Samsung A10 30mA Current Leakage Cannot Boot

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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

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Repair Process

Based on repair experience,first just replace a new charging IC directly, the issue still unresolved.

33

 

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

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Get it replaced with a new one.

 

Repair Test

Assemble the phone and test, can be booted normally.

The issue get resolved.

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REWA Academy

As an enthusiastic educator and expert in mobile technology, REWA Academy has dedicated its career to empowering individuals through technical education. With a keen focus on cellphone repairs, they have developed comprehensive online and offline courses at REWA Academy. Their expertise spans a wide array of areas, including iPhone repair training, phone hardware, software, and advanced troubleshooting techniques. Through their writings, they aim to demystify mobile technology complexities, making it accessible and understandable for both novices and professionals in the field.

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