FLY VK3100 Service Manual page 65

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T - Flash Trouble
T - Flash Trouble
VK Quality Group GSM C/S
START START
NO
T-Flash Card Replace T-Flash
OK?
T-Flash Con
NO
(J403) Well Resoldering J403
Solder?
YES
NO
T-Flash Con Check 3.3V LDO
3.3V OK?
T-Flash Control
NO
Backend IC(U701)
& DATA signal
Rework or Replace
OK?
YES
Replace T-Flash
Con
END END
Card
U404