| 摘要 |
A turret type television tuner comprises a chassis subassembly including a chassis base, an electrical wiring sub-assembly fixed on the chassis base, and a rotor assembly including a turret secured to a selector shaft within the chassis base. The turret includes an insulating elastic support disc with integrally formed holes and tongues in divided radial sector portions of the perimeter, a rigid support disc with outwardly opened notches, elongated insulating coil units provided with cavities at one end portion thereof and intermediate grooves, and fine tuning screws located within the respective cavity for adjusting the inductance of the respective coil unit. Each tongue of the elastic support retains the respective screw to hold its position within the respective cavity. Each of the coil units is removably mounted around the two discs by inserting the slim end portion into respective holes in the divided radial sector portions of the elastic support disc, bending the respective radial sector portion forward in the axial direction, and engaging the grooved intermediate portion with a respective notch in the rigid support disc. Once a coil unit is set in a given position it is held in the given position due to the restoring force of the respective bent portion of the elastic support disc.
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