Figure 8-94. Dc Circuit - Motorola APX 1000 Detailed Service Manual

8-200
DC_BATT
IN
2
IN
DC_SWI_3_6V
C213 C214
330PF 100PF
BAND
DC_LIN_2_775V
IN
C215 C216
330PF 100PF
BAND
DC_BATT
M101
CONTACT
3 1
PIN3 PIN3 PIN1 PIN1
2
PIN2 PIN2
2
VR101
MMBZ5250B
20V

Figure 8-94. DC Circuit

DC_BATT_A
F200
E201
32V
C200 2A
VR200
C201
MMBZ5250B
1UF
20V
.01UF
NTR1P02T1
R201
100K
MUN5212T
Q202 R202
3
1 22K 22K
4.7K
U201
LP5900
A1 B2
VEN VEN VOUT VOUT
A2
VIN VIN
C207 C208
1UF 1UF
U202
LP5900
A1 B2
VEN VEN VOUT VOUT
A2
VIN VIN
C209 C210
1UF 1UF
1
M104
1
BAT_STATUS M103
1
OUT M105
C101
100PF
BAND
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012432001 / PC000354A01)
L200
DC_FUSE_A
1.5UH
C202 C203
1UF 1UF
Q201
2 3
1UF
C217
D200
1
MBR120LSFT1
4
INPUT INPUT
8
SHUTDOWN SHUTDOWN
6
SENSE SENSE
1
BYPASS BYPASS
C204
4.7UF
C206
.01UF
U203
LP5952
C3 A3
EN EN VOUT VOUT
A1
VIN VIN
C1
VBATT VBATT
C212
4.7UF
J102
CONN_P
5 RF_ANT
IO
1
2
3
4
2
U200
LP2989
5
OUTPUT OUTPUT
7
NC NC
ERROR ERROR
2
NC NC NC NC
C205
4.7UF
OUT
DC_FUSED_B+
RF_SW_B+
OUT
DC_LIN_5V
OUT
DC_LIN_3V
OUT
DC_LIN_1_8V
OUT
DC_LIN_1_5V
OUT