LG CT815 Service Manual page 100

ANT102
KMS-518
G1
A
C
G2
SW101
R102 0 C4 0
C11
L104
0.75p
0.75p
+2.75V
L109
VREG_SYNTH
15nH
C34 C35
0.1u 33p
ANT_SEL0
ANT_SEL1
ANT_SEL2
ANT_SEL3
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C5 33p
TP1
L103
100nH
FL102
D5015
18
PCS_RX1
19
PCS_RX2
2 16
ANT PCN_RX1
17
PCN_RX2
1 14
GND1 EGSM_RX1
8 15
GND2 EGSM_RX2
10
GND3
23 12
GND4 GSM850_RX1
24 13
GND5 GSM850_RX2
20
WCDMA_2100
21
WCDMA_850
22
WCDMA_1900
9
PCN_PCS_TX
11
GSM850_EGSM_TX
Schematic of GSM/DCS/PCS Rx Block
- 101 -
4. TROUBLE SHOOTING
C1 1.8p
GSM(869-894 MHz)
L101 L102
NA 22nH
C6 1.8p
C14 2.2p
GSM(925-960 MHz)
L105 L106
NA 18nH
C18 2.2p
TP2
C28 4.7p
L107 L108
DCS(1805-1880 MHz)
NA 4.7nH
C31 4.7p
C32 2.7p
PCS(1930-1990 MHz)
L110 L111
NA 3.9nH
C38 2.7p
LGE Internal Use Only
RX_GSM_850_M
RX_GSM_850_P
RX_GSM_900_M
RX_GSM_900_P
RX_DCS_M
RX_DCS_P
RX_PCS_M
RX_PCS_P