LG -P768 Service Manual page 150

PCB VERSION CHECK
VSEL_1.8V
# PCB Revision Check ADC
REV(HW) R1 R2 VDD
R1 EVB 150K 10K 1.8V
R701
1%
150K
A(P760 A) 150K 47K 1.8V
150K 68K 1.8V
B(P760,P768 A)
PCB_VER_ADC
C(P760 B) 150K 100K 1.8V
R702
R2 D(P760,P768_B) 150K 130K 1.8V
1%
330k E 150K 180K 1.8V
Rev.1.0 150K 240K 1.8V
Rev.1.1 150K 330K 1.8V
VPMIC_VRTC
BOOT3
BOOT2
BOOT1
BOOT0
G10
VPROG
A16
PBKG_B51
B16
PBKG_B53
C713 0.1u G12
VBG
H12
R719 1M IREF
A9
REFGND_B1
F12
REFGND_B2
USB_VBUS
E12
ID
C1
VBUS_B1
D1
VBUS_B2
C2
VBUS_B3
C719
D2
VBUS_B4
4.7u
J7
CHRG_EXTCHRG_ENZ
F4
VAC
E5
CHRG_DET_N
H7
CHRG_EXTCHRG_STATZ
D5
CHRG_LED_TEST
D6
CHRG_LED_IN
A3
CHRG_SW_B1
A4
CHRG_SW_B2
B4
CHRG_SW_B3
B3
CHRG_SW_B4
G2
CHRG_BOOT
E4
CHRG_CSIN
D4
CHRG_CSOUT
E6
CHRG_AUXPWR
E1
CHRG_PMID_B1
F1
CHRG_PMID_B2
E2
CHRG_PMID_B3
F2
CHRG_PMID_B4
F5
CHRG_VREF
E9
CLK32K_AUD CLK32KAUDIO
H10
CLK32K_MAIN CLK32KAO
J10
CLK32K_GATE CLK32KG
A10
OSC32KIN
A8
32.768KHz
OSC32KOUT
E8
NX3215SA OSC32KCAP
NIHON-DEMPA C732 C733
8p 8p
C735
2.2u
revA(10pF) -> revB(8pF)
VBAT
C737
2.2u
LGE Internal Use Only
SEL0 SEL1
UART_RX(D-) UART_TX(D+)
ADC
0 0 NC NC
0.113V
0.429V 1 0
UART4_RX_OMAP(HSD1-) UART4_TX_OMAP(HSD1+)
0.561V
0 1 UART4_RX_SW(HSD2-)
UART4_TX_SW(HSD2+)
0.720V
0.836V
1 USB_D-_IFX(HSD3-) USB_D+_IFX(HSD3+)
1
0.982V
1.108V
1.238V
P760_RevD/P768_RevB : LDO Change (=Dual LDO of RevA)
revA -> revB Sensor_LDO_EN DNI
VSEL_1.8V
revd->rev1.0 : TOUCH_LDO_EN delete
revA -> revB : Change 5% -> 1%
U702
TWL6030B107CMR
EAN62093401
PMIC
C738 C739 C740 C741 C742 C743 VSEL_2.1V
2.2u 2.2u 2.2u 2.2u 2.2u 2.2u VSEL_1.8V
C744 C745
1u 2.2u
C746 C747 C748 C758 C750 C751 C752 C753
1u 2.2u 1u 1u 1u 1u
2.2u 2.2u
rev1.0 -> rev1.1 : Change for CI, 2.2uF -> 1uF
C746,C748,C750,C751,C752,C754,C756
DP3T SWITCH
BATTERY CONNECTOR
# VBAT LINE WIDTH (STAR Connection)
U704
GSM PA : 2mm -> WCDMA PA 1mm
FSUSB63
TWL6030 : 1.5mm
6
HSD1+ UART4_TX_OMAP
1 8
UART_TX UART_TX_SW
D+ HSD2+
XMM6260 : 1mm
10
HSD3+ USB_D+_IFX
5
UART4_RX_OMAP CHARGER : 1mm
HSD1-
VBAT
7
HSD2- UART_RX_SW
2 9
UART_RX USB_D-_IFX
D- HSD3-
12 11
UART_SW2
VCC SEL1
3 4
GND SEL0 UART_SW1
C701
C757
EAN61871401
1u
100p
(0603)
BATT_THM_ADC
GPADC_VREF
