Trans Flash Card Part - Samsung SGH-E890 Service Manual

Flow Chart of Troubleshooting

9-11. Trans Flash Card part

T-Flash card does not work
Check the 1 pin of U310
Check the clock at 4 pin
Yes
(2.9V)
Yes
of U311
Yes
Check the 2 pin of
CD300 is high
Yes
Is it working?
Yes
END
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No
Check 1 pin of U310, it should be
No
Check the related circuit
No
Check the related circuit
No
Change T-Flash Card
9-20
high