The ornamental design for a televisionreceiver, as shown and described.
FIG. 1 is a front elevational view of a television receiver showing my new design,
FIG. 2 is a top plan view thereof,
FIG. 3 is a bottom plan view thereof,
FIG. 4 is a left side elevational view thereof,
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a rear elevational view thereof.
The broken line showing of the remainder of the television receiver in FIGS. 1-6 are for environmental purposes only and form no part of the claimed design.