS Digital Matrix

Intercom System, and it provides power to the belt packs.

The IFB-828 may also be used as a simple program interface to feed two (2) separate program sources to each of eight (8)

4020 or 4030 belt packs (16 program sources to eight (8) belt packs total).

FIGURE 1.

IFB-828 Reference View

Installation in an RTS Digital Matrix

To install an IFB-828 in an RTS Digital Matrix, do the following:

1.

Mount the IFB-828 in an equipment rack or bay.

It should be positioned near eye level when sitting or standing to permit adjustment of the IFB program levels and to check the power indicator lights. There are no special ventilation requirements.

IMPORTANT:

2.

3.

IFB-828 Location. The XLR connector outputs from the IFB-828 provide unbalanced audio and DC operating power to IFB belt packs. Therefore, very long cable runs (over several hundred feet) from the

IFB-828 to the belt packs may result in diminished performance due to DC resistance in the cabling and noise induced by surrounding equipment. Select a location for the IFB-828 that is as close as possible to the belt packs, or use appropriate precautions (shielded cable, heavier gauge stranded wire, routing away from unshielded equipment, etc.) For broadcast application you will typically locate the IFB-828 in the audio booth near the talent location, and no special precautions are required.

Select 110 for 110/120V, 50/60Hz operation.

OR

Select 220 for 220/240V, 50/60Hz operation.

Connect a 25-pair telco cable to J9 on the back of the IFB-828.

6.

7.

4.

5.

8.

Run this cable to the audio distribution point for the intercom system (punch blocks, etc.).

Using AZedit, configure the IFBs for your system.

Assign the IFBs to the appropriate keypanel keys.

For each IFB you set up: a.

Connect from the output port of the matrix (defined in step 5) to an available IFB input of the IFB-828.

Make the connects at the audio distribution point where you have connected the cable from J9 of the IFB-

828. See Table 1 on page 5 for pin numbers.

b.

Connect the IFB program audio source both to the intercom port that you defined as the program input port of the matrix (in step 5) AND also connect the IFB program audio source to the direct program input of the selected channel of the IFB-828.

Connect from the appropriate 3-pin XLR output connector of the IFB-828 to the LINE (or LINES) connector of the

IFB belt pack. Typical cable wiring is shown in Figure 2 on page 6.

9.

NOTE: In the factory-default configuration, the IFB-325 belt packs receive IFB audio on pin 3 of its XLR connector.

In this configuration, the belt pack’s internal shorting plug J3 is set to pins 2 and 3 shorted. This is not the correct configuration for use with the IFB-828. To change the setting, open the belt pack and reset the J3 shorting plug so that pins 4 and 5 are shorted. Refer to the IFB-325 User Manual (P/N 93507448000) for further information.

Connect an earset to the IFB belt pack. The Model IFB-325 accepts only monaural earsets. The models 4020 and

4030 accept either monaural or stereo earsets. However, for the standard application of the IFB-828, only a monaural earset is required.

Monaural Earset Pin Out:

Tip: IFB audio and direct program mix.

Sleeve: Common

10.

11.

12.

13.

Stereo Earset Pin Out:

Tip: IFB audio and direct program mix (interrupt)

Ring: Direct program audio (non-interrupt)

Sleeve: Common

Set all belt pack volume controls and all level controls on the IFB-828 to minimum.

Plug in the IFB-828 power cord.

The main power on the front panel should light, and each channel LED should light indicating that power is being supplied to the belt pack output on that channel. Ensure that the matrix is operation and that all program sources are operational.

During normal operation (no IFB interrupts activated) have each talent position adjust their belt pack volume control for a comfortable program listening level.

Use the interrupt control on a Model 4020or 4030 belt pack.

For each IFB: a.

b.

Activate the keypanel key assigned to the IFB.

The program audio should be interrupted at the associated IFB belt pack, and the mic audio from the keypanel becomes audible.

While the IFB key is active, adjust the appropriate level control on the front panel of the IFB-828 to mix the desired amount of direct program audio back into the keypanel’s mic audio signal.

