The ornamental design for a televisionreceiver, as shown and described.
1. Television receiver
1.1: Front perspective view
1.2: Rear perspective view
1.3: Front view
1.4: Rear view
1.5: Left view
1.6: Right view
1.7: Top view
1.8: Bottom view
1.9: Partial enlarged front perspective view, demonstrating the camera door in an open state
1.10: Partial enlarged front perspective view, demonstrating the camera door in a closed state
The dash-dash broken lines depict portions of the television receiver that form no part of the claimed design. The dot-dot-dash broken lines in reproductions 1.9and 1.10are included for the purpose of illustrating the partial enlargements and form no part of the claimed design.