LG KP270 Service Manual page 108

FL501
GSM850_900TX
GSM1800_1900TX
2
ANT
1
GND1
8
GND3
10
GND2
23
GND4
24
GND5
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LMSP43QL-771
11
GSM_PAOUT_LB
9
GSM_PAOUT_HB
12
GSM850_RX1
13
GSM850_RX2
14
GSM900_RX1
15
GSM900_RX2
16
GSM1800_RX1
17
GSM1800_RX2
18
GSM1900_RX1
19
GSM1900_RX2
20
UMTS1 3G_RF_BC5_8
21
UMTS2
22
UMTS3 3G_RF_BC1
4. TROUBLE SHOOTING
GSM850
EGSM
DCS
PCS
- 109 -
C516 2.2p
L502
18nH
C522 2.2p
C527 2.2p
L503
18nH
TP1
C533 2.2p
C536 2.2p
L504
5.1nH
TP2
C537 2.2p
C539 1.5p
L505
5.1nH
TP3
C542 1.5p
LGE Internal Use Only