Level 3 Repair
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8-9
8-3-3. Sim Part
SIM200/SIM201 pin1/pin1 or
C210/C220
≥
3.0V?
and all pin3(SIM_CLK)
≥
3MHz ?
Replace UCP100 or PBA
insert SIM card & access it,
then must be sim pin1 or C210/C220 = "H"
Check the SIM Card
(look over if it get damaged.)
END
No
Yes
Yes
Yes
No
Resolder or Replace SIM200,SIM201
connector.(Because of not soldering well)
After Power ON,
Check SIMClk Signal on
pin3 of SIM200
,
SIM201 in a few
second(method : wiring pin 3 and
checking its waveform using an
oscilloscope)
Yes
No
Confirm an another PBA
After SIM card insert,
SIM200
,
SIM201 pin 2(SIM_RST) =
"H=3.0V"?
(method : wiring pin 3 and check
its waveform using an
oscilloscope)
Yes
Phone can't access SIM Card
Содержание SM-B105E
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