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Redmi K30 Won’t Turn On repair
Machine model: Redmi K30 (Extreme Edition)
Fault symptom: Won’t Turn On
Maintenance process:
One Redmi K30 suddenly got stuck and crashed during normal use, and restarted no booting. 200mA or so current for single board removal is fixed. The CPU Inveracious Soldering of this machine is common failing.
Redmi k30 Won’t Turn On repair Figure 1.
Disassemble the machine,Reballing CPU.
Redmi k30 Won’t Turn On repair Figure 2.
Redmi k30 Won’t Turn On repair Figure 3.
Boot test found mobile phone Blurred screen.
Redmi k30 Won’t Turn On repair Figure 4.
Due to the universal REBALLING Stencil, several points Open were found when the CPU was removed again, and the reloaded CPU started normally, and all functions were tested normally.
Redmi k30 Won’t Turn On repair Figure 5.
