OM8838P(52)脚外接R232(39K)变质为50K,换后OK。因有时换保险后正常,在换保险又烧的情况下,拔下消磁线圈插座即能正常,说明开机电流过大,此时只需采用三端消磁电阻中阻值小的一组(大约为20Ω)即可。 |
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