| Problem | Possible Cause | Solution | |---------|----------------|----------| | No LED / no power | Wall outlet dead, input fuse (internal) blown | Test outlet, replace PSU | | Device intermittently reboots | Insufficient current (Amps) | Upgrade to higher current PSU | | Excessive heat | Overload or poor ventilation | Reduce load, improve airflow | | Buzzing noise | Normal for switching supplies under load | Replace if loud or annoying | | Wrong voltage device not working | Voltage mismatch | Immediately unplug, check label |

Precise DC output with low ripple and noise to protect integrated circuits.

This specific board is known to be a common failure point in older HKTS series subwoofers. Users often report the following symptoms:

فیلدهای قابل نمایش را انتخاب کنید. بقیه فیلد ها مخفی خواهند شد
  • تصویر
  • کد محصول
  • نمره
  • قیمت
  • موجود
  • دسترسی
  • توضیح
  • عرض
  • اندازه
  • ویژگی ها
  • فیلد دلخواه
مقایسه
preloader