3. TROUBLE SHOOTING
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Only for training and service purposes
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Check TP1Signal exist?
Check TP2 Signal exist?
START
Check next step
Yes
Yes
No
No
Check U1302
Check FL1655 Soldering
C1855
33p
L1663
DNI
L166
2
10
n
33p
L1666
L1659
DNI
C1666
3.3n
FL1655
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND5
GND2
GND6
GND3
GND4
33p
C1677
DNI
L166
0
L166
1
5.6n
C1668
12p
C1780
100p
ANT_TRX_B28A
PRX_B28A
close to DPX
TP2
TP1