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Samsung SGH-C270 Service Manual page 52

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Flow Chart of Troubleshooting
U202
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
D11
NBE0
E12
NBE1
A12
NCS0
B12
NCS1
A11
NCS2
J1 9
PCM_CL K
H15
PCM_DI
H16
PCM_DO
J1 8
PCM_SYN C
W15
PMU_VI O
W14
PMU_VANA
V15
PMU_VMEM
W12
PMU_VPERM
W13
PMU_VRF
V14
PMU_VSI M
T8
POK_I N
V8
POK_OUT
T7
PWM_OUT0
T5
PWM_OUT1
T6
PWM_OUT2
W8
ICHGN
W9
ICHGP
E1
RFID_ N
D1
RFID_ P
G1
RFIL_N
F1
RFIL_P
C1
RFIP_N
B1
RFIP_P
A1
RFO H
A2
RFO L
L18
UART0_RD
K18
UART0_TD
W5
UART1_RD
V5
UART1_TD
V7
UART1_CTS
W6
UART1_RTS
A7
XTAL_26M_1
A6
XTAL_26M_2
OSC200
L19
XTAL_32K_1
K19
XTAL_32K_2
1
B8
XTAL_SHLD
4
A8
XTAL_SHLD
B6
XTAL_SHLD
A5
XTAL_SHLD
B7
XTAL_SHLD
B5
XTAL_SHLD
H19
SIM_CL K
H18
SIM_DATA
G16
SIM_RST
T1
SSI_CLK
U1
SSI_DAT A
U2
SSI_OUT
R1
9-32
LB
UB
NCS 0
NCSFLASH
NCSRA M
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM_3.0V
ONKEY_2
ONKEY_1
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TD
UART0_RD
UART1_RD
UART1_TD
UART1_CTS
UART1_RTS
1
2
GND1
HOT
2
3
HOT
GND2
3
4
SIM_CL K
SIM_DAT A
SIM_RST
FM_INT
FM_RST
LED_EN
OSC201

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