Figure 8-7. Nud7120A Dc Power Circuit - Motorola APX 5000 Service Manual

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

Figure 8-7. NUD7120A DC Power Circuit

8-9
OUT
OUT