Samsung SGH-E770 Service Manual page 9

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SGH-E770 Flow Chart of Troubleshooting
A(0:24)
A(0)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
A(23)
A(24)
D(0:15)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
CP_WEN
CP_OEN
T_FLASH_ON
FLASH_RESET
ROM1_CS
ONENAND_CS
RAM_CS
LCDC_CS
YMU_CS
LOWER_BYTE
UPPER_BYTE
SIMCLK
SIMDATA
SIMRST
USB_SUSP
USB_DET
VMOT_EN
USB_VPO
USB_VMO
USB_OEN
USB_DATA
UP_SCLK
UP_SDO
UP_SDI
UP_CS
INVERT
VBT_EN
BT_RTS
BT_TXD
BT_RXD
BT_CTS
MLCD_DIM
VIB_EN
OLED_EN
SDS_TXD
SDS_RXD
KEY_COL(0:4)
PSW1_BUF
KEY_ROW(0:5)
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HP_CORE_1.6V
C202
C201
B7
A_A0
C8
A_A1
D8
A_A2
A6
A_A3
C6 A_A4
C5
A_A5
D7 A_A6
E7
A_A7
C4 A_A8
C2
A_A9
A3 A_A10
B3
A_A11
B1 A_A12
D6
A_A13
D5 A_A14
D3
A_A15
E8 A_A16
F8
A_A17
E6
A_A18
D2 A_A19
E4 A_A20
E3
A_A21
F5
A_A22
F4
A_A23
F3
A_A24
F2
PIO35_A_A25_BOOTSEL
A8 A_D0
E9
A_D1
F9
A_D2
G10
A_D3
G11 A_D4
F11
A_D5
E11
A_D6
G12
A_D7
D11
A_D8
E12
A_D9
C12 A_D10
A12
A_D11
F12 A_D12
D12
A_D13
E13 A_D14
D13 A_D15
D14 A_WEN
B14
A_OEN
E14 PIO30_WAITN
H14
FLASHRSTN
A14 A_CS0N
C15 A_CS1N
G14 A_CS2N
J14
A_CS3N
D15
A_CS4N
C16 A_CS5N
F15 A_CS6N
B17
A_CS7N
H16 A_BE0N
A17
A_BE1N
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
SAMSUNG Proprietary-Contents may change without notice
HP_CORE_1.6V
VCCD_1.8V
VRTC_1.5V
C204
C205
C206
C207
C208
IOBIT1_PIO06
IOBIT0_PIO05
SPFS1_PIO15
SPTXD1_I2SD_PIO16
SPRXD1_PIO17 M17
SPCLK1_PIO18
UCP201
CPTSTSTOP_CKO
ATDO_PWM2
OSC200
C214
CLK13M_TR
RST
R201
TDO T12
TDI V14
TCK U14
N12
CKO_IACK
N11
FLASH_EN1
V12
SPK_SEL
N15
PCM_SYNC
N16
PCM_IN
PCM_OUT
M18
PCM_CLK
T15
INT0
DSP_INT
IO W6
DSP_IO
RWN V6
DSP_RWN
D_D15 P11
DSP_DB(15)
D_D14 N10
DSP_DB(14)
N9
DSP_DB(13)
D_D13
N8
DSP_DB(12)
D_D12
D_D11 P9
DSP_DB(11)
D_D10
P8
DSP_DB(10)
D_D9 R9
DSP_DB(9)
T9
D_D8
DSP_DB(8)
D_D7 T8
DSP_DB(7)
U8
D_D6
DSP_DB(6)
V8
DSP_DB(5)
D_D5
R8
D_D4
DSP_DB(4)
D_D3 T7
DSP_DB(3)
R7
D_D2
DSP_DB(2)
D_D1 T6
DSP_DB(1)
D_D0 U6
DSP_DB(0)
R6
D_A8
DSP_AB(8)
D_A7 N6
DSP_AB(7)
V4
D_A6
DSP_AB(6)
D_A5 T5
DSP_AB(5)
D_A4 U4
DSP_AB(4)
V3
DSP_AB(3)
D_A3
W3
D_A2
DSP_AB(2)
D_A1 W2
DSP_AB(1)
V1
D_A0
DSP_AB(0)
TEST3 V16
TEST2
T14
R204
TEST1 U15
T17
T13
CP_TDO
ATDI_RTS1 L5
CP_TDI
ATCK_CTS1 M4
CP_TCK
K12
ATMS_PIO45
CP_TMS
P12
PIO31_IRQ6
CARD_INS
PIO00_IRQ5 P16
HALL_SENSOR
P18
IRQ4
LCDC_INT
IRQ3 P17
YMU_IRQ
M19
IRQ2
JACK_IN
M16
IRQ1
INTRQ
J16
PIO47
M_HOLD
PIO34 R14
USB_CON
U18
PIO33
AK_EN
CHG_OFF
EAR_SWITCH
CHG_DET
EAR_SEL
AMP_EN
MIC_SEL
PWM_MAG
XOENAQ
PWR_KEEP
CLK32K
RTCALARM
C215
MCI_DAT0_EN
MCI_CMD_EN
MCI_DAT0
MCI_CMD
MCI_CLK
DSP_DB(0:15)
DSP_AB(0:8)

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