Motorola ASTRO Digital Spectra User Manual

Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section 7-79
6881076C25-E September 5, 2008
HLN6837E ASTRO Spectra Plus Audio/DC Discrete Schematic
4
AUDIO DC BLOCK DISCRETE
EEPOT_CS_2
EEPOT_U_D*
EEPOT_INC*
EEPOT_CS
W
CS
GND
H
INC L
U_D
VDD
8
5
7
4
3
16
2
U400
MAX5160
C400
0.1uF
VCC2.85
10K
R407
1uF
C402
3.3K
R400
22K
R437
2
3
1
8
4
MC33202
U404-1
C429
150pF
22K
R438
VCC5.0
33pF
C404
100K
R406
MAI
C428
0.1uF
C403
150pF
MC33202
6
5
7
8
4
U404-2
C405
0.1uF
R408
18K
VCC5.0
3.3K
R401
CS
7
GND
3
H
INC
1
L
6
2
U_D
VDD
5
W
8
MAX5160
U401
0.1uF
C401
VCC2.85
100K
R409
.01uF
C407
C406
0.1uF
VCC2.85
100K
R402
0.1uF
C441
VCC2.85
VCC2.85
0
R403
C425
4.7uF
VDD
VSS
PO_NEG
PO_POS
RO_NEG
TGTI_NEG
TI_POS
VAGVAGREF
DR
DT
FSR
FST
HB
MCLK
PDI
PI
MC145483
U402
BCLKR
BCLKT
6
15
4
5
2
1718
19
201
8
13
7
14
16
11
10
3
9
12
R410
10K
5V voltage detect
C438
.01uF
CD
5
GND
3
INPUT
2
NC
OUTPUT
VCC5.0
4
1
U412
53D46
DNP
470pF
C229C228
470pF
Reset out
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
VTAP
6
U413
LP2951CD
ERROR
5
FEEDBACK
7
GND
4
INPUT
43K
R458
VCC2.85
SDO
CLIH
32k_CLK
.01uF
C447
150uF
C448
4.7uF
C508
VCC1.55
LV_DETECT
OUTPUT
2
SENSE
3
SHUTDOWN
VTAP
6
LP2951CD
5
ERROR
7
FEEDBACK
GND
8
INPUT
1
10K
U414
R460
.01uF
C507
4
39K
R459
100
R461
NP
C505
150uF
VCC5.0 VCC5.0
C506
0.1uF
C449
1uF
R462
0
4.7uF
C417
C437
0.1uF
VCC3.0
0
R420
0.1uF
C435
4.7uF
C434
R455
R454
47K
VCC5.0
33K
2
SHUTDOWN
3
VTAP
6
U411
LP2951CD
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
OUTPUT
1
SENSE
.01uF
C436
4
GND
8
INPUT
1
OUTPUT
2
SENSE
3
SHUTDOWN
VTAP
6
5
ERROR
7
FEEDBACK
1.8V, 2.85V, 3.0V, and 1.55V Regulators
20K
R452
LP2951CD
U410
C432
.01uF
VCC1.8
R419
0
VCC5.0
C445
4.7uF
C415
4.7uF0.1uF
C433
R457
33K
0.1uF
C446
C430
4.7uF
C431
0.1uF
39K
R451
16.8Mhz TO BRAVO
32kHz TO BRAVO
VCC5.0
100
R428
R436
0
C427
100pF
DNP
DNP
VCON
1
0
R456
16.8MHz
KT19
GND
2
OUT
3
VCC
4
C444
100pF
*Y400*
0.1uF
C420
12pF
C440
0
R430
VCC2.85
0
R421
NC
470K
R441
C439
15pF
L400
1uH
*U409*
2
1
4
VCC2.85
470K
R442
R435
1K
R443
10MEG
10MEG
R425
470K
R426
R427
10MEG
32.768KHz
CC4V
Y401
2
1
0.1uF
C422
74AHC1G04
VCC2.85
3
2
NC
14
VCC
5
U408
TC7SU04F
GND
CLOCK GEN
I
I
I
I
O
DCLK
FSYNC
CODEC_PWR_DOWN
TX
WARP
RX
VCC2.85
R434
2K
DNP
R404
5.1K
0
R429
2.2K
R405
R416
0
0.1uF
C442
3
GND
5
VCC
U409-2
PWR_GND
VCC2.85
Ana / Dig Ground Conn.
1
I1
2
I2
SC400
SIGNAL_CONVERT
C423
12pF
12pF
C424

Motorola ASTRO Digital Spectra Specifications

General

Brand	Motorola
Model	ASTRO Digital Spectra
Category	Radio
Language	English