LG P705 Service Manual page 36

A N T_SEL[3]
A N T_SEL[2]
A N T_SEL[0]
A N T_SEL[1]
ANTENNA SWITCH MODULE LOGIC(SKY77544)
GSM850/GSM900 TX
DCS1800/PCS1900 TX
PCS1900 RX
DCS1800 RX
GSM900 RX
GSM850 RX
W1700
W900(W850)
W2100
WCDMA Dual
R1014
LGE Internal Use Only
0
ANT_SEL0
LOW
HIGH
LOW
LOW
HIGH
HIGH
HIGH
LOW
HIGH
L1026
2n
C1089
C1088 33p
3.3n
C1090
ANT_SEL1 ANT_SEL2
HIGH LOW
HIGH LOW
LOW LOW (X)
HIGH LOW (X)
HIGH LOW (X)
LOW LOW (X)
LOW LOW
LOW HIGH
LOW HIGH
2 3
FL1006
G 1 O 1
- 36 - 1 Copyright © 2012 LG Electronics. Inc. All right reserved.
IN
G 2 O 2
5 4
4. TROUBLE SHOOTING
ANT_SEL3
LOW
LOW
HIGH
HIGH
HIGH
HIGH
LOW
LOW
LOW
C1086
3.9p
C1087
Only for training and service purposes
DNI
DNI
L1009
C
WCDMA_LB_
WCDMA_HB_R
L1028
WCDMA
1.2n