Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: VHF/700–800
8-13
Figure 8-12. MNUR4001B/D DC Power Circuit
DC_SWI_3_6V
C213
C214
33PF
330PF
IN
VEN
VIN
GND
VOUT
B2
A2
A1
B1
U201
C208
C207
1UF
1UF
LP5900
VEN
VIN
GND
VOUT
B2
A2
A1
B1
U202
C209
LP5900
1UF
DC_LIN_2_775V
C216
C215
330PF
33PF
IN
C210
1UF
EN
VBATT
GND
VOUT
VIN
A3
A1
B2
C3
U203
C212
4.7UF
LP5952
C1
DC_LIN_1_5V
DC_LIN_1_8V
OUT
OUT
DC_LIN_3V
OUT
22K
22K
2
3
1
Q202
MUN5212T
R202
C217
R201
2
1
3
Q201
100K
NTR1P02T1
1UF
4.7K
F200
2A
32V
2
1
E201
C200
C201
.01UF
1UF
DC_BATT
1
3
2
VR200
MMBZ5250B
20V
IN
2
1
E200
D
DC_
L200
C202
C203
1.5UH
1UF
1UF
OUT
OUT
NC
NC
INPUT
SHUTDOWN
SENSE
BYPASS
GND
OUTPUT
ERROR
NC
8
6
5
2
4
7
1
U200
2
1
D200
C206
C205
C204
MBR120LSFT1
.01UF
LP2989
4.7UF
4.7UF
3
DC_LIN_5V
OUT
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: ......