Samsung SGH-S720i Service Manual page 38

VCCD_1.8V VCCD_2.9V
LCD_F(0:7)
C505 C506 C507 C508
C504 C509
D(0:15)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
8 OUT1
LCD_D(0)
7
OUT2
LCD_D(2)
6 OUT3
LCD_D(4)
5
OUT4
LCD_D(6)
GND
9 10
F604
7
OUT
CAM_D(1)
8 OUT
CAM_D(3)
9
OUT
CAM_D(5)
10 OUT
CAM_D(7)
G G
1 2
U512
C1 B7
AVDD STROBE/GPIO2
A6 A8
CVDD GPIO3
C6 A7
CVDD PWMA/GPIO4
F4
CVDD
J8 A5
CVDD DI0
F3 B5
LVDD DI1
A2 A4
SVDD DI2
D6 C5
MVDD DI3
H7 D5
RVDD DI4
B4
DI5
LCD_F(0) H4 A3
LD0 DI6
LCD_F(1) J5 C4
LD1 DI7
J6
LCD_F(2)
LD2
LCD_F(3) J2 B9
LD3 MA0
LCD_F(4) H3 C8
LD4 MA1
LCD_F(5) J1
LD5
LCD_F(6) G2 H5
LD6 LCS1
E3 J3
LCD_F(7)
LD7 LCS2
H2
LD8
H1 D1
LD9 CLKI
F2 E1
LD10 CLKO
G1
LD11
E2 C3
LD12 HREF
D3 J7
LD13 LRS
D2 E9
LD14 MCS
F1 J9
LD15 MINT
H6 B3
LD16 PCLK
G4 A9
LD17 RESET
B2
SCL
C9 A1
MD0 SDA
D7 B1
MD1 SMCKO
D8 D4
MD2 VSYNC
D9 H8
MD3 MREN
E7 G5
MD4 MWEN
E8 J4
MD5 LWEN
F6 G3
MD6 LREN
F7
MD7
F5 B8
MD8 DVSS
F8 E4
MD9 DVSS
F9 E5
MD10 DVSS
G9 E6
MD11 DVSS
G8 C2
MD12 AVSS
G7
MD13
H9 1
MD14 NC
G6 2
MD15 NC
C7
MD16[GPIO0]
B6
MD17[GPIO1]
F601
IN1 1
LCD_F(0)
2
IN2
LCD_F(2)
IN3 3
LCD_F(4)
4
IN4
LCD_F(6)
GND
IN 3
CAM_F(1)
4
IN
CAM_F(3)
IN 5
CAM_F(5)
6
IN
CAM_F(7)
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Flow Chart of Troubleshooting and Circuit Diagrams
CAM_RST
CAM_PWR_EN
CAM_F(0)
CAM_F(1)
CAM_F(2)
CAM_F(3)
CAM_F(4)
CAM_F(5)
CAM_F(6)
CAM_F(7)
A(1)
A(2)
MLCD_CS
HREF
LCD_RS
MV_CS
MV_INT
PCLK
CAM_SCL
L502
CAM_SDA
MCLK
VSYNC
CP_OEN
CP_WEN
LCD_WEN
LCD_LREN
7
OUT
CAM_D(0)
8 OUT
CAM_D(2)
9
OUT
CAM_D(4)
10 OUT
CAM_D(6)
8 OUT1
LCD_LED_EN_O
7
LCD_Q_TOUCH_SDA
6 OUT3
LCD_Q_TOUCH_SCL
5
LCD_Q_TOUCH_DET
3-21
R513
MV_RST
C511 C510
F602
IN 3
4
IN
IN 5
6
IN
G G
1 2
F606
1
IN1
LCD_LED_EN
2
OUT2 IN2
Q_TOUCH_SDA
IN3 3
Q_TOUCH_SCL
4
OUT4 IN4
Q_TOUCH_DET
GND GND
9 10
R515
OSC501
4
3
1
2
CAM_F(0)
CAM_F(2)
CAM_F(4)
CAM_F(6)