LG KE520 Service Manual page 145

7. CIRCUIT DIAGRAM
MICBIAS
MIC_ABB_P
MIC_ABB_N
CAMERA PART POWER
VBAT VCAM_CORE_15
U600 BH15LB1WHFV
1 5
CAM_PWON STBY NC
2 6
GND BGND
3 4
VIN VOUT
R607
100K
C606
1u
VBAT
U601 R1114D281D-TR-F
1 3
VDD VOUT
4 2
NC GND1
6 5
CAM_2V8_EN CE GND2
R618 C609
100K
1u
VBAT
U602 BH18PB1WHFV
1 5
CAM_1V8_EN STBY SEL
2 6
GND BGND
3 4
R623 VIN VOUT
100K
C610
1u
VRSIM
GND2 GND3
8 9
GND1 GND4
R628 24 7 10
SIM_CLK C3 C7
3 6
SIM_RST C2 C6
2 5
C1 C5
1 4
J600
C615 C616 C617
150p 150p 0.1u
LGE Internal Use Only
L600
100nH
L601 100nH
C600 0.1u MIC600
1
OUT
2
G1
C601 0.1u 3
G2
4
L602 100nH
PWR
5
G3
C602 C603
SP0204LE5-PB
27p 27p
ESD9X5.0ST5G ESD9X5.0ST5G
C607
1u
VBAT
VCAM_28
C608
1u
VCAM_18
3
R622
Q600
2
MAIN_KEY_BL_EN
KTC4075E
6.8K
1
C611
1u
R627 10K
SIM_PWRCTRL
SIM_IO
C618
22p
KEYPAD
R600
KBR(0)
150
R601
KBR(1)
150
R602
KBR(2)
150
R603 150
KBC(0)
R604 150
KBC(1)
R605 150
KBC(2)
R606 150
KBC(3)
SIDE_KEY_VOL
BATTERY TERMINAL
VBAT
SIDE_KEY_CAM+PWON
CN601
VBATS
3
BATT_TEMP
2 4
1
C613
C612 C614
10u
100p
0.1u
- 146 -
AST
1 4 7
601 602 AST
600
0
2 5 8
603 604 605 606
3 6 9 SHP
607 608 609 SHP
CN600
1 R619 150
KBC(1)
2 R620 150
KBC(0)
3 R621 150
KBR(3)
4
VA600 VA601 VA602
EVLC5S02100 EVLC5S02100 EVLC5S02100
R624 150
PWON
4 R625 150
KBC(2)
3 R626 150
KBR(3)
2
1
VA603 VA604 VA605
CN602
EVLC5S02100 EVLC5S02100 EVLC5S02100
KE520
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Only for training and service purposes