Sim Part - Samsung SGH-P960 Service Manual

9-1-7. SIM Part

Phone can not access a
SIM card
YES
CD600: pin11 is 'High'
during power on? (C618)
YES
After Power on,
Check SIM_CLK_PMIC
signal at CD600: pin #15
in a few seconds (C621)
YES
After SIM card insert,
SIM_RST_PMIC signal at
CD600: pin #15 is
'High'(C620) ?
YES
Check the SIM Card
YES
END
TFLASH_2.8V
VREG_MSME_1.8V
R615
TFLASH_DATA(2)
TFLASH_DATA(3)
TFLASH_CMD
TFLASH_CLK
TFLASH_DATA(0)
TFLASH_DATA(1)
TFLASH_DET
SIM_RST_PMIC
SIM_CLK_PMIC
SIM_IO_PMIC
NO
NO
NO
C617
C620 C621
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Check the U401
Check OSC400 (32KHz)
Replace PBA
VREG_USIM_3.0V
CD600
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
C618 C619
26 NC
27
NC
28 NC
9-13
Flow Chart of Troubleshooting