Tag Lenovo xiaoxinchao 7000-13

After disassembling the test, it was found that the power supply did not pass through the common terminal, and the resistance of the common terminal was measured at 0 ohm. It means that the short circuit caused the protection. After measuring each large inductance and disconnecting each test point, no short circuit was found, so we had to use the burning machine method.

Lenovo Xinchao 7000-13 notebook has standby current without triggering multi-fault maintenance. [Machine model] Lenovo Xiaoxinchao 7000-13 [Fault phenomenon] The notebook will not be triggered when there is standby current. [maintenance process] Repair a small trendy 7000-13 notebook computer with a…

Lenovo Xinchao 7000-13 notebook no power on, found the fault point c6705 to the CPU chip VCC pin filter Capacitor Short circuit.After replacement, the common point diode value becomes more than 400 ohm, and the laptop can be turned on normally after power up.

Lenovo Xiaoxinchao 7000-13 notebook computer Won't Turn On, this is common failing. After testing, it was found that Capacitor next to the charging chip and Capacitor of the screen VCC interface were damaged, and the fault was repaired after replacement.