LG KP260 Service Manual page 47

4. TROUBLE SHOOTING
(2) Checking Mobile SW & FEM
TEST POINT
CIRCUIT
SW500
RF500
ENWY0004501
C518
TP3
22p
2V75_VVCXO
C532 C533
22p 0.1u
LGE Internal Use Only
SW500
TP3
TP6
TP5
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
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TP4
TP4
R500 47
TP5
R501 47
R502
TP6
1K
C505 C506 C507
39p 27p 27p
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Only for training and service purposes
PA_BAND
PA_EN
TX_RAMP