When the key is released, the mic audio should cut off, and the normal program audio level restores.

TABLE 1. Input Connector Pin Out (J9)

Pin Numbers

20

21

22

23

16

17

18

19

24

25

12

13

14

15

8

9

10

11

6

7

4

5

2

3

1

+ Input - Input

26

27

28

29

30

31

32

37

38

39

40

33

34

35

36

45

46

47

48

41

42

43

44

49

50

Description

Channel 1 direct program input

Channel 1 IFB input (from Matrix)

No connection

Channel 2 direct program input

Channel 2 IFB input (from Matrix)

No Connection

Channel 3 direct program input

Channel 3 IFB input (from Matrix)

No Connection

Channel 4 direct program input

Channel 4 IFB input (from Matrix)

No Connection

Channel 5 direct program input

Channel 5 IFB input (from Matrix)

No Connection

Channel 6 direct program input

Channel 6 IFB input (from Matrix)

No Connection

Channel 7 direct program input

Channel 7 IFB input (from Matrix)

No Connection

Channel 8 direct program input

Channel 8 IFB input (from Matrix)

No Connection

No Connection

5

FIGURE 2.

IFB Belt Pack Interconnect Cable Wiring Diagram

Using the IFB-828 as a Simple Program Interface with 4020 and 4030 Belt Packs

Use Table 1 on page 5 and the cable wiring in Figure 2 to connect one (1) or two (2) program sources to each IFB-828 channel.

In this application, each direct program input at the IFB-828 feeds to the non-interrupt channel of the belt pack, and the level is adjusted by the NON-INTERRUPT control on the belt pack; each IFB input feeds to the interrupt channel and is adjusted by the INTRRUPT control. The control on the IFB-828 front panel can be used to mix the NON-INTERRUPT audio into the

INTERRUPT audio.

6

Specifications

Dimensions

19” wide x 1.75” high x 7.5” deep (483mm x 44.5mm x 191mm)

Input Power Requirements

110/120 or 220/240 VAC, 50/60Hz selectable via a back panel switch

Audio Inputs

Type: Balanced (transformer coupled)

Level: +4 to +8dBu

Impedance: Approximately 600 Ohms

Audio Outputs

Type: Unbalanced

Level: -10 to -6dBu

Output Power (each IFB belt pack channel)

+24VDC, 160mA, not to exceed 750mA total.

Connectors

Input (J9)

Type: 50-pin telco

Pin Out: see Table 1 on page 5

Outputs (J1 to J8)

Type: 3-pin male XLR

Pin 1: Audio and DC Common

Pin 2: +IFB Audio (interrupt audio) and +24VDC

Pin 3: +Direct program audio (non-interrupt audio)

7

IFB-828 Mechanical Assembly

Parts

90007094005 / 90007094006

1

1

1

1

1

8

8

8

2

8

1

1

1

9

1

1

1

QTY Description

Transformer, Subassembly

CONN D HDWE KIT=KY

A/C CORD/CONN 18GA

A/C ENTRY MODULE

CONN. 100SP 2POS 24

FUSE 630mA 5MMX 20M

LED 5V GN PNL MNT W

IDE PNL 7”

KNOB POINTER 15MM

KNOB 15MM 1/4 SHFT

LED GRN PNL MNT

COVER 7” TOP/BTM

KNOB CAP 15MM BLK

PCB ASSY IFB POWER

FRONT PANEL IFB828

REAR PANEL IFB828

BOTTOM PANEL

Part Number

90207094000

8800102463

8800102668

8800117313

8800127838

PAS000130000

8800131495

8800144463

8800156636

8800157458

8800191073

8800218428

8800243720

90307094000

90707094000

90807094000

91007094000

IFB-828 PC Board Electrical

Parts

90307094000

Ref

Des

C1

C22

C23

C31

C32

C33

C2

C11

C12

C13

C21

Description Part No.

