5-24
Flow Chart of Troubleshooting and Circuit Diagrams
BAND SELECT
(SYNTH&BRIGHT)
100NF
C380
1UF
C430
R423
10K
NC
BYPASS
4
2
GND
3
ON/OFF
1
VIN
VOUT
5
C426
LP2982AIM5X-3.0
U303
1UF
C431
C429
100NF
R422
10K
10UF/6.3V
C424
C428
100NF
DTC114EE/TR
U410
2
3
1
10UF/6.3V
C378
2
3
1
10UF/6.3V
C425
2
V.C1-1
3
V.C1-2
4
VIN,R1
DTB113ZK
U411
Q401
FDG63231
5
ON/OFF
R1,C1
6
R2
1
4
BYPASS
2
GND
ON/OFF
3
1
VIN
5
VOUT
LP2981AIM5-3.0
GND
2
NC
4
3
ON/OFF
VIN
1
VOUT
5
U413
LP2981AIM5-3.0
C377
U412
1UF
10NF
NC
C379
XVCC
C427
SYNEN
BANDSEL
TXEN1
SYSCLKENA
3VTXEN1
3VTX
3VBANDSEL
VOUT
3VRF