| 故障现像：不开机 检修与分析：检查24V无电压，P-ON3.2V正常，PWM供电基本正常，检查PWM及TS1外围电容，电阻等原件基本正常，代换U101故障依旧，只好换TS1开关变压器，换件后正常。 |
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