TB7100 Service Manual Mechanical Design 15© Tait Electronics Limited October 20052.3 Receiver ModuleThe receiver module is mounted in the front left of the tray with five TorxT10 screws g.The receiver module is a printed circuit board in SMT design withcomponents on the top and bottom sides. A digital board is reflow-solderedto the receiver. Most components are shielded by metal cans.There are different boards for each frequency band and each RF outputpower configuration.The RF b, DC power c, auxiliary d, and user interface f connectors arelocated on the bottom side of the board. The internal options connector eand a factory connector (not shown) for factory use are located on the topside of the board.For compliance reasons, there are different variants of the receiver modulefor use in the 25W and 50W/40W base stations. The 25W version has awhite DC power connector C and the 50W/40W version has a black DCpower connector.For more information on the connectors, refer to “Connections” onpage 63.Figure 2.3 Receiver moduleggfb c dge