You solved the dilemma! we had overlooked the "black plastic spacers" that were included with the Costco mount.. it's the typical "man thing" about not reading instructions!
By the way, the Costco mount is a Simplicity Full Motion Model # XXXXX 2-B1
Thanks for your help.
Hello Stan and thank you for the reply.
Yes, the plastic spacers are crucial when using these types of mounts, and I used to overlook them as well when I was first installing these mounts. All TV's AV jacks are arranged aomsewhat differently, so the wall mount can interfere depending on the set. I typically use the 1" spacers between the mount and the TV screw holes then use the longer screws included with the mount to gain the extra clearance needed for the AV connections. In some cases, if the AV connectors are extra bulky (as with some Monster cable products), you would want to swap out the cables for shallow fit , right angle cables to gain you an extra 3/4" of an inch or so to facilitate connections.
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