Electronics > Repair

Please help me identify this component (BD1)

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fzabkar:
The application diagrams on pages 68 and 69 of the datasheet show that the serial flash IC is powered from a 1.8V supply generated by the 1V8 SMPS block within the CSR8635 IC. The supply for this block comes from either VBAT or another internal 3V3 LDO regulator whose source is the USB VBUS.

In short, it appears that the main IC is dead.

RocknRoll:
Thank you for this. What do you mean by the main IC ? Do you mean the eeprom chip?

fzabkar:
CSR8635.

RocknRoll:
Many thanks. Your technical expertise is much appreciated. :clap:

RocknRoll:
I actually have a quick question. Will replacing the main chip recover function or will I need to burn a firmware into the BT chip ?

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