LG KG245 Service Manual page 39

3. TECHNICAL BRIEF
2V85_VCAM 2V8_C_PWR
Q501
SI1305-E3
D
C505 C506
G
10u
0.1u
S
L2
L_RESET_N
L10
L_DATA00 L_DA0
J9
L_DATA01 L_DA1
K10
L_DATA02 L_DA2
H8
L_DATA03 L_DA3
H9
L_DATA04 L_DA4
J10
L_DATA05 L_DA5
G10
L_DATA06 L_DA6
G9
L_DATA07 L_DA7
G8
L_DATA08 L_DA8
F8
L_DATA09 L_DA9
F10
L_DATA10 L_DA10
E10
L_DATA11 L_DA11
F9
L_DATA12 L_DA12
D10
L_DATA13 L_DA13
E9
L_DATA14 L_DA14
C10
L_DATA15 L_DA15
H2
L_DATA16 L_DA16
G1
L_DATA17 L_DA17
L1
L_MAIN_LCD_CS L_CS_N
K2
LCD_WR L_WR_N
K1
LCD_RD L_RD_N
K3
LCD_RS L_ADS
K9
L_SUB_LCD_CS LS_CS_N
R508
100K
A.Camera Interface : Allows you to use the built-in camera to take photos with the phone . The phone
encodes up to 640 x 480 size with free size support.
B.U503 : Camera back-end IC. Camera signal is delivered from Camera Sensor to Camera IC(Q501).
C. Q501,U503,U502 : Regulator for U503 and Camera sensor.
CAMERA CTL IC
CAMERA/MIDI LDO
2V85_VCAM
K5
VDDS
J2
VDDL
B9
VDDI1
C7
VDDI2
A8
VDDC1
A10
VDDC2
D2
VDDC3
H10
VDDC4 1608
U503
B2
GNDI1
EUSY0240501
E8
GNDI2
J3
(Core Logic, CL761A)
GNDI3
K6
GNDI4
A5
GNDC1
B5
GNDC2
C5
GNDC3
F2
GNDC4
L5
GNDC5
A2
XIN
A1
XOUT
R509
100K
Figure 3-23. CL761 CAMERA IC CIRCUIT
- 40 -
VBAT
ONNOFF
C501 C502
1u 0.01u
2V85_VCAM
(1.8V=150mA, 2.85V=300mA)
C507 C508 C509 C510 C511
0.1u 0.01u 1u 1u 1u
WHITE/FLASH LED LDO
C515 C516
4.7u 0.01u
VBAT
26MHz
C517
4.7u
R506
C_FLASH
1.5K
R511
LCD_DIM_CTL
1.5K
R512 R507
1K 1K
1V8_MIDI_CORE 2V85_VCAM
U501
1 10
VIN VOUT1
2 9
EN1 VOUT2
3 8
EN2 NC3
4 7
BYP NC2
6
GND
5 11
NC1 BGND C503 C504
1u
10u
MIC2211-GOYML
R505
4 3 FB501
VIN VOUT_FL
22
13
FB502
VOUT_BL
9 U502
GND
17 8
PGND NC
16 5
EN_FLSH ISINK1 MLED1
6
ISINK2 MLED2
10 7
EN_SET ISINK3 MLED3
AAT2807AIXN-4.5
C518 C519
1u 1u
FLASH_LED
MLED