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本刊04/03/P25的“同机心彩电,+B 可能不同”一文发人深省。为什么会有这种可能?本文试作分析及说明。一、+B 电压高低与 CRT 上的 H.DY 相关彩电中的耗电大头当属行输出级,行输出电路的功耗主要在 CRT,CRT 上的行偏转线圈 H.DY 的视在
04/03 / P25 “with the same heart color TV, + B may be different,” a text thought-provoking. Why do we have this possibility? This paper attempts to analyze and explain. First, the voltage level of + B and the CRT on the H. DY related to the bulk of the TV output power when the output level, the output power of the output circuit mainly in the CRT, CRT deflection coil on the line H.DY apparent