Bosch Praesideo Service Manual
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Bosch Praesideo Service Manual

Digital public address and emergency sound system
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Digital Public Address and Emergency sound system

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Summary of Contents for Bosch Praesideo

  • Page 1 Praesideo Service manual Digital Public Address and Emergency sound system...

  • Page 2: Important Safeguards

    Note: Read the Safety Instruction Manual delivered with the units 3122 475 21881 • Proper service and repair is important for safe and reliable operation of all Bosch Security Systems equipment. • Some service operations require the use of tools specially designed for the purpose. These special tools should be used when recommended.

  • Page 3: Table Of Contents

    8.5.3 NCO: Battery removed from the PCB with no power................. 18 8.6 Power Amplifiers ......................... 19 8.6.1 PAM: Display shows only “Philips CSI” (“Bosch” in 2.0 Software): ..........19 8.6.2 PAM: Display shows no information: ....................19 8.6.3 PAM: Display shows “No Network”:..................... 19 8.6.4 PAM: Display in Standby: ........................
  • Page 4 JTAG Programming Cable: ........................38 14.1 General:............................38 14.2 When upgrade the CPLD software: .................... 38 14.3 Upgrading: ........................... 39 14.3.1 CPLD Software version check......................39 14.3.2 Hardware version / CPLD relation ....................39 Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 5: Introduction

    The exact layout and contents of your Praesideo system depends on the purpose for which you want to use it and the physical location in which it is installed. The system has a modular equipment approach, which means that it is possible to add additional functionality any time by adding equipment.

  • Page 6: Service Policy And Internet & Extranet Information

    All Praesideo type numbers have a manufacturer warranty of 3 years. Bosch ST guarantees a service period of at least 5 years after the product reaches its commercial End of Life. In this service period, spare parts or the possibility to have each unit repaired is available.

  • Page 7: Problem Information Form

    Praesideo| Service manual | Chapter en | 7 Problem information form This document helps your local Bosch contact person, local service partner and Bosch Support people with solving your problem with a Praesideo system. (See chapter 13) Preventive Maintenance The preventive maintenance intervention of the Praesideo system depends on the ambient conditions. All power amplifiers have fans which blow ambient dust to the PCB’s this raises the intervention times.

  • Page 8: Remote Access To The Network Controller

    To prevent travelling remote access to the network controller is a nice feature. In the Praesideo Application Note “Remote access to the Network Controller” is described how to connect a LAN modem via your regular telephone line. With this application you are able to remotely change settings, download software and the possibility to look in the diagnose page at the fault events.

  • Page 9: Spare Parts

    Ext. keypad kit set of connection plugs/cables: 3922 156 27840 (contains parts to wire 2 LBB4434 kit’s) CD-ROM Configuration and diagnostic software: 3922 156 27820 24V power connector Fibre interface and splitter: 2422 026 05316 Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 10: Network Controller Spare Parts

    Front rotary knob 3922 156 29710 All 19” Praesideo units Foot assembly 3922 156 25070 All 19” Praesideo units Loudspeaker 5322 240 30700 LBB4401/00 Power supply module 4022 430 10110 LBB4401/00 Connectors Display Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 11: Power Amplifier Spare Parts

    LBB4421, 4422, 4424, 4426 and 4428 PCB I/O 3922 156 25220 LBB4421, 4422, 4424 and 4426 Flatband cable 2x10P 240mm 5322 320 12373 LBB 4401, 4402, 4421, 4422, 4424 and 4426 Connectors Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 12: Call Station Spare Part

    25 to 58V, 5A (peak,< 2s) VDD Main Power from the main network branch Output 25 to 58V, 5A (peak,< 2s) Do not connect! Figure 2. Pin connection power plug fiber interface and splitter Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 13: Power Connector Assembly

    Praesideo| Service manual | Chapter en | 13 Power connector assembly Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 14: Power Supply Module

    PGND switch inlet temp Output 3/4 DC/DC -13V switch PGND +13V/-13V Converter 1.15A -13/+13 V Mute =+13/-13V 1.15A 100k Backup-sensing Backup DC/DC Output 2 input Converter 24V/ 0.5A NGND 24V/0.5A NGND Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 15: Led Indications

    Fault; No external power available and no communication with the Network Controller (Check the POF cables/connections and external power supply) Blinking Fault, external power available, but no communication with the Network Controller (Check the POF cables/connections) Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 16: Led Indication Call Station Basic

    When a problem occurs try to exchange it with another keypad. In this way configuration problems can be avoided. The Call station keypads have an address setting. Always check for the correct address. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 17: Fault Finding

    This manual can be found on the CD-ROM delivered with the Network Controller. If a fault occurs on the Praesideo system the yellow LED starts blinking on the call station. The event of the fault will be reported in the diagnose page.

  • Page 18: Download Problems

    Download problems 8.4.1 Download fails from PC to NCO If the unit indicates after a download, Bosch ST (or Philips in SW versions 1.3 or lower) or nothing in display, the following steps needs to be taken; • Disconnect all POF cables form the unit and switch it off/on, check the result.

