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TMDSCNCD28379D: DSP board damaged

Part Number: TMDSCNCD28379D


Tool/software:

"Error connecting to the target:
(Error -2131 @ 0x0)
Unable to access device register. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK).

this error when i try to dump a code, and also LD1, LD2, and LD3 are not ON when i switch on the board. Then the IC looks a bit overheated.

I have made sure that the device is powered, and it used to work normally.

How can I find the broken component and replace it step by step?

Thanks,

Allen