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Motorola HT Series User Manual

Motorola HT Series
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9-76 UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8486458Z02)
Figure 9-59. UHF (403-470 MHz) Controller ASFIC/ON_OFF Schematic Diagram
G
G
800 MHz only
100pF
C405
1
TP410
EXT_MIC
INT_MIC
G
G
G
R449
24K
C479
0.1uF
C407
0.1uF
24K
R445
R425
30K
Vdda
URX_SND
RX_AUD_RTN
G
G
G
G
G
C414
0.1uF
C430
0.1uF
C451
.022uF
C415
0.1uF
4.7uF
C452
FLAT_RX_SND
VS_GAINSEL
DACRx
VOX
VS_AUDSEL
G
G
G
G
G
G
G
G
G
G
DATA
CLK
SQ_DET
LSIO
HSIO
CSX
CHACT
EXT_SPKR_SEL
FROM_RF
AUDIO_PA_ENA
GREEN_LED
0.1uF
C411
G
1
TP406
0
R405
R401
0
0.1uF
C401
SWB+
G
NU
R402
4V_3.3V
G
C403
10uF
C402
0.1uF
3
1
2
Q400
R406
75K
BATT_CODE
Vddd
UNSWB+
G
G
A3
6
K1
3
K2
2
K3
1
CR412
A1
4
A2
5
R427
2.7K
BATT_DATA_IN
Vddd
G
10K
R416
231
4
R451
Q405
15K
OFF_BATT_DATA_OUT
.01uF
C400
SENSE
2
SHUTDOWN
3
VTAP
6
U400
LP2951ACMM-3.3
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
OUTPUT
1
C410
0.1uF
R475
0
INT_EXT_Vdd
Vdda
G
Used for Lowband Only
100pF
C408
C409
0.1uF
R407
68K
0.1uF
C406
G
G
R447
100K
MECH_SWB+
RESET
G
IF_DISC_OUT
DISC_OUT
G
G
NU
NU
NU
NU
R378
C328
5V
R377
R371
Vdda
NU
NU
NU
NU
NU
NU
R373
R372
C383
U303-1
LM2904
2
3
1
8
4
C337
0
R370
C358
NU
NU
NU
NU
NU
NU
R376
R374
C390
R375
C359
LM2904
U303-2
6
5
7
8
4
NU
NU
R453
R456
0
10uF
C480
R454
10K
R448
100K
R452
R476
24K
Q403
1
3
2
NU
R455
1
2
3
CR440
G
G
G
G
G
TX_AUD_SND
LEDBL
MODIN
AUDIO
FLAT_TX_RTN
7
10
1
11
8
9
3
6
5
4
2
12
27
36
32
33
26
25
28
31
30
29
35
34
17
23
19
24
18
15
14
13
21
20
22
16
45
44
39
46
40
47
48
37
38
41
43
42
09Z41
U404
VDDRC
VDDSYN
VOX
TXRTN
TXSND
UIO
URXOUT
VDDA
VDDCP
VDDD
VDDDAC
MICINT
MOD
NC
PLCAP
PLCAP2
SQDET
SQIN SYN
GNDD
GNDD0
GNDRC
GNDSYN
HSIO
LCAP
LSIO
MICEXT
F1200
GCB0
GCB1
GCB2
GCB3
GCB4
GCB5
GNDA
CLK
CLK168
CSX
DACG
DACR
DACU
DATA
DISC
AGCCAP
AUDIO
AUXRX
AUXTX
CHACT
G
G
G
G
G
G
NU
0.1uF
C416
R413
0
C420
.01uF
0.1uF
C422
C419
C421
0.1uF
R400
47K
F1200
SYN
5V
RED_LED
TX_AUD_RTN
Vdda
16.8MHz
G
100pF
C427
0.1uF
C428
R429
75K
U407
Vddd
G
EE_CS
X25128-2.7
G
MISO
4Kx8 BIT
EEPROM
7
6
SCK
SI
5
SO
2
VCC
8
4
VSS
WP
3
CS
1
HOLD
5185130C53

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Motorola HT Series Specifications

General IconGeneral
BrandMotorola
ModelHT Series
CategoryTwo-Way Radio
LanguageEnglish

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