LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.4 Checking Front-End Module Block
4. TROUBLE SHOOTING
- 98 -
Schematic of the Front-End Module Block
Test Point of Front-End Module Block
47p
C109
C115
47p
47p
C113
12
GND5
14
GND6
GND7
15
GND8
17
18
GND9
NC
7
PCS_RX1
22
PCS_RX2
21
25
PGND1
26
PGND2
8
UMTS_TX_RX
VC1
5
4
VC2
VC3
3
VDD
6
ANT
10
DCS_PCS_TX
13
DCS_RX1
20
19
DCS_RX2
EGSM_RX1
24
23
EGSM_RX2
EGSM_TX
16
1
GND1
2
GND2
GND3
9
11
GND4
LSHS-M090UH
47p
C114
VREG_RF_SMPS
ANT_SEL2
ANT_SEL0
ANT_SEL1
TP1
TP2
TP3
TP4
TP1
TP3
TP4
TP2
Содержание U990
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