LG GW620 - Page 109

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
15p
C269
18n
L30
12p
C154
1.5p
C274
8.2n
L44
2.7n
L35
1.5p
C276
NA
L3
DNIC70
3.3n
C248
C252
DNI
3.9n
L24
SAYFP897MCA0B00FL7
75
94
2
3
8
16
ANT
RX1
RX2
TX
GND1
GND2 GND5
GND3 GND4
FL8 SAYFP1G95AA0B00
75
84
92
3
16
ANT RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
DNI
C262
3.3n
L49
WCDMA_900_RTX
RX_WCDMA_1900_SE
P
D
RX_WCDMA_900_M
RX_WCDMA_900_P
RX_WCDMA_2100
WCDMA_2100_RTX
WCDMA_1900_RTX
Band I
Band VIII
TP2
TP3
DNI
C135
R37
DNI
12p
L23
922CFU1
.
0
C
B
8.2p
L21
FL2
B9411
52
4
31
IN
OUT
_OUT
G1 G3
VDD_RX
3.3n
C268
DNI
R40
smhoK1
1
7R
12p
L20
DNI_CAP_0603
C78
57
C
F
p
2
2
8.2p
L22
DNI
L28
1
C127
0.5pF
C383
0.002uH
L46
1.2n
C270
DNI
C386
WCDM
A
WCDMA_MIX_IN_P
RX_WCDMA_2100_LNA_OUT WCDMA_MIX_IN_M
WCDMA
_
WCDMA
_
RX_WCDMA_1900_BA
RX_WCDMA_1900_P
R
X_WCDMA_1900_LNA_OUT
WCDMA RX 2100 LNA Circuit
W2100 RX(2110 - 2170 MHz)
0603
Bias
TP4