  • Page 19: Power Amplifiers

    Connected the to be checked cable to a network Controller and the fiber interface / network splitter. It’s advisable to connect an extra cable with a cable coupler LBB4419 for extra signal attenuation. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 20: Ring Or Branch Check

    The message “end of branch” indicates that this is the last unit connected to it. If you see the message “end of branch” and there are 2 POF cables connected to it, you know 1 of them is faulty. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 21: Communication Stability Check

    Check if this unit’s serial number is recognized in the “undefined” list. If it can be found there, start the equipment download. After a successful download, reset the unit via the NCO (power off/on) • (See also chapter 8.4.2) Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 22: Diagnostics Events

    Fault finding: Convert the configuration file to the proper version. See the release note on the Software CD. Delete the configuration file via the file transfer program and reprogram the system Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 23: General Fault Events

    Check the mains socket for the correct mains voltage Check the main fuse below the main switch at the back of the unit. This event can also be triggered by power dips. Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 24 (description can be configured by the user) Logs the activation of an external fault via an as fault Description: programmed input contact. Fault finding: Check the unit that activated the fault input. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 25: Events Of The Power Amplifier

    Logs the inability of an amplifier to return from standby. Description: Fault finding: Check of this unit is configured. Check if this unit triggers other fault events. Switch this unit off and on to perform a reset. Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 26 If these are solved and the units display shows the message “standby” than the unit needs to be repaired. (see also chapter 9.4.4) Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 27: Events Of The Call Stations

    Logs the error in the checksum of the flashcard Fault finding: If there is no message file in the card, place a default message in it. Remove via the file transfer application the messages (delete them if Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 28: Bosch Security Systems | 2004-28 | 3922 880

    Praesideo| Service manual | Chapter en | 28 possible) and replace from your PC the original messages. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 29: Event Of The Cobranet Unit

    (temporarily) to see if these cause errors by transmitting corrupt packets. For specialists only: the fault code is a reference to the CobraNet fault description, which can be found in the Error Code Reference part of the CobraNet Technical Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 30 Praesideo| Service manual | Chapter en | 30 Datasheet. This datasheet can be downloaded from www.peakaudio.com Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 31: Software Versions

    10 Software versions 10.1 General. Praesideo power amplifiers, Fiber interface, call station and call station kits are delivered without application software. The software delivered in the units is for factory purpose and needs to be upgraded. (see user manual for instructions) After installing the Praesideo System knows 2 software versions;...

  • Page 32: Amplifier Ground Short Circuit Test

    General: There has been a possibility that the Shortcut to ground circuit could brake down in the Praesideo boosters which are or have been connected to the 48V DC back up power supply. The Shortcut to ground circuit could brake down due to a too high voltage while connecting the 48V DC back up power supply.

  • Page 33: Hyper Terminal

    Follow the instructions on the screen and fill in a name for the connection (for example: Praesideo). Press <OK> to continue. Select the serial port you will use to connect the network controller of the Praesideo system with the PC. You may also make the actual connection at this moment by using an RS232 1:1 cable.
  • Page 34 Now it is time to set the properties for the used serial port. Use the setting like shown in the window below and continue by pressing <OK>. After a restart of the network controller, the window of HyperTerminal should show an image similar to that below. Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 35 | 35 • Press simultaneously the keys <Ctrl> and <X> and notice how your Praesideo system performs a restart. As soon as the line “Press any key to stop auto-boot…” is shown on the HyperTerminal screen press any key. (You will have to be quite fast for that) The command prompt [VxWorks Boot] will appear.

  • Page 36: Problem Information Form

    Present SW version Date delivered Previous SW version Date installed System components HW version Production date Serial number Audio Expander Amplifiers 1x500w 2x250w 4x125w 4x60w 8x60w CST kit Fibre interface Splitters Fault description Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 37 Praesideo| Service manual | Chapter en | 37 Project information Project Name Date Project information Project Name Date Project information Project Name Date Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 38: Jtag Programming Cable

    14.1 General: Next to the regular Praesideo software, the Praesideo units contain also software that controls the network. (CPLD). This software version can’t be upgraded during the regular software upgrade. To upgrade the CPLD software, a JTAG programming Cable and software needs to be used.

  • Page 39: Upgrading

    Serial number <07.1 <0320 <0E0000355 Fiber Interface LBB4414 Hardware Production week Serial number <01.07 <0312 <150000485 Other type numbers are already delivered with the correct software version or to complex to upgrade. Bosch Security Systems | 2004-28 | 3922 880 62312...

  • Page 40: Bosch Security Systems | 2004-28 | 3922 880

    Fibre interface: Pins next to the Software label An ESD protection method should be applied before proceeding the connection to the PCB. Make sure pin 1 of the connector is connected to pin 1 on the unit Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 41 Praesideo| Service manual | Chapter en | 41 JTEG Figure 7. PCB Power Amplifier Figure 8. Cable connected to call station Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 42 A pop-up box appears. Leave the setting default and select each time “next”. (2 times) => “finish” and “ok” until drawing appears as below. Figure 11. drawing of the green Icon Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 43 Figure 12. Download result page • The result should show at the bottom: “Successfully” • Right mouse click on the green Icon and choose “Program” • Select; Erase before programming and verify. Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 44 Follow these steps for the all Call stations, Call station kits, Power Amplifiers and Fibre interfaces. • Make a mark on the back of the unit (sticker) with the CPLD version of the unit. Bosch Security Systems | 2004-28 | 3922 880 62312...
  • Page 45 Bosch Security Systems B.V. Business Unit Communication Systems P.O. Box 90106 4800 RA Breda The Netherlands www.boschsecuritysystems.com © 2004 Bosch Security Systems B.V. Data subject to change without notice...

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