Television receiver, electronic apparatus, and substrate assembly

An electronic apparatus comprising:

• a housing;
• a substrate in the housing and comprising a first opening;
• and
• a part on a surface of the substrate and comprising a square outer shape when viewed from a direction normal to the substrate, wherein
• the substrate comprises a second opening in a first region, the first region formed by a first line extending from a first side of the part and a second line extending from a second side of the part, the first line crossing the second line at a corner of the part, and at a side opposite to the part when viewed from the direction normal to the substrate, wherein the second opening is on a line connecting the corner and a center of the first opening.

A substrate assembly comprising:

• a substrate comprising a first opening;
• and
• a part on a surface of the substrate and comprising a square outer shape when viewed from a direction normal to the substrate, wherein
• the substrate comprises a second opening in a first region, the first region formed by a first line extending from a first side of the part and a second line extending from a second side of the part, the first line crossing the second line at a corner of the part, and at a side opposite to the part when viewed from the direction normal to the substrate, wherein the second opening is on a line connecting the corner and a center of the first opening.