Motorola HT Series User Manual

9-430 800 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8471827L03)
Figure 9-254. 800 MHz Controller ASFIC/ON_OFF
SQ_IN
Vdda
DISC
VOX
VS_AUDSEL
VS_GAINSEL
DACRx
FLAT_RX_SND
URX_SND
RX_AUD_RTN
30K
R425
R445
24K
24K
R449
0.1uF
C479
C407
0.1uF
C411
0.1uF
Vdda
C451
.022uF
0.1uF
C430
.01uF
C415
0.1uF
C414
1uF
C452
10
1
11
7
12
9
8
3
4
2
6
5
17
24
18
23
19 22
15
14
13
16 21
20
32
33
27
28
36
26
25
31
30
29
35
34
45
43
39
44 48
46
40 37 38 47 41
42
UIO
VDDA
VDDCP
VDDD
VDDDAC
VDDRC
VDDSYN
VOX
RXRTN
RXSND
SQCAP
SQDET
SQIN SYN
TXRTN
TXSND
LCAP LSIO
MICEXT
MICINT
MOD
NC
PLCAP
PLCAP2
GCB4 GCB5
GNDA
GNDD
GNDDO
GNDRC
GNDSYN HSIO
DACU
DATA
DISC
F1200
GCB0 GCB1
GCB2
GCB3
AUDIO
AUXTN
CHACT
CLK
CLK168
CSX
DACG
DACR
U404
63A53
MODIN AUDIO FLAT_TX_RTN LEDBL TX_AUD_SND
0
R475
0.1uF
C409
10uF
C412
C408
100pF
C410
0.1uF
Vdda
800 MHz only
100pF
C405
TP410
1
EXT_MIC INT_MIC
Used for Lowband Only
0.1uF
C401
TP406
1
68K
R407
0
R401
0.1uF
C406
RESET
INT_EXT_Vdd
Not placed
Not placed
R405
1MEG
4V_3.3V
SWB+
1MEG
R402
10uF
C403
0.1uF
.01uF
C402
C400
Vddd
INPUT OUTPUT
SENSE
3
SHUTDOWN
VTAP
LP2951ACMM-3.3
U400
ERROR
7
FEEDBACK
4
GND
8
1
2
6
5
0.1uF
C498
R476
24K
3
1
2
R406
Q400
75K
UNSWB+
BATT_CODE
31
Q405
2
4
10K
R416
OFF_BATT_DATA_OUT
NU
NU
NU
R455
0
R456
R452
1
2
3
100K
CR440
10uF
C480
10K
R448
Q403
R451
15K
R454
R453
100K
R447
MECH_SWB+
A3
6
K1
3
K2
2
K3
1
CR412
A1
4
A2
5
BATT_DATA_IN
R427
2.7K
Vddd
0.1uF
C428
100pF
C427
2
8
4
X25320_2.7V
U407
Vddd
MISO
R429
10K
EE_CS
1
7
5
3
6
EEPROM
4Kx8 BIT
HOLD
SI
SO
VCCVSS
WP
CLK
CS
Not placed
C421
0.1uF
C419
0.5pF
0
R413
C420
.01uF
C422
0.1uF
C416
0.1uF
R400
47K
TX_AUD_RTN
5V
SYN
F1200
Vdda
16.8MHz
RED_LED
CHACT
SQ_DET
LSIO
HSIO
DATA
CLK
EXT_SPKR_SEL
A
UDIO_PA_ENA
GREEN_LED
CSX
ASFIC

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