Sim Part - Samsung GT-E2330B Service Manual

8-3-4. Sim Part

Phone can't access SIM Card
SIM 500 pin 1(C515) ≒ 2.85V
After Power ON,
Check SIM_CLK Signal on
pin3(C517) of SIM500 in a few
(method : wiring pin 3 and
checking its waveform using an
After SIM card insert,
SIM500 pin 2( R518, SIM_RST)
(method : wiring pin 3 and check
its waveform using an
Check the SIM Card
(look over if it get damaged.)
Yes
Yes
second s.
Yes
≒ 2.85V?
oscilloscope)
Yes
Yes
END
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No
Resolder C515 R519 V502
insert SIM card & access it,
then must be sim pin1 or C515 > 2.84V
No
Resolder or Replace SIM500 connector.
(Because of not soldering well)
No
8-13
Level 3 Repair
Confirm an another PBA