Figure 9.2-18. Pmle2537A/ Pmle2537D/ Pmle2537F/ Pmle2537G Receiver Schematic, Regulators - Sheet 4 Of 4 - Motorola XTS 2500 Service Manual

UHF1 Schematics, Board Overlays, and Parts Lists
R524
0
RFSW_B+
RESET_OUT
R521
0
NP
C513 C510
10uF 0.10uF
6816985H01-F
D510
D511
*U500*
LP2989
4 5
INPUT OUTPUT
8 7
SHUTDOWN ERROR
6
SENSE
330K
1 2
BYPASS NC NC R520
C514
10uF
C521
.01uF
C511
0.10uF
VSW1
100uH
L502
C518
10uF
C525
100pF
D512
R528
0
U501
LP3985
3
VEN
1 5
VIN VOUT
4
BYPASS
C522 C516 C526
.01uF 1.0uF 100pF
R527
0
NP
C506 C512
1.0uF 0.10uF
Figure 9.2-18. PMLE2537A/ PMLE2537D/ PMLE2537F/ PMLE2537G Receiver Schematic, Regulators – Sheet 4 of 4
D513
U502
LP3985
3
VEN
1 5
VIN VOUT
4
BYPASS
C523
.01uF
C517 C527
1.0uF 100pF
9.2-19
POR
ANA_5V
ANA_3V
ABACUS_3V
February 14, 2012