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Samsung GT-B7320L Servise Manual page 19

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Flow Chart of Troubleshooting
13
GND GND
LCD_B(0)
6 IN6
LCD_B(1)
IN5
5
LCD_B(2)
IN4
4
LCD_B(3)
IN3
3
LCD_B(4)
IN2
2
IN1
1
F803
13
GND GND
LCD_G(0)
6 IN6
LCD_G(1)
IN5
5
LCD_G(2)
IN4
4
LCD_G(3)
IN3
3
LCD_G(5)
IN2
2
LCD_G(4)
IN1
1
F804
V_BAT
C715
L703
A1
T1
A5
T2
E5
T3
WPWMIN
E1
T4
U707
B3
GC1
RESETB
C4
GC2
C2
I2C_SDA
SDA
D2
I2C_SCL
SCL
14
LCD_F(0)
OUT6
7
LCD_F(1)
OUT5
8
LCD_F(2)
OUT4
9
LCD_F(3)
OUT3
10
OUT2
LCD_F(4)
11
OUT1
12
14
LCD_F(5)
OUT6
7
LCD_F(6)
OUT5
8
LCD_F(7)
OUT4
9
LCD_F(8)
OUT3
10
OUT2
LCD_F(10)
11
OUT1
LCD_F(9)
12
C714
D701
LED+_23V
LED-
D1
VIO
B1
B4
SBIAS
B5
SSENS
D3
LCD_BL_RST
E4
SW
1
NC
2
NC
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1
LCD_R(0)
2
LCD_R(1)
3
LCD_R(2)
4
LCD_R(3)
5
IN5
LCD_R(4)
6 IN6
L
C
D
_
D
E
VREG_MSMP_2.6V
LCD_EN
9-4
F805
12
IN1
OUT1
LCD_F(11)
11
IN2
OUT2
LCD_F(12)
10
OUT3
IN3
LCD_F(13)
9
OUT4
IN4
LCD_F(14)
8
OUT5
LCD_F(15)
7
OUT6
L
C
D
GND GND
13
14
V_BAT
U709
4
VOUT 1
VDD
3
CE
GND
5
_
D
E
_
F
VLCD_3.0V
2

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