Flow Chart Of Troubleshooting - Samsung SGH-P520 Service Manual

VCCD_1.8V
C508
D1[0:15]
D1(0)
D1(1)
D1(2)
D1(3)
D1(4)
D1(5)
D1(6)
D1(7)
D1(8)
D1(9)
D1(10)
D1(11)
D1(12)
D1(13)
D1(14)
D1(15)
HERA_CS
A1(18)
OSC500
CP_OEN
CP_WEN
A1(8)
R507
2
1
HERA_INT
M_HOLD
3 4
HERA_RST
CAM_D(0:7)
C524 C525
C526
VCAM_2.8V_D
CAM_HSYNC
CAM_VSYNC
R509 R510
CAM_RST
P_CLK
M_CLK
C_SDA
C_SCL
TI_MSCK
TI_LRCK
SCL
SDA
TI_SDOUT
VTI_1.8V
TI_SDIN
LCD_D(0:15)
R516 R517
MLCD_CS
LCD_WEN
LCD_ADS
VCAM_2.8V_D
VCORE_1.2V
VCORE_1.2V_O
VCORE_1.2V_PLL
C500
C509 C510 C511
A14
A1(1)
M_SA0
B13
A1(2)
M_SA1
C11
M_SA2
G11
M_SD0
E14
M_SD1
F13
M_SD2
F12
M_SD3
F11
M_SD4
E13
M_SD5
D14
M_SD6
E12
M_SD7
E11
M_SD8
C14
M_SD9
D13
M_SD10
D12
M_SD11
D11
M_SD12
C13
M_SD13
B14
M_SD14
C12
M_SD15
TP501
B10
M_CS_N
B11
MS_CS_N
C10
M_RD_N
D9
M_WR_N
A13
M_ADS
B12
M_INTR
A12
M_HOLD
D10
M_RESET_N
H14
XIN
G14
XOUT
CAM_D(0)
D1
C_D0
CAM_D(1)
D2
C_D1
CAM_D(2)
D3
C_D2
CAM_D(3)
D4
C_D3
CAM_D(4)
D5
C_D4
U504
CAM_D(5)
E1
C_D5
CAM_D(6)
E2
C_D6
CAM_D(7)
E3
C_D7
B4
C_HS
C1
C_VS
B3
C_RST
C5
C_PCLK
C2
C_MCLK
C3
C_SDA
C4
C_SCK
F1
GPIOS_D15
N11
D_MSCK
P11
TI_BCK
D_BCK
M11
D_LRCK
M10
D_SCK
N10
D_SDA
P12
D_SDATAOUT
L10
D_SDATAIN
LCD_D(0)
M2
L_DA0
LCD_D(1)
M1
L_DA1
LCD_D(2)
L4
L_DA2
LCD_D(3)
L3
L_DA3
LCD_D(4)
L2
L_DA4
LCD_D(5)
L1
L_DA5
LCD_D(6) K4
L_DA6
LCD_D(7)
K3
L_DA7
LCD_D(8)
K2
L_DA8
LCD_D(9)
K1
L_DA9
LCD_D(10)
J4
L_DA10
LCD_D(11)
J3
L_DA11
LCD_D(12)
J2
L_DA12
LCD_D(13)
J1
L_DA13
LCD_D(14)
H4
L_DA14
LCD_D(15)
H3
L_DA15
H2
L_DA16
H1
L_DA17
G4
L_CS_N
L5
LS_CS_N
M3
L_WR_N
N2
L_RD_N
G3
L_ADS
N1
L_PCLK
M4
GPIOL_D13
VUSB_1.2V
VTI_1.8V
VUSB_3.3V_T
VCCD_1.8V
C501
C504
C506 C502
C512
C9
SOUT0
D8
XRTS0
B9
SIN0
A10
XCTS0
A6
N_D0
B7
N_D1
C7
N_D2
A7
N_D3
A8
N_D4
B8
N_D5
A9
N_D6
C8
N_D7
M6
N_RE_N
M8
N_WE_N
N8
N_ALE
P8
N_CLE
P6
N_CS_N
N6
VCCD_1.8V
N_RDY
A1
TDI
A2
TRST
C542
A3
TMS
A4
TCK
B5
RTCK
D6
TDO
N13
SD_D0
N12
SD_D1
M14
SD_D2
M13
SD_D3
P13
SD_CLK
N14
SD_CMD
M12
SD_WP
G2
T_VRO
G1
T_VREF
F2
T_OUT
L14
USB_DP
K14
USB_DM
K11
USB_ID
K12
USB_VBUS
K13
USB_REXT
L13
USB_VBUS_DRV
R512
B2
STROBE
J11
TESTMODE
B1
C_PWDN
A11
PWR_STRB
G12
G_INT
F14
MASTER0
M5
GPIO1_D0
L8
GPIO1_D1
P9
GPIO1_D2
N9
GPIO1_D3
L9
GPIO1_D4
P10
GPIO1_D5
N5
GPIO1_D6
P14
GPIO1_D7
A5
NC
B6
NC
C6
NC
D7
NC
E4
NC
G13
NC
L6
NC
L7
NC
M7
NC
N3
NC
N4
NC
N7
NC
P1
NC
P2
NC
P3
NC
P4
NC
P5
NC
P7
NC
1
NC
2
NC
10-19

Flow Chart of Troubleshooting

VUSB_3.3V_C
C507 C503
VUSB_3.3V_C
R508
VUSB_5.0V
PWR_STRB
VCAM_EN
LCD_FLM
USB_CHG_ON
USB_EN
USB_HERA+
USB_HERA-