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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
+2.75V
SFAY0010801
C
G1
G2
KMS-518
SW101
A
C39
DNI
GND3
23
GND4
GND5
24
GSM850_EGSM_TX
11
12
GSM850_RX1
13
GSM850_RX2
9
PCN_PCS_TX
PCN_RX1
16
PCN_RX2
17
PCS_RX1
18
PCS_RX2
19
VDD
7
22
WCDMA_1900
WCDMA_2100
20
WCDMA_850
21
D5015
2
ANT
CTRL1
3
CTRL2
4
CTRL3
5
6
CTRL4
EGSM_RX1
14
15
EGSM_RX2
1
GND1
8
GND2
10
FL102
ANT102
L103
100nH
0.1u
C34
C40
33p
0
R102
C35
33p
C42
33p
C41
DNI
33p
C5
C11
0.75p
VREG_SYNTH
0
C4
0.75p
L104
15nH
L109
ANT_SEL3
ANT_SEL0
ANT_SEL1
ANT_SEL2
Schematic of the Antenna Switch Block
VREG_SYNTH(TP1)
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
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