noun
deflection circuit
Technical term in electronics, especially in CRT displays, for the circuit that controls electron beam deflection.
ブラウン管テレビの偏向回路が故障すると、画面に縦線しか映らなくなる。
When the deflection circuit of a CRT television fails, only vertical lines appear on the screen.
Compound of 偏向 (deflection) + 回路 (circuit).