Sim Part - Samsung SGH-i200 Service Manual

Flow Chart of Troubleshooting and Circuit Diagrams

10-1-3. Sim Part

Phone Can't acc ess SIM Card Phone Can't acc ess SIM Card
Pin 11, 14 at SIM400 ="H"? Pin 11, 14 at SIM400 ="H"?
After Power On After Power On
Check SIM_CLK Signal on Check SIM_CLK Signal on
Pin 15 at SIM400 Pin 15 at SIM400
After SIM c ard insert, After SIM c ard insert,
SIM400 pin13 (C440) SIM400 pin13 (C440)
="High(SIM_RST)" ="High(SIM_RST)"
Check the SIM card Check the SIM card
VMMC_3.0V
SIM400
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
NC
Yes Yes
Yes Yes
Yes Yes
Yes Yes
VCC_1.8V
VSIM_2.9V
ZD400
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No No
No No
Check the SIM Clock Check the SIM Clock
No No
Resolder SIM400 or replace PBA Resolder SIM400 or replace PBA
TF_DO(2)
TF_DO(3)
TF_CMD_OUT
TF_CLK_OUT
TF_DO(0)
TF_DO(1)
TF_DET
SIM_RST
SIM_CLK
SIM_IO
C439
10-12
Replace U404 Replace U404
C62 1 C622
R425