Motorola HT Series User Manual

9-450 900 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8485910Z01)
C415
.01uF
30K
R425
4
A1
5
A2
6
A3
3
K1
2
K2
1
K3
C402
CR412
C400
0.1uF
C451
.01uF
C409
0.1uF
.022uF
VOX
7
UIO
10
39
URXOUT
VDDA
1
VDDCP
32
VDDD
33
11
VDDDAC
VDDRC
45
VDDSYN
27
NC
26
PLCAP
8
PLCAP2
25
SQDET
17
9
SQIN
SYN
28
TXRTN
36
TXSND
44
GNDRC
47
GNDSYN
23
HSIO
19
LCAP
24
LSIO
18
MICEXT
48
MICINT
46
MOD
40
GCB1
14
GCB2
13
GCB3
35
GCB4
37
GCB5
38
GNDA
3
GNDD
31
30
GNDD0
CSX
20
DACG
6
DACR
5
DACU
4
DATA
22
DISC
2
F1200
29
GCB0
15
12
AGCCAP
AUDIO
41 43
AUXRX
42
AUXTX
CHACT
16
CLK
21
CLK168
34
OUTPUT
1
SENSE
2
SHUTDOWN
3
VTAP
6
U404
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
U400
Q403
R413
0
R446
91K
20K
R448
C408
100pF
C479
0.1uF
R445
24K
24K
0.5pF
R449
C419
2.7K
R427
1MEG
R405
24K
R476
1MEG
10uF
R402
C412
10uF
C403
C407
0.1uF
C410
0.1uF
4.7uF
0.1uF
C480
C422
0.1uF
C411
0.1uF
C401
0.1uF
C416
1
2
3
CR440
0.1uF
C421
C405
100pF
.01uF
C420
R400
47K
C414
0.1uF
2
4
13
Q405
R407
68K
C430
0.1uF
3
1
2
R401
0
Q400
R406
75K
C406
0.1uF
R416
4.7K
430K
R447
1uF
C452
EEPROM
4Kx8 BIT
7
SI
5
SO
2
VCC
8
4
VSS
WP
3
U407
CLK
6
CS
1
HOLD
100pF
C427 C428
0.1uF
R429
10K
EXT_MIC
OFF_BATT_DATA_OUT
SWB+
BATT_CODE
INT_MIC
4V_3.3V
DATA
CSX
CHACT
SQ_DET
LSIO
HSIO
GREEN_LED
AUDIO_PA_ENA
EXT_SPKR_SEL
DEMOD
DACRx
VS_GAINSEL
VS_AUDSEL
VOX
SQ_IN
F
LAT_RX_SND
URX_SND
RX_AUD_RTN
Vdda
Vddd
MISO
EE_CS
BATT_DATA_IN
Vddd
UNSWB+
TP410
TP406
F1200
16.8MHz
5V
Vdda
Vdda
TX_AUD_RTN
SYN
RED_LED
INT_EXT_Vdd
RESET
R475
0
Vdda
MECH_SWB+
AUDIO FLAT_TX_RTN TX_AUD_SND MODIN LEDBL
Vddd
CLK
USED FOR LOWBAND ONLY
800 MHz only
NP
NP
NP
FL0830711O
Figure 9-273. 900 MHz Controller ASFIC/ON_OFF

Motorola HT Series Specifications

General

Battery Type	Li-Ion
Waterproof	IP54
Operating Temperature	-30°C to +60°C
Frequency Range	VHF: 136-174 MHz
Number of Channels	16