LG KP260 Service Manual page 42

(2) Checking Mobile SW & Rx SAW filter
TEST POINT
SW500
TP3
TP6
CIRCUIT
SW500
RF500
ENWY0004501
C518
22p
TP3
2V75_VVCXO
C532 C533
22p 0.1u
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP5 TP4
GND8 GSM850_900_TX
22 17
GND7 GSM1800_1900_TX
18 15
GND6
16
GND5 GSM1900_RX2
14 8
GND4 GSM1900_RX1
13 7
GND3
12
GND2 GSM1800_RX2
10 6
GND1 GSM1800_RX1
9 5
VDD GSM900_RX2
21 4
GSM900_RX1
3
VC2
20
VC1 GSM850_RX2
19 2
GSM850_RX1
1
LMSP43QA-538
FL500
SFAY0008602
ANT_SW1
ANT_SW2
C544 C545
22p 22p
4. TROUBLE SHOOTING
TP4
R500
TP5
R501
TP6
R502
1K
C505 C506 C507
39p 27p 27p
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47
PA_BAND
47
PA_EN
TX_RAMP
LGE Internal Use Only