The ornamental design for a tvreceiver, as shown and described.
1. TV 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 : Reference
1.11 : Reference
In view 1.11, the bottommost bent portion of the thin, flat rod connecting the TV screen to the AV box (shown in broken lines), and which is not shown in the remaining views, forms no part of the claimed design; in views 1.1-1.6 and 1.10, the curvy line at the bottommost point of the TV receiver forms no part of the claimed design.