CHG_CURRENT_ADC
R762 100
BATT_THM_ADC
PCB_VER_ADC
PCB_THM_ADC PCB_THM_ADC
BATT_ID
BATT_ADC_SPG
GPADC_VREF NCP15WB473F03RC
SETY0005701
VBAT
FB701 220
T4
VCORE1_IN_B1
T3
VCORE1_IN_B2
R3
VCORE1_IN_B3
C712
L2
VCORE1_FDBK VCORE1_OMAP_MPU 4.7u
N1
VCORE1_SW_B1
P1
L701 0.68u
VCORE1_SW_B2
P2
VCORE1_SW_B3
M1
VCORE1_GND_B1 VBAT
C714 10u
L1
VCORE1_GND_B2
M2
VCORE1_GND_B3
FB702 120
T7
VCORE2_IN_B1
R7
VCORE2_IN_B2
VCORE2_OMAP_IVAUD
R4
VCORE2_FDBK
C717
T6
VCORE2_SW_B1
L702 0.47u 4.7u
R6
VCORE2_SW_B2
VBAT
T5
VCORE2_GND_B1
R5 C718 10u
VCORE2_GND_B2
FB703 120
K1
VCORE3_IN_B1
K2
VCORE3_IN_B2
VSEL_VCORE3
G1
VCORE3_FDBK
J1 C720
VCORE3_SW_B1
L703 0.47u 4.7u
J2
VCORE3_SW_B2
VBAT
H1
VCORE3_GND_B1
H2 C721 10u
VCORE3_GND_B2
FB704 220
T13
V1V8_IN_B1
T14
V1V8_IN_B2
R14
V1V8_IN_B3 C722
L15
VSEL_1.8V
V1V8_FDBK 4.7u
N16
V1V8_SW_B1
P16
L704 0.68u
V1V8_SW_B2
P15
V1V8_SW_B3
M16
V1V8_GND_B1
C723 10u
L16
V1V8_GND_B2
VBAT
M15
V1V8_GND_B3
FB705 120
C16
V2V1_IN_B1
C15
V2V1_IN_B2
VSEL_2.1V
F16
V2V1_FDBK
C724
D16
V2V1_SW_B1
L705 0.47u
D15 4.7u
V2V1_SW_B2
E16
V2V1_GND_B1
VBAT
E15 C725 10u
V2V1_GND_B2
FB706 120
K16
V1V29_IN_B1
K15
V1V29_IN_B2 VSEL_1.29V
G16
V1V29_FDBK
C727
J16
V1V29_SW_B1
L706 0.47u 4.7u
J15
V1V29_SW_B2
H16
V1V29_GND_B1 VBAT
H15 C730 10u
V1V29_GND_B2
FB707 120
T10
VMEM_IN_B1
R10
VMEM_IN_B2 VSEL_VMEM
R13
VMEM_FDBK
C731
T11
VMEM_SW_B1 4.7u
L707 0.47u
R11
VMEM_SW_B2
T12
VMEM_GND_B1
R12 C734 10u
VMEM_GND_B2
revA -> revB : Add 0 ohm
BACKUP BATT
0.1mm
R768 0
VPMIC_VUSB
C768
2.2u
VPMIC_VRTC
VPMIC_OMAP_VPP_CUST
VPMIC_VMMC TFLASH LDO
VPMIC_VDAC
Located near TWL6030
VPMIC_VCXIO
VT_1.8V_CAM_VIO
TOUCH_3.0V
VPMIC_VAUX1
TWL_LDO_3.2V
C754 C755 C756
1u 1u
2.2u
R765 4.7K
VPMIC_VMMC
- 150 -
FUEL GAUGE
BATT SPG
Close to batt. connector
DIRECTLY CONNECT TO BATTERY'S VBATT(0.05mm)
VBAT
BATT_ADC_SPG
C702 C703 C704 C705
C706
ZD701
10n 10p 6p 3p 100u PESD5V0S1UA
(0603) (0603) (0603)
revA(PSD-05) -> revB
VSEL_1.8V
VSEL_1.8V
CN701
R709
D1 A3
80.6K
(1%) 1
2
3
C710 4 A2
BATT_ID
0.47u A4
D2
EAN62421601
VA701 C708
EAG63270701
0.1u
MAXIM
00 9254 004 030 868+
R700 0
Bot Place Batt CON DIRECTLY CONNECT TO BATTERY'S GND(0.05mm)
GND_GAUGE
We should check a located 1 Pin on the PCB!
