7. CIRCUIT DIAGRAM
- 148 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VREG_RF2_1.4V|VREG_RF2
VREG_RF2_1.4V
VREG_RF1_2.3V|VREG_RF1
VREG_RF1_2.3V
VREG_MSMC_1.2V
F
p
0
0
1
F
p
7
2
WCDMA_LB_TX_OUT
WCDMA_1900_TX_OUT
WCDMA_2100_TX_OUT
WLNA_HB1_IN_P_GSM
WLNA_HB1_IN_M_GSM
WLNA_HB1_IN_P
WLNA_HB1_IN_M
1
N
O
_
A
P
_
A
M
D
C
W
WLNA_LB_IN_M
WLNA_LB_IN_P
0
N
O
_
A
P
_
A
M
D
C
W
GLNA_HB_IN_M
GLNA_HB_IN_P
GSM_PA_RAMP
PWR_DET
TX_GSM_LB
TX_GSM_HB
WLNA_HB2_IN_P
WLNA_HB2_IN_M
GLNA_LB_IN_P
GLNA_LB_IN_M
N
I
_
L
A
T
X
_
M
9
1
D
N
A
B
_
A
P
_
M
S
G
N
E
_
A
P
_
M
S
G
VBACK_UP
VREG_RF2
VBATT
UART_BT_SEL
BATT_FET_N
BATT_FET_N
VSW_RF2
VSW_RF2
VSW_RF1
VSW_RF1
VREG_RF1
VSW_MSMC
VSW_MSMC
S
A
I
B
C
I
M
N
_
D
E
L
_
Y
E
K
_
N
I
A
M
N
_
D
E
L
_
Y
E
K
_
E
D
I
L
S
N
_
N
I
S
E
R
_
M
S
M
P
M
E
T
_
T
T
A
B
V
VBATT_TEMP
T
U
O
_
M
R
E
H
T
_
F
E
R
V
VREF_THERM_OUT
N
_
W
S
_
N
O
_
M
P
K
L
C
_
P
E
E
L
S
D
L
O
H
_
S
P
T
S
R
_
H
C
U
O
T
_
E
D
I
S
High : BT UART
Close to QSC
Close to QSC
Backup Battery
Low : UART Comm