The ornamental design for a mountingpanel for an audio-video assembly, as illustrated and described.
FIG. 1 is a front perspective view of a first preferred embodiment of my new design for a mounting panel for an audio-video assembly;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right plan view thereof;
FIG. 6 is a left plan view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a rear elevational view thereof;
FIG. 10 is an exploded front perspective view thereof; and,
FIG. 11 is a exploded rear perspective view thereof.
The broken lines showing of a cabinet, a pivotable support arm and an audio-video assembly are included for purposes of illustrating environment and form no part of the claimed design.