Only For Training And Service Purposes - LG CT815 Service Manual

4. TROUBLE SHOOTING
ANT102
R102 0
C11
L104
0.75p
0.75p
+2.75V
VREG_SYNTH
ANT_SEL0
ANT_SEL1
ANT_SEL2
ANT_SEL3
LGE Internal Use Only
KMS-518
G1
A
C
G2
SW101
C4 0
C5
L103
100nH
VREG_SYNTH(TP1)
L109
15nH
C34 C35
0.1u 33p
Schematic of the Antenna Switch Block
33p
FL102
D5015
PCS_RX1
PCS_RX2
2
ANT PCN_RX1
PCN_RX2
1
GND1 EGSM_RX1
8
GND2 EGSM_RX2
10
GND3
23
GND4 GSM850_RX1
24
GND5 GSM850_RX2
WCDMA_2100
WCDMA_850
WCDMA_1900
PCN_PCS_TX
GSM850_EGSM_TX
Copyright © 2009 LG Electronics. Inc. All right reserved.
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Only for training and service purposes