User Guide

5-25 Flow chart of trouble shooting and Circuit Diagram
(SYNTH&BRIGHT)
2.9V,100mA
SW1,50mA
2.9V,100mA
LDO3
2 7 8
14 13 125
BAND SELECT
3
11 10
6
LDO1 LDO2
16 15 9
4
MM1448CWFE
SW2,80mA
1
2.9V,100mA
C549 10NF
10NF 10NFC551
C550
VIN VO1
1
9
VO2
16
VO3 VO4
12 14
VO5
C116
100NF
NS1
8
NS2
6
NS3
3
PS1
7
PS2
5
PS3
11
PS4
15
PS5
4
MM1448CYFE
U457
10
GND
13
NC
2
R587 0
R591 NC
C124
4.7uF
C106
100NF
C125
1UF
10UF/6.3V
C105
R678
10K
100NF
C705
2
3
1
2
3
1
DTB113ZK U443
DTC114EE/TR
U445
C117
4.7uF
SYNEN
SYSCLKENA
BANDSEL
3.3V
3VTX XVCC
TXEN1
3VRF 3VTXEN1 3VBANDSEL