Figure 7-117.Controller Power Supply And Emergency Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

7-156
DC DISTRIBUTION
VOLTAGE V(operating)/mA(max) SOURCED BY:
FILT_B+ Battery SW_B+
VCC1.8, VCC1.55 1.86 & 1.55 / 100 mA VCC5
VCC2.85 2.85 / 100 mA VCC5
VCC3 3.0 / 100 mA VCC5
VCC5 5.0 / 500 mA SW_B+
UNSW_5V 5.0 / Battery A+
SW_B+ Battery A+
9.3V_TX 9.3V / 1A A+
EMERGENCY
IGNITION
9V Regulator
SW_A+
U0500
LM2941
4 5
VIN VOUT
ON_OFF
2 1
ADJ
C0531 C0532
0.1uF 1uF
VCC9
1
C0516 C0517
0.1uF 4.7uF
9.3V_ABACUS
1
C0520 C0521
0.1uF 4.7uF
Figure 7-117. Controller Power Supply and Emergency Schematic
June 15, 2005
Emergency Sense Block
SUPPLY FOR
Audio PA
Patriot, EIM, Memory
I/O Ring, EEPOTs
UNSW_5V UNSW_5V
USB, Codec
Power Control R0527
0
T-Gates, VIP S, SB9600
NP
Voltage Translation
R0523
1.8V, 3V Regulators
100K
Emergency Detect/Timer
FILT_B+
47K
SW_B+ Sense Circuit
Q0501
9V Regulators
47K
Mic Bias Circuit
R0516
100K
A+
R0524
10K
NP
C0502
VCC2.85 SW_A+
100pF
VCC9
VCC2.85
R0505 R0506
10K 10K
6
R0528 C0534
7.5K 0.1uF
5
R0508
10K
SW_B+_ON-OFF
R0529 C0533 R0509 C0503
1.2K 22uF 2K 100pF
47K
Q0505
47K
2
VCC5
INPUT
5
CD
C0519
.01uF
5V Regulator
VCC5_FILT
VCC5
U0503
MC78M05
R0519
10
3
IN OUT
C0518
4.7uF
2 C0535
0.1uF
VCC5
U0505
5V_ABACUS
MC78M05
C0537
1uF
3
IN OUT
NP
2
C0522 C0523
4.7uF 0.1uF R0514
0
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board
UNSW_5V
R0500 R0502
100K 390K
U0506
LMC555
4
RESET
3
OUTPUT
2
TRIGGER
R0503
100K 6
THRESHOLD
7
DISCHARGE
5
CONTRLVOLTAGE
UNSW_5V 8
VPOS
C0500 C0524 C0525
0.1uF 0.1uF 1uF
Q0500
47K
47K
R0520
47K
R0511
33K
VCC5
8
7
SW_B+_SENSE
8
INPUT
4
MC33202 7
FEEDBACK
3
U0604-2
SHUTDOWN
C0527 C0512
4.7uF 0.1uF
U0504
53D46
1
OUTPUT
4
NC
1.55V Digital Supply Regulator
C0506
.01uF
R0513
R0512
VCC5_FILT 39K
10K
VCC1.55
U0502
LP2951CD
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
6
C0514 C0515 C0510
VTAP
150uF 0.1uF 4.7uF
1
TP0500
D0501 Q0502
47K
47K
VR0501
11V
SOFT_TURN_OFF
SW_B+_ON-OFF
1 SW_B+_ON-OFF
2 4
47K
U0508-1
47K
NC7SZ125
VCC2.85 Q0504
C0507
0.1uF
R0504
100K
UNSW_5V Supply
A+
2.85V Digital Supply Regulator
C0505
R0507
10K
.01uF
VR0500
R0510
5.1V
43K
VCC2.85
U0501
LP2951CD
1
OUTPUT
5
ERROR
2
SENSE
6
C0513
VTAP
150uF
R0518
10K
1.8V Digital Supply Regulator
C0526
.01uF
R0521
R0522
VCC5_FILT 39K
20K
U0507
LP2951CD
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
6
VTAP
C0528
0.1uF
A+
Part Series
500
R0531
100K
A+
Q0503
R0515
SW_A+
1K
EMERG_SENSE
IGNITION_SENSE
UNSW_5V
C0504
0.1uF
VCC2.85
LV_DETECT
VCC1.8
VCC2.85
C0529 U0508-2
4.7uF PWR_GND
VCC
C0536
0.1uF GND
MAEPF-27845-O
6815854H01-A