Japanese maple has several sections with dead branches.

Why Is My Japanese Maple Dying? - JAPANESE MAPLES

Q&A – Why does my Japanese maple have brown curled leaves?

Japanese Maple Dieback And Diseases

Die-back Pruning For Beginners - Example 5

Q&A – Why are branches of my red maple dying?

Something is killing my Japanese Maple tree...But what? Do you know ?

Sick Japanese Maple diagnosis. Toss or Treat?

#26 [初見実況] 終章 : 大聖堂へ ラスダン進攻！いきなり最強の駒が、、 [英雄伝説閃の軌跡III][PS4:PS5]

Why are my Japanese Maple Acer japonica Branches Dying

All About Japanese Maples | Ask This Old House

Q&A – One of the branches of my Japanese maple appears to have died? What should I do?

Saving A Japanese Maple

Japanese Maples: Why is my tree dying & what can I do?

How to Save an Almost Dead Japanese Maple Tree

The one thing I wish I had known to save my Japanese Maple trees from dying!

Japanese maples, dealing with dried, burnt leaves. Remove some, none or defoliate the whole tree!

JAPANESE MAPLE PROBLEMS

Episode 87, Wiring A Young Japanese Maple, New Trees and Dead Trees

Reason your Maple Tree is dying.