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(一)安全注意事项维修彩电并不难,工作原理记心间。操作小心要谨慎,注意人机要安全。市电与机要隔离,烙铁接地要妥善。翻动机板需断电,板下导体移侧边。工作条件电为首,凡事先测电源端。依据现象定范围,由简到繁细推堪。以下分项从头叙,请君从头仔细看。(二)电源的检修行扫、电源故障繁,同是“三无”皆一般。
(A) Safety Precautions Maintenance of color TV is not difficult, working principle in mind. Be cautious about the operation, pay attention to man-machine safety. Mains and confidential isolation, grounding iron to be properly. Flip the board to be powered off, under the board conductor side. Working conditions led by electricity, where measured in advance power side. Determined according to the scope of the phenomenon, from simple to fine push can Kan. The following sub-narrative, please look carefully from scratch. (B) maintenance power line sweeping, power failure, with the “three noes” are general.