Tait TP9100 Service Manual

Also see for TP9100: User guide Product safety and compliance information User guide Service manual Manual

Contents

20 Description TP9100 Service Manual© Tait Electronics Limited May 20052.1.3 RadioThe circled numbers in this section refer to the items in Figure 2.1 onpage 21.Knobs and3-way Actuator The volume knob 1) is fitted to the D-profile shaft of the power/volumepotentiometer, which is soldered to the main board. An internal D-profilespring holds the knob in place. The volume knob seal J around the shaftof the volume knob provides additional sealing.The blue 3-way actuator H engages to the three-way switch of thecombined 16-way/3-way selector switch, which is soldered to the mainboard. The channel knob I is fitted to the D-profile shaft of the 16-wayswitch of the combined 16-way/3-way selector switch. An internal D-profile spring holds the knob in place.Front-PanelAssembly The front-panel assembly B contains the features and components of theuser interface. For more information on the user interface refer to “UserInterface” on page 26.At the top of the front-panel assembly, three holes are provided for theantenna SMA connector, the 16-way/3-way selector switch, and thepower/volume potentiometer of the main board 2#.An orange emergency key presses down on a metal lever on the inside of thefront-panel assembly operating a tact switch on the main board 2#.A light pipe fitted to the inside of the front-panel assembly transmits lightfrom the status LED on the main board 2# to the top of the radio.The front contains the speaker grille, the lens covering the LCD assembly1*, and 16 holes or 4 holes for the silicone keypad 1^. A rectangular foamframe fitted around the aperture of the front panel protects the LCDassembly against mechanical shock.Note The emergency key mechanism, the light pipe, the lens, and therectangular foam seal are not serviceable items. In case of damage,the entire front-panel assembly must be replaced. For more infor-mation refer to “Spare Parts” on page 289.Two screws inserts inside the bottom of the front-panel assembly areprovided to screw the chassis 3) to the front-panel assembly.