LG GD580 - SIM and Network Connectivity Troubleshooting; Call and Function Error Resolution

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3. Technical brief
D. Power Amplifier Module
The SKY77182 Power Amplifier module is a fully matched 10-pad surface mount module
developed for Wideband Code Division Multiple Access (WCDMA) applications. This small and
efficient power amplifier packs full coverage of the 1920–1980 MHz bandwidth into a single
compact package.
Figure 3-7-6. WCDMA PAM schematic
Figure 3-7-5. SKY77182 Functional Block Diagram
n
1
3
01C
L101
1.8n
I
N
D
011
C
u
1.0
601
C
2
81
7
7YK
S
1
0
1
U
5
4
63
72
81
9
D
NGP
BNEV 2DNG
L
R
T
C
V
1
D
NG
NIFR
TU
O
FR
SAIB
V
C
C
V
VBAT
N101 LDC151G9520Q-359
32 41
OUT TER IN COU
A
P
_C
CV
IND
4
01C
n1
5
31
C
7
4
80
1R
I
N
D
9
01
L
0
0
0
BCD59G132GEC10
1
S
I
NI
TU
O
1DNG 2DNG
u01
3
41C
94
1
C
p6
5
IND
33
1
C
1
_
D
N
A
B
_XTW
NE
_1
_D
N
AB_
X
T
W
E
S
NES
_
WOP
W
1
_D
NA
B
_
DOMXTW
S
A
IB_A
P
W
3
060