Samsung SGH-E770 - Page 18

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SGH-E770 Flow Chart of Troubleshooting
2-14
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R423
C431
C430
C423
C424
R419
R417
R428
R430
VDD_TV_3.3V
C469
VCAM_2.8V
R432
P8
GPIO1_D7
P9
3
1
P
D_SDATAIN
P14
L_DA2
P2
L_WR_N
P3
LS_CS_N
P4
L_DA0
P5
GPIO1_D0
P6
GPIO1_D1
P7
GPIO1_D4
N6
GPIO1_D2
N7
GPIO1_D3
N8
GPIO1_D5
N9
L_DA3
P1
1
G
D
D
V
0
1
P
GPIO2_D9
P11
TESTMODE
P12
C
A
D
D
V
N11
D_BCK
N12
D_MSCK
N13
D_SDATAOUT
N14
L_DA4
N2
L_DA5
N3
L_DA1
N4
L_RD_N
N5
L_PCLK
L8
D_LRCK
L9
L_DA8
M1
S_SSN
M13
S_MISO
M14
L_DA7
M2
L_DA6
N1
GPIO1_D6
N10
GPIO2_D8
L11
S
S
V
3
1
L
GPIO2_D10
L14
L_DA10
L2
L_DA9
L4
S
S
V
5
L
I
D
D
V
6
L
D_SDA
L7
S_SCK
K4
L_DA13
K5
C
D
D
V
6
K
D_SCK
K7
TMS
K8
TRST
K9
L_DA11
L1
I
P
S
D
D
V
0
1
L
S_MOSI
J4
L_DA15
J5
L_DA12
K1
GPIO2_D11
K10
TDI
K11
RTCK
K13
TCK
K14
L_DA17
K2
L_DA14
4
H
D
C
L
D
D
V
5
H
L_CS_N
J1
V
T
S
S
V
A
0
1
J
V
T
D
D
V
A
1
1
J
T_OUT
J13
TDO
J14
L_ADS
J2
L_DA16
4
G
S
S
V
5
G
USB_DP
H1
M_SD0
H10
M_SD1
H11
T_VRO
H13
T_VREF
H14
USB_DM
H2
B
S
U
D
D
V
F4
I
D
D
V
5
F
GPIO2_D15
G1
M_SD5
G10
M_SD7
G11
M_SD3
G13
M_SD2
G14
GPIO2_D14
G2
C
D
D
V
E8
M_SA1
E9
S
S
V
1
F
M_SD8
F10
M_SD9
F11
M_SD6
F13
M_SD4
F14
C_PWDN
F2
C_D7
E11
M_SD10
E13
M_SD11
E14
C_D5
E2
C_D1
E4
C_D4
E5
SD_D5_SD_3
E6
M_INTR
E7
M_SD13
D4
S
D
D
V
5
D
SD_D2_SD_0
D6
M_ADS
D7
C
D
D
V
8
D
XRTS0
D9
C_D6
E1
M_SD12
E10
M_SD14
C14
C_MCLK
C2
C_D3
D1
M_HOLD
D10
MS_CS_N
D11
M_SD15
D13
M_SA0
D14
C_D2
D2
C_PCLK
B4
SD_D3_SD_1
B5
D
S
D
D
V
6
B
SD_D0_SCLK
B7
GPIO2_D12
B8
S
S
V
9
B
C_D0
C1
XOUT
C13
XIN
B1
M_SA2
B10
SOUT0
B11
B12
M_RESET_N
L
L
P
D
D
V
3
1
B
L
L
P
S
S
V
4
1
B
C_SDA
B2
S
S
V
3
B
STROBE
A2
C_RST
A3
C
D
D
V
4
A
SD_D4_SD_2
A5
Q
S
S
V
6
A
SD_D1_SCMD
A7
GPIO2_D13
A8
I
D
D
V
9
A
C_SCK
1
C
N
2
C_VS
A1
M_CS_N
A10
XCTS0
A11
SIN0
A12
M_WR_N
A13
M_RD_N
A14
C_HS
UCP401
C
N
C400
R421
VCCD_1.8V
VDD_TV_3.3V
R410
1
+IN
5
ENABLE
GND
2
OUU
43
SAG
V+
6
U403
R427
C429
R424
C401
VR402
C419
VDD_TV_3.3V
VCAM_2.8V
C406C405
C403
C404
L400
VCCD_2.9V
C402
GND1
2
4
GND2
1
HOT
3
HOT
OSC400
MLCD_CS
SLCD_CS
LCD_WEN
L_ADS
LCD_AD_[00:15]
LCD_AD_(00)
LCD_AD_(01)
LCD_AD_(02)
LCD_AD_(03)
LCD_AD_(04)
LCD_AD_(05)
LCD_AD_(06)
LCD_AD_(07)
LCD_AD_(08)
LCD_AD_(09)
LCD_AD_(10)
LCD_AD_(11)
LCD_AD_(12)
LCD_AD_(13)
LCD_AD_(14)
LCD_AD_(15)
SDA
SCL
D_SDIN
D_SDOUT
D_MSCK
D_BCK
D_LRCK
TV_EN
TV_OUT
VCAM_EN
P_MODE
TV_EN
CAM_DATA(0:7)
CAM_DATA(7)
CAM_DATA(6)
CAM_DATA(5)
CAM_DATA(4)
CAM_DATA(3)
CAM_DATA(2)
CAM_DATA(1)
CAM_DATA(0)
CAM_HSYNC
CAM_VSYNC
CAM_RST
M_CLK
P_CLK
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
LCDC_CS
CP_WEN
CP_OEN
A(8)
M_HOLD
LCDC_INT
FLASH_RESET
A(18)
A(1)
A(2)
D[0:15]
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)