LG HB620 Service Manual

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4. TROUBLE SHOOTING
4.14 Checking Front-End Module Block
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
OUT101
33p
C112
33pC103
C111
33p
ANT101
ANTENNA
VREG_RF_SMPS
KMS-518
SW101
A C G1 G2
C104
0.1u
L102
1.5p
GND9
7
NC
22
PCS_RX1
PCS_RX2
21
PGND1
25
PGND2
26
8
UMTS_TX_RX
5
VC1
4
VC2
VC3
3
VDD
6
ANT
10
DCS_PCS_TX
13
DCS_RX1
20
DCS_RX2
19
EGSM_RX1
24
23
EGSM_RX2
16
EGSM_TX
1
GND1
2
GND2
GND3
9
GND4
11
12
GND5
GND6
14
15
GND7
GND8
17
18
LSHS-M090UH
FL101
33p
C113
2.7nH
L103
15nH
C102
56nH
L104
ANT_SEL0
ANT_SEL1
ANT_SEL2
[Fig. 4.12] Schematic of the Front-End Module Block
[Fig. 4.13] Test Point of Front-End Module Block
TP1
TP2
TP4
TP3
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LG HB620 Specifications

General

Brand	LG
Model	HB620
Category	Cell Phone
Language	English