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C500
0
ANT500
L502
C502
1p
NA
ANT501
ANT_SEL0
ANT_SEL1
ANT_SEL2
VREG_RFR_2.85V
C519
47p
WCDMA
WCDMA_2100
ACMD-7601
U506
RX
TX
C581
12p
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP1
SW500
KMS-512
C501
56p
G2 RF
ANT G1
L504
56nH
C509
C510
C511
47p
47p
47p
L514
7.5nH
C520
0.1u
TP4
+VPWR
C568
C570
22u
0.01u
TP3
R530
3.9nH
1.2p
L527
4. TROUBLE SHOOTING
ESHS-L090UB
FL500
7
1
GND1
EGSM_RX1
9
2
GND2
EGSM_RX2
11
3
GND3
DCS_RX1
13
4
GND4
DCS_RX2
18
5
GND5
PCS_RX1
20
6
GND6
PCS_RX2
17
8
VC1
DCS_PCS_TX
15
10
VC2
EGSM_TX
14
19
VC3
UMTS_TX_RX
C561
U503
C560
1.8nH
EFCH1950TDC1
22p
3
G3
4
1
OUT
IN
G2
G1
5
2
L525
L526
8.2nH
3.9nH
C571
0.01u
C575
GND2
VREF
1.8nH
6
GND3
VMODE
7
RFOUT
GND1
8
GND4
RFIN
9
VCC2
VCC1
10
GND5
11
AWT6277R
U505
47
C580
- 95 -
TP2
C507 1.5nH
WCDMA_2100
C512
C513
NA
NA
WCDMA_2100_TX_OUT
R529
6.2K
W_VMODE_N
C569
15p
C573
0.1u
5
4
3
2
1
LGE Internal Use Only
C574
100p
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