Figure 8-51. Mnut4000A/C/E Dc Power Circuit - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
IN
DC_SWI_3_6V
C213 C214
330PF 33PF
IN
C215 C216
330PF 33PF
F200
E201
DC_BATT
1 2
IN
32V
C200
2 VR200
C201 2A
MMBZ5250B .01UF
1UF
20V
MUN5212T
R202
Q202
4.7K
3
22K
1
U201
LP5900
A1 VOUT B2
VEN
A2
VIN
C208
C207
1UF 1UF
U202
LP5900
A1 VOUT B2
VEN
A2
VIN
C209
1UF
E200
DC_RAW_B+
1 2
L200
1.5UH
C202 C203
1UF 1UF
Q201
NTR1P02T1
2
3
R201 C217
100K 1UF
C204
4.7UF
DC_LIN_3V
OUT
U203
LP5952
C3
EN
VOUT
A1
VIN
C1
VBATT
C210
1UF
OUT
DC_FUSED_B+
OUT
D200
1 2 MBR120LSFT1
U200
LP2989
4 5
INPUT OUTPUT
8 7
SHUTDOWN
NC
6
ERROR
SENSE
1 2
BYPASS NC
NC
GND C205
4.7UF
C206
.01UF
DC_LIN_1_8V
OUT
DC_LIN_1_5V
A3
OUT
C212
4.7UF

Figure 8-51. MNUT4000A/C/E DC Power Circuit

8-113
DC_LIN_5V
OUT