Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Glory 10 Youth Edition cannot be repair
Machine model: Honor 10 Youth Edition
Trouble phenomenon: Press the power button 50ma, let go and reset, the machine is Previously repaired machine, water damage is not found on the whole motherboard, and the phone cannot be turned on.
Glory 10 Youth Edition cannot be repair Figure 1.
Failure analysis:
This current is mostly caused by abnormal power supply, small power supply and step-down Inductor Inveracious Soldering.
Repair process:
Glory 10 Youth Edition cannot be repair Figure 2.
Observing the motherboard, I found that the previous BQ tube has been activated. This has nothing to do with the current Low current.
Glory 10 Youth Edition cannot be repair Figure 3.
Repeat welding main power supply, no looseness is found in the surrounding Inductor, and the startup failure remains the same.
Glory 10 Youth Edition cannot be repair Figure 4.
The same operation failure of small power supply and peripheral Inductor remains the same. As it is Previously repaired, we first removed Reballing from the main power supply.
Glory 10 Youth Edition cannot be repair Figure 5.
When the main power supply is removed, the bottom pin Short bridge is found, and a point is dropped, and there are traces beside it.
Glory 10 Youth Edition cannot be repair Figure 6.
Boardview View is the point leading to CLK. Circle this point Jump wire,Solder Mask UV curable.
Maintenance result:
Boot test, perfect repair.
Glory 10 Youth Edition cannot be repair Figure 7.
Glory 10 Youth Edition cannot be repair Figure 8.