Samsung SGH-E570 Service Manual page 23

Flow Chart of Troubleshooting
CPTSTSTOP_CKO T17
UCP101
OSC101
C128
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D_A1 W2
D_A0 V1
TEST3 V16
TEST2 T14
TEST1 U15
ATDO_PWM2 T13
L5
ATDI_RTS1
ATCK_CTS1 M4
K12
ATMS_PIO45
PIO31_IRQ6 P12
P16
PIO00_IRQ5
IRQ4 P18
IRQ3
P17
IRQ2 M19
IRQ1
M16
PIO47 J16
R14
PIO34
PIO33 U18
CHG_OFF
EAR_SWITCH
CHG_DET
VBT_EN
EAR_SEL
AMP_EN
LCD_DIM
XOENAQ
PWR_KEEP
CLK32K
RTCALARM
C126
MCI_DAT0_EN
MCI_DAT_EN
MCI_CMD_EN
MCI_DAT0
MCI_CMD
MCI_CLK
RST
3-6
R121
TR_RST
VR101