Only For Training And Service Purposes - LG L704I Service Manual

0.1u
63
REF_BYP
62
REF_GND
61 121K
REF_ISET
60
VCOIN
TP317
59
MSM_INT_N
58
TCXO_IN
57
PS_HOLD
56
VREG_MSMA
55
TCXO_EN
54
VDD_ANA
53
TCXO_OUT
52
VDD_MSM
51
SBST
50
VREG_MSMP
49
SBCK
48
VBACKUP
47
SBDT
46
XTAL_OUT
45
SLEEP_CLK
44
XTAL_IN
43
RUIM_RST(MPP6)
2520 2016
4.7uH 4.7uH
L1 L2
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

C562
1u C665
R1138
V_BACK_UP
PM_INT_N
TCXO_PM
TCXO_EN
0603
+VPWR
47 R1125
BUFF_TCXO_MSM
0603
+VPWR
47K R1340
47K R1341
0603
SSBDT_PM
SLEEP_CLK
USIM_P_RST_N
C713 C714
12p 12p
+VPWR
MSM_USIM_RST_N
VREG_SD_2.85V
USIM_P_CLK
MSM_USIM_CLK
MSM_USIM_DATA
VREG_USIM_2.85V
USIM_P_DATA
1005 1005
C709 C704
2.2u 2.2u
- 99 -
4. TROUBLE SHOOTING
0603
R1139
NA
JTAG_PS_HOLD
RB521S-30
EDSY0011901
PS_HOLD
D14
C701
FC-255
4.7u
EXXY0016601
32.768KHz
X2
Artwork --> Place crystal and load caps close to PM6650 !!
1
ADC_BYP
2
VCHG
3
ISNS_P
4
CHG_CTL_N
5
ISNS_M
VREG_MSMA_2.6V
VREG_MSMP_2.7V
LGE Internal Use Only