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Honor 30 Pro auto restart Mobile phone no serviecs repair
Machine model: Honor 30 Pro
Malfunction:auto restart mobile phone no serviecs
Maintenance process:
Received a Honor 30 Pro, fault description, the phone can be turned on occasionally after falling, occasionally auto restart,no serviecs.
Honor 30 Pro auto restart Mobile no serviecs repair Figure 1.
The mobile phone fell, and the key maintenance direction was caused by component chip Inveracious Soldering.
Disassemble the machine, take out the motherboard, and observe all components, such as Capacitor Inductor, etc., without component damage, and observe that the chip has no trace of chipping under the microscope.
Honor 30 Pro auto restart Mobile no serviecs repair Figure 2.
After investigation,Inductor L101 Inveracious Soldering was found. After checking the circuit schematic, it was found that schematic 19001 was 0.8V VCC for CPU.
Honor 30 Pro auto restart Mobile no serviecs repair Figure 3.
Honor 30 Pro auto restart Mobile no serviecs repair Figure 4.
Replace Inductor of the same size, and repair the fault.
