調亮度 (SOFT/FN KEY 無變化說明背光燈管 的電壓/電流沒變.
你已經換過INVERTER 說明問題在軟件和INVERTER之前的電路有問題. 查到INVERTER的PWM信號.
調亮度 (SOFT/FN KEY 無變化說明背光燈管 的電壓/電流沒變.
你已經換過INVERTER 說明問題在軟件和INVERTER之前的電路有問題. 查到INVERTER的PWM信號.
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