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Flow Chart of Troubleshooting
7-
20
7-11. Trans Flash Card part
T-Flash card does not work
Yes
No
Check 6 pin of U503, it should be
high
Check the 5 pin of U503
(3.3V)
Yes
Check the clock at 4 pin
of U504
No
Check the related circuit
Yes
Check the 2 pin of
CN500 is high
No
Check the related circuit
Yes
Is it working?
No
Change T-Flash Card
END
Yes