Schematics, Boards Overlays, and Parts Lists
: Main Board Block: 700–800 MHz (84012501002)
8-71
Figure 8-42. DC Circuit
IN
MMBZ5250B
20V
VR200
DC_BATT
13
2
1UF
32V
2A
.01UF
F200
E201
C200
C201
DC_BATT_A
1UF
1UF
1.5UH
NTR1P02T1
Q201
L200
C202
C203
DC_FUSE_A
1
3
1UF
100K
C217
R201
2
22K
22K
MUN5212T
4.7K
R202
Q202
2
3
1
BAND
330PF
33PF
C213
C214
DC_SWI_3_6V
IN
VEN
VIN
GND
VOUT
1UF
1UF
LP5900
U201
C208
C207
B2
B1
A2
A1
BAND
33PF
330PF
C216
C215
DC_LIN_2_775V
IN
VEN
VIN
GND
VOUT
1UF
LP5900
U202
C209
B2
A2
A1
B1
1UF
C210
EN
VBATT
GND
VOUT
VIN
4.7UF
LP5952
U203
C212
A3
A1
C1
B2
C3
DC_
OUT
OUT
DC_LIN_5V
DC_LIN_3V
DC_LIN_1_8V
OUT
OUT
OUT
OUT
DC_LIN_1_5V
NC
NC
INPUT
SHUTDOWN
SENSE
BYPASS
GND
OUTPUT
ERROR
NC
LP2989
MBR120LSFT1
4.7UF
.01UF
4.7UF
U200
D200
C206
C205
C204
8
6
5
2
4
3
7
1
2
1
BAND
PIN1
PIN2
PIN3
20V
CONTACT
MMBZ5250B
33PF
C101
VR101
M101
DC_BATT
BAT_STATUS
13
2
3
2
1
OUT
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......