Figure 7-104.Hue4040A Power Supply Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

7-150
DC DISTRIBUTION
V(operating)/mA(max) SOURCED BY: SUPPLY FOR:
VOLTAGE
Battery SW_B+ Audio PA
FILT_B+
VCC1.8, VCC1.55 1.86 & 1.55 / 100 mA VCC5 Patriot, EIM, Memory
VCC2.85 2.85 / 100 mA VCC5 I/O Ring, EEPOTs
USB, Codec
VCC3 3.0 / 100 mA VCC5 Power Control
VCC5 5.0 / 500 mA SW_B+ T-Gates, VIP S, SB9600
Voltage Translation
1.8V, 3V Regulators
5.0 / Battery
UNSW_5V A+ Emergency Detect/Timer
FILT_B+
SW_B+ Battery A+
SW_B+ Sense Circuit
9V Regulators
9.3V_TX 9.3V / 1A A+ Mic Bias Circuit
EMERGENCY
IGNITION
9V Regulator
SW_A+
U0500
4 5
VOUT
VIN
2 1
R0528
ON_OFF ADJ
C0532
C0531
7.5K
GND1
GND2
0.1uF R0526
1uF
3 6
100
C0533
R0529
1.2K
22uF
5V Regulator
VCC9
U0503
1 3
IN OUT
C0517
C0516
GND
0.1uF 4.7uF
2
9.3V_ABACUS
U0505
1 3
IN OUT
GND
C0520
C0521
2
0.1uF
4.7uF
Figure 7-104. HUE4040A Power Supply Schematic
May 25, 2005
UNSW_5V
Emergency Sense Block
R0523
100K
Non Inverted
UNSW_5V
R0527
0
NU
Q0501
6 5 4
R0503 C0500
0
1 2 3
Inverted
R0516
100K
A+
R0524
10K
NU C0502
VCC2.85 SW_A+
VCC9
100pF
R0505 R0506 VCC2.85
10K 10K
C0534
8
6
7
0.1uF
U0604-2
5
4
R0508
3.3K
SW_B+_ON-OFF
R0509
C0503
1K
100pF
VCC5
Q0505
2
INPUT
5
CD
C0519
.01uF
VCC5
VCC5_FILT
R0519
10
C0518
4.7uF
C0535
VCC5_FILT
0.1uF
VCC5
5V_ABACUS
C0537
C0514
1uF
150uF
NU
C0522 C0523
4.7uF 0.1uF R0514
0
Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
UNSW_5V
R0500
R0502
100K 390K
U0506
4
RESET
3
OUTPUT
2
TRIGGER
6
THRESHOLD
7
DISCHARGE
C0525
5
CONTRLVOLTAGE
1uF
8
UNSW_5V
VPOS
C0524
GND
VCC2.85
1
0.1uF
0.1uF
R0504
100K
Q0500
R0520
47K
C0505
.01uF
R0511
33K
R0510
VCC5
43K
U0501
8
SW_B+_SENSE INPUT
7
FEEDBACK
C0527 C0512
3
SHUTDOWN
0.1uF
4.7uF
GND
U0504
OUTPUT 1
NC 4
GND
3
1.55V Digital Supply Regulator
C0506
.01uF
R0513
R0512
39K
VCC1.55
10K
U0502
8
1
INPUT OUTPUT
7
5
FEEDBACK ERROR
3
2
SHUTDOWN SENSE
C0510
C0515
6
VTAP
0.1uF
4.7uF
GND
R0525
4
100
SOFT_TURN_OFF
Q0502
SW_B+_ON-OFF
SW_B+_ON-OFF
VR0501
15V
VCC2.85
Q0508
C0507
6 5 4
Q0504
0.1uF
1 2 3
Q0506
R0532
3.3K
2.85V Digital Supply Regulator
A+
R0507
10K
VCC2.85
OUTPUT 1
ERROR 5
SENSE 2
C0513
6
VTAP
150uF
4
1.8V Digital Supply Regulator
C0526
.01uF
R0521
R0522
VCC5_FILT 39K
20K
U0507
8 OUTPUT 1
INPUT
7 ERROR 5
FEEDBACK
3
SHUTDOWN
SENSE
VTAP
C0528
GND
0.1uF
4
A+
R0530
330K Q0507
R0531
100K
A+
VR0502
R0515
20V
1K
Q0503
SW_A+
EMERG_SENSE
IGNITION_SENSE
UNSW_5V Supply
UNSW_5V
C0504
VR0500
5.1V
0.1uF
VCC2.85
R0518
10K
LV_DETECT
VCC1.8
2
6
C0529
4.7uF
6881096C74-B