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1.3 No Power – DDCON/LDO
IC Ref
Voltage supply
IC602
+1.05V_M2_STBY
IC603
+1.05V_M2_A_1
IC605
+1.05V_M2_ST_ET
IC606
+1.05V_M2_A_2
VCC3IO_EMMC
IC607
(1.8V)
LDOs check
START
yes
no
Check Vcc voltage
C6xx
Is voltage >3V?
yes
no
Check Enable pin
voltage
Is voltage >3V?
yes
Change LDO IC
Please refer page 1.3 No Power – DDCON/LDO
Check item summary for Ref number.
Check +3.3V_DDC_OUT
DDCON (IC403)
or
+3.3V_STBY (G* board)
1.2 No Power U-Com Failure
or
Enable source
26
(Supplementary
information)
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