Samsung GT-i9001 Service Manual page 44

8-3-4 T-Flash
Insert T-Flash card
Can't recognize T-Flash
Check the connection of the
After inserting a T-Flash card,
T_FLASH_DETECT(V300)
Is the T-Flash recognized ?
Yes
HEA300
Yes
Check
= 0V
Yes
Yes
END
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No
Reconnect the Sub PCB
No
No
Resolder or Replace U501
8-15
Level 3 Repair
Change Sub PCB