The ornamental design for a televisionreceiver, as shown and described.
FIG. 1 is a perspective view of a television receiver showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof where the right side view is a mirror image;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a fragmented enlarged perspective view showing the central lower part of the front side; and,
FIG. 8 is a fragmented enlarged perspective view showing the state in which the logo trademark have been emerged with light when the television has been turned on.