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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SFSY0034601
WCDMA RX 2100 LNA Circuit
WCDMA RX 1900 LNA Circuit
W1900 RX(1930 - 1990 MHz)
W2100 RX(2110 - 2170 MHz)
SFSY0028201
2.7nH
L140
2.2nH
L137
33p
C112
33p
C138
DNI
R137
1K
C135
2.7nH
L142
C139
3.3p
0.1u
C123
R136
1K
33p
C113
33p
C104
33p
C111
L133
4.7nH
100p
C124
C127
3.3p
G1
2
G2
5
IN
1
O1
3
O2
4
FL113
SAFEB2G14FB0F00
C101
0.1u
33p
C132
VDD_RX
100p
C102
L126
2.2nH
C103
33p
VDD_RX
NA
L131
33p
C114
33p
C126
2
G1
5
G2
1
IN
3
O1
4
O2
SAFEB1G96FL0F00
FL110
RX_WCDMA_1900_LNA_OUT
WB1900_MIX_INP
WB1900_MIX_INM
WB2100_MIX_INP
RX_WCDMA_2100_LNA_OUT
WB2100_MIX_INM
Bias
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
Page 221: ...Note ...
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