Defective Model: SAMSUNG A10
Released 2019, March 19
Version: SM-A105F
Defect Phenomenon
Samsung Galaxy A10 Cannot Boot, press the power button no response, and with 30mA current leakage when connected with DC power supply.
Troubleshooting
Press start-up button no response, normally is caused by below possible reasons:
1. Charging IC get damaged
2. The public voltage like V_BATTERY with problem
3. No voltage on the POWER_KEY rail
Repair Process
Based on repair experience,first just replace a new charging IC directly, the issue still unresolved.
Then connect the DC power supply with public voltage V_BATTERY, find 450mA current leakage.
Use the rosin inspection method, find the out the rosin on the RF chip get melted
Get it replaced with a new one.
Repair Test
Assemble the phone and test, can be booted normally.
The issue get resolved.