CAPACITOR, EL, 1000 UF, 50V PAS000104004

CAPACITOR, CN, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

52676-613

51821-639

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, EL, 10 UF, 50V

52676-613

51821-639

51821-639

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

52676-613

51821-639

51821-639

52676-613

51821-639

D1

D52

D53

D61

D62

D41

D42

D42

D51

D23

D31

D32

D33

D11

D13

D21

D22

D82

D83

J1

J2

J3

D63

D71

D72

D73

D81

Ref

Des

C41

C71

C72

C73

C81

C82

C83

C53

C61

C62

C63

C42

C43

C51

C52

Description Part No.

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50V

CAPACITOR, EL, 10 UF, 50V

51821-639

52676-613

51821-639

51821-639

52676-613

51821-639

51821-639

CAPACITOR, CM, 0.1 UF, 50V

CAPACITOR, EL, 10 UF, 50 V

52676-613

51821-639

CAPACITOR, EL, 10 UF, 50 V 51821-639

CAPACITOR, CM. 0.1 UF, 50 V 52676-613

CAPACITOR, EL, 10 UF, 50 V

CAPACITOR, EL, 10 UF, 50 V

51821-639

51821-639

CAPACITOR, CM, 0.1 UF, 50 V 52676-613

CAPACITOR, EL, 10 UF, 50 V 51821-639

DIODE, BRIDGE, 2A, 1000V,

BR810DF

558011-000

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

DIODE, 1N4004, 400 V

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

59892-003

59892-003

59892-003

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

50745-005

8

J5

J6

J7

J8

J4

Ref

Des

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

R1

R2

R3

R4

R5

R6

R7

R8

R9

R11

R12

Description Part No.

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

CONNECTOR, RA XLR, M-3

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST POLARIZED,

0.100, M-2

CONNECTOR, ST LOCKING,

0.156, M-3

RESISTOR, CF, 1.8K OHM, 5%,

1W

RESISTOR, CF, 1.2K OHM, 5%,

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

RESISTOR, CF, 1.2K OHM, 5%

1/2W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2W

59892-003

59892-003

59892-003

59892-003

59892-003

57763-402

57763-402

57763-402

57763-402

57763-402

57763-402

57763-402

57763-402

57763-402

57762-503

52154-629

52154-456

52154-456

52154-456

52154-456

52154-456

52154-456

52154-456

52154-456

523015-000

54054-226

Ref

Des

R13

R14

R21

R22

R23

R24

R31

R32

R33

R34

R41

R42

R43

R44

R51

R52

R53

R54

R61

R62

R63

R64

R71

R72

Description

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

Part No.

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

523015-000

54054-226

9

10

R84

T62

T71

T72

T81

T82

T42

T51

T52

T61

T11

T12

T21

T22

T31

T32

T41

VR1

Ref

Des

R73

R74

R81

R82

R83

VR2

VR3

VR4

VR5

VR6

VR7

VR8

C14

Description Part No.

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

POTENTIOMETER, 100 OHM,

10%, 1W

RESISTOR, MF, 2.26K OHM,

1%, 1/2 W

RESISTOR, MF, 124 OHM, 1%,

1/4W

RESISTOR, WW, 10 OHM, 10%,

5W

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

TRANSFORMER, AUDIO

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

IC, VOLTAGE REGULATOR,

LM317

CAPACITOR, CEREMIC DISC,

0.001UF 500V

54042-124

50155-011

523015-000

54054-226

54042-124

50155-011

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

559001-000

53290-000

53290-000

53290-000

53290-000

53290-000

53290-000

53290-000

53290-000

52157-022

Ref

Des

C24

C34

C44

C54

C64

C74

C84

R10

R15

R16

R17

R18

R19

R20

R25

Description Part No.

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

CAPACITOR, CEREMIC DISC,

0.001UF 500V

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

RESISTOR, MF, 10.0K OHM, 1%

1/2W

52157-022

52157-022

52157-022

52157-022

52157-022

52157-022

52157-022

54055-100

54055-100

54055-100

54055-100

54055-100

54055-100

54055-100

54055-100

Drawings

FIGURE 3.

9027-7094-000 (page 1)

FIGURE 4.

9027-7094-000 (page 2)

Notes

13

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