Motorola ASTRO Digital Spectra User Manual

7-66 Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section
September 5, 2008 6881076C25-E
HLN6837C ASTRO Spectra Plus Audio/DC Discrete Schematic
DNP
AUDIO DC BLOCK DISCRETE
CLOCK GEN
NC
5V voltage detect
DNP
DNP
Reset out
32kHz TO PATRIOT
16.8Mhz TO PATRIOT
DNP
1.8V and 3.0V Regulators
Ana / Dig Ground Conn.
C438
.01uF
C441
0.1uF
33pF
C404
1K
R435
R443
10MEG
3.3K
R400
R426
470K
VCC5.0
C435
0.1uF
C428
VCC5.0
20K
0.1uF
PWR_GND
U409-2
GND
3
VCC
5
R452
1uF
C402
R437
22K
VCC3.0
R401
3.3K
5.1K
SENSE
2
SHUTDOWN
3
6
VTAP
R404
U410
LP2951CD
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
OUTPUT
1
22K
0
R438
L400
VCC5.0
R420
1uH
C431
2K
R434
TP407
0.1uF
C440
12pF
2
GND
3
OUT
4
VCC
1
VCON
VCC3.0
KT19
freq=16.8MHz
*Y400*
C436
.01uF
R416
.01uF
C432
VCC3.0
0
R403
0
4.7uF
C425
VCC3.0
TC7SU04F
U408
3
GND
2
1
NC
4
5
VCC
VCC3.0
12pF
C423
470K
12pF
C424
R442
C406
0.1uF
INC
1
L
6
2
U_D
8
VDD
5
W
MAX5160
U400
CS
7
4
GND
3
H
R421
0
GND
4
H
3
1
INC
6
L
U_D
2
VDD
8
W
5
U401
MAX5160
7
CS
R402
100K
TP400
4.7uF
C430
R409
.01uF
C407
100K
100pF
C444
C434
4.7uF
C420
R441
470K
VCC1.8
0.1uF
150pF
C403
R429
0
10MEG
R425
2.2K
R405
R407
10K
R455
47K
R454
33K
C439
15pF
VCC3.0
C400
0.1uF
C417
4.7uF
U404-1
MC33202
2
3
1
8
4
VCC3.0
VCC3.0
VCC3.0
R430
0
18K
R408
0
100pF
C427
TP404
R419
TP401
0
R436
I1
1
I2
2
VCC3.0
SIGNAL_CONVERT
SC400
10K
R410
C415C433
0.1uF 4.7uF
R406
100K
5
ERROR
7
FEEDBACK
4
GND
8
INPUT
1
OUTPUT
2
SENSE
3
SHUTDOWN
6
VTAP
LP2951CD
U411
C437
C401
0.1uF
VCC5.0
0.1uF
R456
0
470pF
C229
470pF
C228
C429
150pF
0.1uF
C422
C405
VSS
15
0.1uF
PO_POS
5
RO_NEG
2
TG
1718
TI_NEG
TI_POS
19
VAG
20
VAGREF
1
VDD
6
DT
13
FSR
7
FST
14
HB
16
MCLK
11
PDI
10
PI
3
PO_NEG
4
U402
MC145483
BCLKR
9
BCLKT
12
DR
8
2
1
4
TP403
8
4
74AHC1G04
*U409*
VCC3.0
MC33202
U404-2
6
5
7
U412
5
CD
3
GND
2
INPUT
4
NC
1
OUTPUT
10MEG
R427
53D46
R451
39K
Y401
CC4V
freq=32.768KHz
2
1
R428
VCC5.0
LV_DETECT
SDO
100
DCLK
MAI
CLIH
CODEC_PWR_DOWN
EEPOT_CS
WARP
RX
32k_CLK
FSYNC
TX
EEPOT_CS_2
EEPOT_U_D*
EEPOT_INC*
63B81096C44-O

Motorola ASTRO Digital Spectra Specifications

General

Brand	Motorola
Model	ASTRO Digital Spectra
Category	Radio
Language	English