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Flow Chart of Troubleshooting
7-26
typical 3.8V
4
OUU
SAG
3
6 V+
U503
+IN 1
ENABLE
52
GND
+VDD_TV
R522
VBAT
TA534
1
IN
NC 4
NO
6
V+
2
U512
5
COM
3 GND
R520
T_OUT
TXD1_TVOUT
VDD_TV_EN
TXD1
3
HOT
OSC300
2
GND1
GND2
4
HOT
1
TP312
TP301
TP300
R340
+VDD_TV
+VDD_TV
R328
C307
C305
C308
C306
R306
R305
TP314
TP302
R301
TP310
R308
LS_CS_N
P5
L_DA0
P6
GPIO1_D0
P7
GPIO1_D1
P8
GPIO1_D4
GPIO1_D7
P9
L_DA3
P
10
V
D
D
G
1
P11
GPIO2_D9
P12
TESTMODE
P
13
V
D
D
A
C
P14
D_SDATAIN
P2
L_DA2
P3
L_WR_N
P4
L_DA4
N3
L_DA5
N4
L_DA1
N5
L_RD_N
N6
L_PCLK
N7
GPIO1_D2
N8
GPIO1_D3
N9
GPIO1_D5
P1
S_MISO
M2
L_DA7
N1
L_DA6
N10
GPIO1_D6
N11
GPIO2_D8
N12
D_BCK
N13
D_MSCK
N14
D_SDATAOUT
N2
L_DA9
L
5
V
S
S
L
6
V
D
D
I
L7
D_SDA
L8
S_SCK
L9
D_LRCK
M1
L_DA8
M13
S_SSN
M14
TMS
K9
TRST
L1
L_DA11
L1
0
V
D
D
S
P
I
L11
S_MOSI
L1
3
V
S
S
L14
GPIO2_D10
L2
L_DA10
L4
TDI
K13
RTCK
K14
TCK
K2
L_DA17
K4
L_DA14
K5
L_DA13
K
6
V
D
D
C
K7
D_SCK
K8
A
V
D
D
T
V
J13
T_OUT
TDO
J14
J2
L_ADS
J4
L_DA16
J5
L_DA15
K1
L_DA12
K10
GPIO2_D11
K11
M_SD1
H13
T_VRO
H14
T_VREF
H2
USB_DM
H
4
V
D
D
U
S
B
H
5
V
D
D
L
C
D
J1
L_CS_N
J1
0
A
V
S
S
T
V
J1
1
M_SD7
G13
M_SD3
G14
M_SD2
G2
GPIO2_D14
G
4
V
D
D
C
G
5
V
S
S
H1
USB_DP
H10
M_SD0
H11
M_SD9
F13
M_SD6
F14
M_SD4
F2
C_PWDN
F4
C_D7
F
5
V
D
D
I
G1
GPIO2_D15
G10
M_SD5
G11
C_D1
E5
C_D4
E6
SD_D5_SD_3
E7
M_INTR
E8
M_SD13
E9
M_SA1
F
1
V
S
S
F10
M_SD8
F11
V
D
D
C
D9
XRTS0
E1
C_D6
E10
M_SD12
E11
M_SD14
E13
M_SD10
E14
M_SD11
E2
C_D5
E4
MS_CS_N
D13
M_SD15
D14
M_SA0
D2
C_D2
D4
C_PCLK
D
5
V
D
D
S
D6
SD_D2_SD_0
M_ADS
D7
D
8
B
9
V
S
S
C1
C_D0
C13
XOUT
C14
XIN
C2
C_MCLK
D1
C_D3
M_HOLD
D10
D11
V
D
D
P
L
L
B
14
V
S
S
P
L
L
B2
C_SDA
B
3
V
S
S
B4
STROBE
B5
SD_D3_SD_1
B
6
V
D
D
S
D
B7
SD_D0_SCLK
B8
GPIO2_D12
V
S
S
Q
A7
SD_D1_SCMD
A8
GPIO2_D13
A
9
V
D
D
I
B1
C_SCK
B10
M_SA2
B11
SOUT0
M_RESET_N
B12
B
13
XCTS0
A12
SIN0
A13
M_WR_N
A14
M_RD_N
A2
C_HS
A3
C_RST
A
4
V
D
D
C
A5
SD_D4_SD_2
A
6
U315
1
N
C
2
N
C
A1
C_VS
A10
M_CS_N
A11
VR301
+VDD_IO_LOW
+VDD_IO_LOW
C304
C303
+VDD_CAM
+VDD_IO_HIGH
C309
VR302
VR300
R338
R307
R339
+VDD_HERA
+VDD_GSM_CORE
R309
IMAGE_RST
M_SCL
VDD_TV_EN
T_OUT
EARSPK_COM
HA(20)
STANDBY
LD(9)
LD(8)
LD(7)
LD(6)
LD(5)
LD(4)
LD(3)
LD(2)
LD(1)
LD(0)
LD(0:15)
HD(0)
HD(0:15)
Y(7)
Y(6)
Y(5)
Y(4)
Y(3)
Y(2)
Y(1)
Y(0)
Y(0:7)
LD(15)
LD(14)
LD(13)
LD(12)
LD(11)
LD(10)
HD(15)
HD(14)
HD(13)
HD(12)
HD(11)
HD(10)
HD(9)
HD(8)
HD(7)
HD(6)
HD(5)
HD(4)
HD(3)
HD(2)
HD(1)
PCLK
M_CLK
HSYNC
WEn
OEn
IMAGE_INT
M_HOLD
CS3n_IMAGE
HA(1)
HA(2)
L_WRB
LCD_MAIN_CS
RS
VDD_CAM_EN
I2S_SDATAIN
I2S_MCKI
I2S_SDATAOUT
I2S_BCK
I2S_LRCK
VSYNC
M_SDA
S_RST