LG LG9200 Service Manual page 68

Camera Trouble (3)
C_CD(0:7)
V_CAM
L_D(0:15)
L2
L_RESET_N
L_D(0) L10
L_DA0
L_D(1) J9
L_DA1
L_D(2) K10
L_DA2
L_D(3) H8
L_DA3
L_D(4) H9
L_DA4
L_D(5) J10
L_DA5
L_D(6)
G10
L_DA6
L_D(7) G9
L_DA7
L_D(8) G8
L_DA8
L_D(9) F8
L_DA9
L_D(10) F10
L_DA10
L_D(11) E10
L_DA11
L_D(12)
F9
L_DA12
L_D(13) D10
L_DA13
L_D(14) E9
L_DA14
L_D(15) C10
L_DA15
H2
L_DA16
G1
L_DA17
L1
L_MAIN_CS L_CS_N
K2
L_WR L_WR_N
K1
L_RD_N
K3
L_A(1) L_ADS
K9
LS_CS_N
D(0:15)
• CAMERA Operation
- U701(Camera Chip/USB Controller IC) is controlled by DBB.
- The Power is supplied to U702(2.85V).
• CAMERA signal flow
- This camera signal is delivered to Camera IC(U701).
V_CAM
R730
0
K5
VDDS
J2 C730
VDDL
B9
0.1u
VDDI1
C7
VDDI2
A8
VDDC1
A10
VDDC2
D2 C733
VDDC3
H10
VDDC4
0.1u
U701
B2
GNDI1
E8
CL761A GNDI2
J3
GNDI3
K6
GNDI4
A5
GNDC1
B5
GNDC2
C5
GNDC3
F2
GNDC4
L5
GNDC5
R731
A2
XIN
A1
XOUT
R732
V_CAM
- 69 -
4. TROUBLE SHOOTING
C731 C732
VBAT
1u 4.7u
C734
10u
R751 0
LCD_RESET
C740
10u
NA
CAM_CLK_2
0
CAM_CLK_1
V_CAM
U702 MIC5255-2.85BM5
1 5
IN OUT
2
GND
3 4
EN BYP
C742 C741
0.01u 2.2u
1608