The ornamental design for a televisionreceiver, as shown and described.
1. Television receiver
1.1 : Perspective
1.2 : Rear perspective view
1.3 : Front
1.4 : Back
1.5 : Left
1.6 : Right
1.7 : Top
1.8 : Bottom
1.9 : Enlarged
1.10 : Enlarged
1.11 : Cross sectional
Reproduction 1.9 and 1.10 are enlarged views of portions of reproductions 1.1 and 1.2, respectively, represented by the squares in dash-dotted lines and curvy lines and the numbers 1.9 and 1.10; reproduction 1.11 is a cross-sectional view of the portion of the product taken alone line 1.11-1.11 in reproduction 1.9; the jagged lines in reproduction 1.11 represent an unclaimed boundary line and form no part of the claimed design.