CHARGER IC
2mm
D1 C2
VCHG_OVP_OUT DC1 BST
D2
DC2
C1
BYP
D4
SFO
USB_VBUS
D3 B1
0.15mm
PVL LX1
U700
D5 B2
AVL LX2
TP760
C3 MAX8971EWP A1
GND PG1
A2
PG2
A3
CHG_CURRENT_ADC VICHG
B4 A4
VSEL_1.8V I2CIN CS
B3 A5
IRQB BAT
C5 B5
SDA THM
CHARGE_IRQ_N C4
SCL
I2C4_SDA
I2C4_SCL EAN62109401 C761
C764
C765 C766 C767
MAXIM 1u
4.7u 1u 4.7u
1u
USB RF tunning
revA -> revB : Change 1uF,25V -> 1uF, 50V
GND pad on the bottom of chip has to be connected to main GND trace
through many vias for heat emission.
MICRO USB CONN. + MUIC
USB_VBUS_CON
VBAT
VCHG rev1.0 : delete USB_DM/DP/ID, VBUS,GND TP
2mm
FL700
NFM18PC104R1C3
IN OUT
GND1 GND2
C729
SFEY0015301 C726
10n
100n
E1
VBUS UART_TX
USB- E2
USB_DM DM UART_RX
90ohm matching !! USB+ E3
USB_DP
DP
D3
USB_ID ID USB_DM
USB_ID1
USB_DP
R723 2.2K IC701
A3
D700 R2_2K AUDIO_L
TSU5611YZPR
AUDIO_R
EAN62210001
MIC
DSS
_INT
A1
CLDO SDA
SCL
C736
GND
10n
TP703
OVP
revA -> revB (Add OVP)
VCHG VCHG_OVP_OUT
VBAT 3.0V_MICROSD
2mm
U706 MAX14528
U705 RP101K302D
2mm
1 7
IN1 OUT1
4 1 2 8
VDD VOUT IN2 OUT2
3 2
CE GND
4
C775
IC1
C774
3 5 1u
C771 OVLO IC2
C770 1u
EUSY0365101 1u
1u
EUSY0374601
Copyright © 2012 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
VBAT
0.1mm
VSEL_1.8V
U701 MAX17048
A1
VDD CTG
B3
QSTRT
B4
GAUGE_INT
ALRT
B1
I2C4_SDA
CELL SDA
B2
GND SCL I2C4_SCL
C709
1u
GND_GAUGE
2A
1u L760
EAP62187401
MAKK2016T1ROM
revA -> revB (size 2520 -> 2016)
1608
2mm
VBAT
C772
C762 C763
2.2u 100p
1n
(0603)
C4
UART_TX
90ohm matching !!
C3
UART_RX
VSEL_1.8V
D4
USB_DM_OMAP
90ohm matching !!
E4
USB_DP_OMAP
D1
C1
R720 R721 R722
A4
56K 1.5K 1.5K
C2
B3
MUIC_INT/
A2
I2C3_SDA
B2
I2C3_SCL
D2
R724
DNI
Only for training and service purposes