LG LG-E730 - Page 105

4. TROUBLE SHOOTING
- 105 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
<Schematic of Tx 3G PAM>
<Operating logic table>
C1016
22u
L1013 3.9n
C1019
56p
10n
C1018
C1029 10p
C1017
10n
0.5p
C1040
C1032
1p
L1015 3.3n
C1039 5.6p
L1016 2.4n
1n
C1045
C1041
1p
1n
C1042
100pC1028
L1017
2.2n
L1014
5.1n
1n
C1044
1n
C1043
+VPWR
U1000
12
13
14
15
16
17
6
5
7
4
8
3
9
2
10
1
11
GND3
RFIN_HB
GND2
VBATT
RFOUT_LB
VEN_HB
RFIN_LB
VMODE0
GND1
VMODE1
VEN_LB
PGND
RFOUT_HB
GND6
GND5
VCC
GND4
C1031
DNI
PA_R1
PA_R0
PA_ON_GHB
PA_ON_GLB
GSM_LOW
GSM_HIGH
GSM_TX
DCS_PCS_TX
Close to Vcc Pin.
GSM
33uF / Tantal: ECTH0001904
TP1
TP2
TP5
TP6
TP7
TP8
TP3
TP4