Rf Antenna Circuit Diagram - LG BD390 Service Manual

12. RF ANTENNA CIRCUIT DIAGRAM

CRITICAL CRITICAL
1.2nH 1.2nH
1
CRITICAL CRITICAL
L11 L11
NO_LOAD NO_LOAD
1.2nH/NI 1.2nH/NI
ANT0
1
CRITICAL CRITICAL
L13 L13
NO_LOAD NO_LOAD 1.2nH/NI 1.2nH/NI
ANT1
TP5 TP5
C59 C59
R0 R0
2 1 2 1 2
L14 L14
0OHM 0OHM
6.8p 6.8p
C58 C58 C72 C72
2pF 2pF 1.5pF/NI 1.5pF/NI
TP6 TP6
CRITICAL CRITICAL
C15 C15
1.2nH 1.2nH R1 R1
2 1 2 1 2
L15 L15
0OHM 0OHM
6.8p 6.8p
C70 C70
C61 C61
1.5pF/NI 1.5pF/NI
2pF 2pF
R11 100 R11 100
VRXA0_0
1 2
VRXA0_0
C25 C25
6.8p 6.8p
C26 C26 6.2pF 6.2pF
U4 U4
RXG_0
4 1 1 2
VC1 RF1
A0_ANT0
5 2
RFC GND
6 3 1 2
VC2 RF2
C28 C28 6.2pF 6.2pF
AS179-92LF AS179-92LF
C73 C73
1.5pF/NI 1.5pF/NI
R6 100 R6 100
VTXA0_0
1 2
VTXA0_0
C23 C23
6.8p 6.8p
R29 100 R29 100
VRXA1_1
1 2
VRXA1_1
C34 C34
6.8p 6.8p
C35 C35 6.2pF 6.2pF
U9 U9
RXG_1
4 1 1 2
VC1 RF1
A0_ANT1 5 2
RFC GND
6 3 1 2
VC2 RF2
C37 C37 6.2pF 6.2pF
AS179-92LF AS179-92LF
C71 C71
1.5pF/NI 1.5pF/NI
R20 100 R20 100
VTXA1_1
1 2
VTXA1_1
C31 C31
6.8p 6.8p
3-99 3-100
4
2.4GHZ 2.4GHZ
4
RXG_0
U3 U3
R3 2.2nH R3 2.2nH
TX_2G_PA_0 TXG_0
5 2 1 2
OUT IN
C22 C22
1.5pF/NI 1.5pF/NI
4
4
2.4GHZ 2.4GHZ
4
RXG_1
U8 U8
R18 2.2nH R18 2.2nH
TX_2G_PA1 TXG_1
5 2 1 2
OUT IN
C30 C30
1.5pF/NI 1.5pF/NI
4
RF antenna RF antenna RF antenna
Wednesday, November 05, 2008 Wednesday, November 05, 2008 Wednesday, November 05, 2008
4
TXG_0
4
TXG_1