LG LG-P970 - Page 210

- 210 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
325R
K001
100n
C508
CN502
4
3
2
1
G1
G2
ZD501
VA501
K6.
0
8
815R
470n
C520
C510
3.3p
OJ501
C506
1u
K001 425R
1u
C528
C509
10p
U502
65
74
83
92
101
11
PGND
VIN BATT
ISET PGB
GND1 CHGSB
LDO GND2
IEOC EN_SET
405R065
R503
100K
C512
1u
605R
K001
C511
2.2u
K2 505R
100u
C507
U504
9 01 11
54
63
72
81
EN VDP
PWM GND
MODE VDD
GAIN VDN
3CN 2CN 1CN
2.2u
C517
R517
DNI
IND
015R
0
615R
10nC519
C521
0.1u
225R
051
U506
9
74
81
6
5
32
CELL VDD
ALRT
QSTRT
CTG SDA
GND SCL
DNGP
K001
105R
10n
C526
K1
125R
U505
5
3
2
4
1
OUT2
VDD
GND
NC
OUT1
C513
1u
C524
1u
2.2K
R502
VBAT
VCHG
1uC502
U501
MAX14526DEEWP
2B 1C 2C
C3 A2
C4
D3
D1 D4
A1
B1
A3
B4 B3
B5 A5
C5 A4
D5 D2
BATVB
DN1COMN1
DP2COMP2
U1UID
U2
RES
MIC
AUD1CAP
AUD2
GND
ISETIC
L
CS
ADS
T
N
I
0.1u
C501
VBAT
VBAT
VBAT
USB_VBUS
1.8V_VIO
1.8V_VIO
1.8V_VIO
1.8V_VIO
1.8V_VIO
LCS_2C2I
I2C2_SCL
A
DS
_
2C
2
I
I2C2_SDA
VCHG
CHG_EN_SET_N_OMAP
VIBE_EN
VIBE_PWM
CHG_STATUS_N_OMAP
N_TNI_CI
U
M
UART_RX
UART_TX
CARKIT_DETECT_S
CRADLE_DETECT_N
GAUGE_INT
BATT_THM_ADC
USB_DM_TWL
USB_DP_TWL
3.0V_MOTOR
VIB_N
USB_ID
USB_DM
VIB_P
USB_DP
Hall IC
Change to 4 Pin type if neccessory
MUIC
SCREW HOLE
MAX17043(TEST)
CHARGER IC
Close to batt. connector
BATTERY CONNECTOR
GND pad on the bottom of chip has to be connected to main GND trace through many vias for heat emission.
MOTOR DRIVER
1%
FUEL GAUGE IC
90ohm matching !!90ohm matching !!