4. TROUBLE SHOOTING
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Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4
4
4
C
I
N
D
5
4
4
C
I
N
D
32.768KHz
FC-135_32.768KA-AC3
1
0
4
X
2
1
4
L
4
M
5
M
4
N
5
N
5
L
6
N
3
1
F
5
E
9
E
4
F
K12
L12
H5
H4
E10
E13
E12
E11
D11
M8
E15
D12
P15
R15
H15
J15
R14
D10
B14
J4
J5
C15
A8
A7
E4
B2
D5
B3
D7
D6
D8
B7
A3
A2
XTAL_19M_IN
XTAL_19M_OUT
XO_OUT_A0_EN
XO_OUT_A0
XO_OUT_A1_EN
XO_OUT_A1
XO_OUT_D0_EN
XO_OUT_D0
XO_OUT_D1_EN
XO_OUT_D1
XTAL_32K_OUT
XTAL_32K_IN
SLEEP_CLK0
GPIO38_SLEEP_CLK1
GPIO39_MP3_CLK
RESIN_N
KYPD_PWR_N
OPT_1
OPT_2
OPT_3
MPP11_CBLPWR0_N
MPP12_CBLPWR1_N
PS_HOLD
PON_RESET_N
GPIO40_EXT_SMPS_EN
SSBI
PM_INT_SEC_N
PM_INT_USR_N
PM_INT_MDM_N
GPIO33_UART_RX1
GPIO34_UART_RX2
GPIO35_UART_RX3
GPIO37_UART_M_RX
GPIO36_UART_M_TX
K
L
C
_
M
I
U
_
0
3
O
I
P
G
T
S
R
_
M
_
M
I
U
_
7
2
O
I
P
G
T
S
R
_
M
I
U
_
8
2
O
I
P
G
A
T
A
D
_
M
I
U
_
2
0
P
P
M
0
N
O
_
A
P
_
G
1
N
O
_
A
P
_
G
0
N
O
_
A
P
_
U
1
N
O
_
A
P
_
U
2
N
O
_
A
P
_
U
3
N
O
_
A
P
_
U
L
T
C
_
A
P
_
T
U
O
V
TP402
3
9
4
C
I
N
D
+VPWR
TP403
I
N
D
4
9
4
C
R490
1K
R491
1K
R426
10K
X400 1ZCB19200AB0D
19.2MHZ
2
1
3
4
PMIC_MDM_IRQ_N
PMIC_USER_IRQ_N
PMIC_SECURE_IRQ_N
PON_RESET_N
JTAG_PS_HOLD
TCXO_EN
MSM_TCXO
PS_HOLD
QTR_TCXO
KPD_PWR_N
SLEEP_CLK0
PMIC_SSBI
REMOTE_PWR_ON
GND for XO_ADC
add to 1k ohm
Insert value for tune_Rev.B
Connect line_RevB
TP10
TP11
TP12