LG F1200 Service Manual page 38

(2) Camera Interface
In F1200, Camera Back-End-chip is applied for camera flow control and power control
respectively.
The full scheme is shown in Figure 26.
CAMERA
SI1305
Q401
FB400
C415
C414
10u 0.1u
LCD_D(0:7)
LCD_D(0)
LCD_D(1)
LCD_D(2)
LCD_D(3)
LCD_D(4)
LCD_D(5)
LCD_D(6)
LCD_D(7)
LCD_CS
LCD_WR
LCD_RD
LCD_ADS
R565
A(1)
R566
A(2)
D(0:15)
The U507 is Camera Application processor. ( Corelogic's CL761A ) It also supports 80-type
LCD interface. It has 16-bit 80-type Parallel Host I/F and supports up to VGA resolution. If
C_hold go to low, camera-system is operated. Camera-power is on and the initial setting and
mode changing of camera module is done through I2C Bus by U507. Camera power system is
controlled by the C_pwon pin of U507 which go to low and Operating Voltage is 2.8V.
TP514 TP516
C416
27p
L2
L_RESET_N
L10
L_DA0
J9
L_DA1
K10
L_DA2
H8
L_DA3
H9
L_DA4
J10
L_DA5
G10
L_DA6
G9
L_DA7
G8
L_DA8
F8
L_DA9
F10
L_DA10
E10
L_DA11
F9
L_DA12
D10
L_DA13
E9
L_DA14
C10
L_DA15
H2
L_DA16
G1
L_DA17
L1
L_CS_N
K2
L_WR_N
K1
L_RD_N
K3
L_ADS
TP508 K9
LS_CS_N
0
0
TP515
Figure 26. Camera Interface scheme
- 37 -
K5
VDDS
J2
VDDL
B9
VDDI1
C7
VDDI2
A8
VDDC1
A10
VDDC2
D2
VDDC3
H10
VDDC4
U507
B2
GNDI1
E8
CL761A
GNDI2
J3
GNDI3
K6
GNDI4
A5
GNDC1
B5
GNDC2
C5
GNDC3
F2
GNDC4
L5
GNDC5
A2
XIN
A1
XOUT
R560
3. TECHNICAL BRIEF
CAM_D(7)
CAM_D(6)
CAM_D(5)
CAM_D(4)
CAM_D(3)
CAM_D(2)
CAM_D(1)
CAM_D(0)
CAM_SCK
CAM_SDA
CAM_PCLK
CAM_RST
CAM_HS
CAM_VS
CAM_MCLK
2.8V_DSP
C564 C565
C574
0.1u 0.01u
4.7u
CAM_CLK
0
TP519
LCD_RST
TP518
C_HOLD
TP517
C_INT
_WR
_RD
L_CS