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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.16.4 Checking RF Rx Level
DNI
C114
PCS
GSM
DCS
L101
18nH
L104
5.6nH
L105
22nH
10n
08
5.6nH
L107
C100
100p
L106
C109
G1
G2
RF
SW101
KMS-507
ANT
20
GND5
22
GND6
23
GND7
24
GND8
11
GSM850_EGSM_TX
18
GSM850_RX1
GSM850_RX2
19
PCN_PCS_TX
9
PCN_RX1
12
PCN_RX2
13
PCS_RX1
14
PCS_RX2
15
7
VDD
WCDMA_2100
21
DGM112M02
ANT
1
CTRL1
4
CTRL2
5
CTRL3
6
EGSM_RX1
16
17
EGSM_RX2
2
GND1
3
GND2
GND3
8
GND4
10
FL100
L103
6.8nH
L110
47nH
18nH
L111
4.7nH
L102
5.6nH
L100
6.8nH
C112
10n
L109
18nH
1p
C117
[Fig. 4.17] Schematic of EGSM-900, DCS-1800, PCS-1900 Rx Block
[Fig. 4.18] Test Point of Rx Block
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