3. TROUBLE SHOOTING
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Path
V1
V2
DRX B4
H
L
DRX B2
L
H
DRX B17
L
L
C2037 18n
C2137 3.3n
SW2000
4
3
2
1
ANT
COMMON
G3
G4
L2029
15n
806MHz
FL2022
4
5
1
3
2
G1 O1
IN
G2 O2
FL2013
1
9
4
6
2
7
3
8
5
10
GND6
GND3
GND5
GND2
GND4
GND1
Balance_Port_1
Unbalance_Port_Hch
Balance_Port_2
Unbalance_Port_Lch
C2075
33p
L2015
DNI
2.7n
C2020
C2044 18n
FL2011
13
10
11
9
12
6
4
2
1
8
7
3
5
RF3
V1
ANT
GND3
VDD
V2
GND1
GND2
GND5
RF1
RF2
GND4
PGND
L2080
100n
2.2n
C2138
3.9n
C2115
2.2n
C2136
L2012
DNI
DNI
L2016
10n
C2048
+2V7_VREG_L16
L2006
DNI
L202
5
DNI
DNI
L2013
100p
C2047
C2046
100p
DNI
C2141
C2140
DNI
L2011
DNI
GND
DRX_SW_SEL1
DRX_SW_SEL0
DRX_B1_B3_INP
DRX_B1_B3_INM
DRX_B20_INP
DRX_B20_INM
DRX_B40_INM
DRX_B40_INP
B1
B3
B20
L
DRX_B17_B20
DRX_B1_B4
DRX_B2_B3
V2
L
H
L
L
H
V1
Path
SP3T
TP1
TP3
TP2
TP4
TP6
TP5