SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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7-
5
TP207
H
D
P
2
V
1
7
GPIOA6
U4
GPIOB10
V1
H
D
P
0
U
1
5
GPIOA13
U1
GPIOB9
R4
GPIOB5
R1
H
D
P
7
R
1
4
R
1
5
H
D
P
5
P
1
8
GPIOA19
P5
GPIOB8
P7
GPIOA16
P1
H
D
P
1
P
1
5
H
D
P
3
N
1
7
GPIOA0
M5
GPIOA15
L8
GPIOA18
L7
CS3
K4
GPIOA14
K7
H
D
P
4
L
1
2
GPIOA20
K11
GPIOA7
J4
BE1
J5
CS1
H5
ADV
H7
GPIOA12
J11
H
D
P
6
J
1
4
GPIOA8
H4
CS0
G2
WE_E
G4
GPIOB2
F2
ADD21
ADD23
F5
OE_R_W
E2
KCOL3
E17
KCOL0
D18
KCOL2
D17
KROW2
C17
KCOL1
C18
KROW3
B17
KCOL4
B18
KROW4
A17
KROW1
A18
KROW0
A16
TP212
+VDD_IO_LOW
TP210
TP211
TP214
TP209
TP208
TP213
6
7
8
R214
12
34
5
HA(24)
IMAGE_RST
SD_DATA
SD_CLK
ADVn
CS4n_NAND
FLASH_LED_EN
CS2n_FLASH
AUDIO_SEL
SD_DETECT
EAR_SWITCH
SD_CMD
JACK_IN
USB_CHG_ON
HA(23)
KEY_ROW(0:4)
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
RXD1
WAITn
OEN
WEN
BE1n
CS0n_FLASH
CS1n_RAM
CS3n_IMAGE
USB_IN
FLIP
KEY_COL(4)
KEY_COL(0:4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
Initial
PCF50603
(U400)
PCF5212
(U200)
I2C Communication
RSTON
SIMIO
IT_PMU
+VDD_IO_HIGH
R211
R212
SCL
SDA