Bosch Appliances 3122 475 22015en manual Upgrading an LBB4502/xx to an INT-TX

Models: 3122 475 22015en

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INTEGRUS Installation and User Instructions Integrus Transmitters

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2.2.3 Upgrading an LBB4502/xx to an INT-TX

To upgrade an LBB4502/xx to an INT-TX the follow- ing upgrade kits are available:

INT-TXK04: 4 channel transmitter upgrade kit

INT-TXK08: 8 channel transmitter upgrade kit

INT-TXK16: 16 channel transmitter upgrade kit

INT-TXK32: 32 channel transmitter upgrade kit

Each kit comprises the following items:

1 (type dependent) rear panel

1 (type dependent) main PCB

1 extra screw for the main PCB

1 glue stud

Warning: Before opening the transmitter housing, make sure that the mains power and all other connections are disconnected.

Warning: ICs and many other electronic components are susceptible to electrostatic discharge (ESD). Take preventive measures when handling the PCBs. Keep the PCBs as long as possible in their protective packing. Wear an anti-ESD bracelet.

2.2.3.1Removing the main PCB and the rear panel

Follow the instructions below to remove the main PCB and the rear panel. The numbers refer to figure 2.7 and figure 2.8.

Note: The upgrade kits do not contain

new fixing materials. Therefore make

sure to keep all screws and washers.

1.Remove the top cover of the transmitter housing.

2.If the transmitter contains an interface module (1): Remove the interface module proceeding in reverse order of mounting. The mounting instructions can be found in section 2.2.2. Note that the distance studs of the transmitter module can remain in place.

3.If the transmitter does not contain an interface module: Remove the interface module slot cover proceeding as described in section 2.2.2.

4.Remove the analogue input/output PCB (2):

Loosen the screws (3) between the cinch plugs on the rear panel (4). The number of screws depends on the transmitter type.

Loosen the screws (5) at the XLR connectors on the rear panel.

Loosen the screws (6) of the distance studs (7) of the analogue input/output PCB. Do not lose the (spring) washers (8).

On the main PCB (9) detach the flexible cables

(10)to the analogue input/output PCB. To this end release the catches (11) on both sides and pull out the flexible cable. See inset in figure 2.7.

Remove the analogue input/output PCB.

5.Remove three distance studs (7A, 7B and 7C) of the analogue input/output PCB.

6.On the main PCB (9):

Detach the user interface cable (12).

Detach the power supply connector (13).

Loosen the screws (14) of the distance studs. Do not lose the (spring) washers (15).

7.Remove the main PCB.

Bosch Security Systems 2005-04 3122 475 22015en

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Bosch Appliances 3122 475 22015en manual Upgrading an LBB4502/xx to an INT-TX, Removing the main PCB and the rear panel

3122 475 22015en specifications

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