820-00281 not boot just shows battery symbol

tech

Member
820-00281-A board came in dead condition.
when disconnected battery and plugged adapter fan spin and shows a battery symbol then off.
PPBUS G3H =12.5 volt
PP3V3 S5 = 3.3
5V S4 = 5 /PPVCC CPU =0.6Vwhen powering up
 
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