The ornamental design for a televisionreceiver, as shown and described.
1. Television receiver
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Top
1.6 : Bottom
1.7 : Back perspective view
1.8 : Reference view 1
1.9 : Reference view 2
1.10 : Reference view 3
The broken lines depict portions of the television receiver that form no part of the claimed design; the reproduction 1.1 is a perspective view of the television receiver; the reproduction 1.2 is a front view thereof; the reproduction 1.3 is a back view thereof; the reproduction 1.4 is a left side view thereof where the right side view is a mirror image; the reproduction 1.5 is a top plan view thereof; the reproduction 1.6 is a bottom plan view thereof; the reproduction 1.7 is a back perspective view thereof; the reproduction 1.8 is a reference view showing an example of the usage of the design; the reproduction 1.9 is another reference view showing an example of the usage of the design; the reproduction 1.10 is the other reference view showing an example of the usage of the design.