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Help me probleme t56 eror G-j1

Wath is the probleme

Wath is the probleme
flashdm Posted at 2022-11-1 06:19

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回复 2# flashdm

This is ISP PIN1 short circuit to ground。Q401 may be bad. Please replace it.
(Q401:  BC817-40W Package:SOT323)

Q401.png

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