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8-3-2. SIM part
"Insert SIM card" is displayed on the LCD
Check the connection of
Check the connection
SAMSUNG Proprietary-Contents may change without notice
HDC401 to SIM card
YES
C450,C451,C453
YES
Check the voltage
@ C452 = 3.0V ?
YES
Replace Board(PBA)
previous step
This Document can not be used without Samsung's authorization
NO
insert SIM card again
after check connection HDC401
NO
Put more lead each terminal
NO
Put more lead each terminal
Back to
NO
8-7
Level 3 Repair
Does Phone accept
the SIM card?
YES
END
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