Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1/700–800 MHz
8-51
Figure 8-30. MNUS4000A/C/E DC Power Circuit
VEN
VIN
GND
VOUT
C213
C214
B2
A2
A1
B1
U201
C208
C207
DC_SWI_3_6V
33PF
330PF
1UF
1UF
LP5900
IN
DC_LIN_3V
OUT
22K
22K
2
3
1
Q202
MUN5212T
13
2
VR200
MMBZ5250B
DC_BATT
20V
IN
F200
2
1
E201
C200
C201
.01UF
1UF
2A
32V
2
1
E200
2
1
3
Q201
NTR1P02T1
R202
C217
R201
100K
1UF
4.7K
DC_
L200
D
C202
C203
1.5UH
1UF
1UF
OUT
OUT
NC
NC
INPUT
SHUTDOWN
SENSE
BYPASS
GND
OUTPUT
ERROR
NC
8
6
5
2
4
3
7
1
U200
2
1
D200
C206
C205
C204
MBR120LSFT1
.01UF
LP2989
4.7UF
4.7UF
DC_LIN_5V
OUT
C216
C215
DC_LIN_2_775V
330PF
33PF
IN
VEN
VIN
GND
VOUT
B2
A2
A1
B1
U202
C209
LP5900
1UF
C210
1UF
DC_LIN_1_8V
DC_LIN_1_5V
OUT
OUT
EN
VBATT
GND
VOUT
VIN
A3
A1
C1
B2
C3
U203
C212
4.7UF
LP5952
Summary of Contents for ASTRO APX 7000
Page 1: ......
Page 4: ...iv Document History Notes ...
Page 24: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 98: ...3 74 Theory of Operation Global Positioning System GPS ...
Page 163: ...Troubleshooting Charts PA Failure 5 59 ...
Page 164: ...5 60 Troubleshooting Charts PA Failure ...
Page 276: ...7 58 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 318: ...8 42 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF 700 800 Notes ...
Page 380: ...8 104 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 700 800 MHz Notes ...
Page 432: ...8 156 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 VHF Notes ...
Page 458: ...8 182 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 UHF2 Notes ...
Page 498: ...8 222 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 700 800 MHz Notes ...
Page 546: ...8 270 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 VHF Notes ...
Page 606: ...8 330 Schematics Boards Overlays and Parts Lists VOCON Boards Notes ...
Page 638: ...Glossary 10 Glossary Notes ...
Page 643: ......