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SIM20 1 pin 1
or R212 "H=3.0V" ?
Yes
After Power ON,
Check SIM_CLK_2 Signal on
pin3 of SIM201 in a few second
(method : wiring pin 3 and
checking its waveform using an
oscilloscope)
Yes
After SIM card insert,
SIM201 pin 2(SIM_RST_2) =
"H=3.0V"?
(method : wiring pin 2 and check
its waveform using an
oscilloscope) oscilloscope)
Yes
Check the SIM Card
(look over if it get damaged.)
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
insert SIM card & access it,
then must be sim pin1 or R212 "H=3.0V"
No
Resolder or Replace SIM201 connector.
(Because of not soldering well)
No
Confirm an another PBA(U200)
8-14
Level 3 Repair
Resolder R212, C231
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