T-Flash Part Troubleshooting - Samsung SM-M307F Service Manual

8. Level 3 Repair
8-4-5. T-Flash Part
Insert T-Flash card
Is SIM socket ok?
Check the T-flash Voltage.
(C6018 = 3.0V?
Check the t-flash
CMD /Data/CLK.
(ZD6007, ZD6009, ZD6008)
Is signal ok?
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Yes
No
Yes
No
Yes
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No
Replace SIM socket
Change to the new T Flash card.
If it doesn`t still work T Flash card after
No
changing
the T FLASH, Check the U5000
(Crack etc)
No
Check the UCP400 (Crack etc)