Samsung SGH-i560V Service Manual page 70

Flow Chart of Troubleshooting
9-1-8 : Abnormal micro-SD operation
Insert the card
R527 level
low?
YES
C530 level
is 3.0V?
YES
Check
R521~R525
END
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NO
and check neighboring circuit
NO
NO
9-26
card insertion retry
Check UCP900
and neighboring circuit
Check UCP900
and neighboring circuit