Maintenance

In our daily life, we often come into contact with chargers/power adapters, and we often encounter some problems during use, such as common faults such as poor contact, unstable voltage, or insurance...

First, line fault Line fault, including power line damage not power, bad contact with the contact port oxidation, etc. Check whether the input line and output line are energized. If there is a line...

1. When there is no external power supply, if the current working condition does not use the card in the PCMCIA slot temporarily, it is recommended to remove the card first to extend the battery...

1. No output, the safety tube is normal This phenomenon indicates that the switching power supply does not work or enters the maintenance state. First measure the power control chip, a pin voltage,...