Samsung SGH-A737 Service Manual page 40

Flow Chart of Troubleshooting
- Schematic for SIM connection
VREG_MSMP_2.6V
CD400
1
SW-B
2
SW-A
3
1
4
2
5
3
6
4
7
5
8
6
9
7
10
8
C1 11
12
C5
C2 13
14
C6
15
C3
C7 16
NC 17
NC 18
19
NC
NC 20
21
NC
22
NC
23
NC
- Layout for SIM connection
VREG_SD_2.8V
R424
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VREG_USIM_3.0V
9-6
T_FLASH_DETECT
T_FLASH_D(2)
T_FLASH_D(3)
T_FLASH_CMD
T_FLASH_CLK
T_FLASH_D(0)
T_FLASH_D(1)
USIM_RST
USIM_CLK
USIM_IO