Motorola HT Series User Manual

9-252 UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (PCB 8415235H01, 8415235H05)
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
IF_DISC_OUT
C430
0.1uF
4.7uF
C452
C390
C328
24K
R445
R378
R371
C358
0.1uF
C414
0.1uF
C479
C337
R375
R373
C359
R374
U303-2
LM2904
6
5
7
8
4
C415
0.1uF
R372
R377
C407
0.1uF
24K
R449
R376
LM2904
U303-1
2
3
1
8
4
R425
30K
5V
C383
C451
.022uF
Vdda
DISC_OUT
Vdda
FLAT_RX_SND
URX_SND
RX_AUD_RTN
DACRx
VOX
VS_AUDSEL
VS_GAINSEL
C411
0.1uF
800 MHz only
C405 100pF
1
TP410
1
TP406
0
R405
SWB+
C401
0.1uF
R401
0
0.1uF
C410
0
R475
Vdda
Used for Lowband Only
68K R407
INT_EXT_Vdd
C406 0.1uF
R479
510
100K
R447
RESET
MECH_SWB+
0.1uF
C409
C408
100pF
VDDA
VDDDAC
VOX
PLCAP
SQIN
UIO
GNDA
DACG
DACR
DACU
DISC
AGCCAP
VDDCP
VDDD
VDDSYN
PLCAP2
SYN
TXRTN
NC
GCB3
GNDD
GNDD0
F1200
CLK168
U404
09Z41
GCB2 GCB1 GCB0 CHACT SQDET LSIO HSIO CSX CLK DATA GNDSYN LCAP
GREEN_LED
AUDIO_PA_ENA
EXT_SPKR_SEL
CHACT
SQ_DET
LSIO
HSIO
CSX
CLK
DATA
MICEXT
GNDRC
MICINT
VDDRC
TXSND
AUXRX
AUXTX
AUDIO
MOD
URXOUT
GCB5 GCB4
39 45 44
48 46 40
37 38
47 41
43 42
17
23 19 24
18 13
22 15 14 16 21
20
47K
R400
C421
0.1uF
.01uF
C420
0
R413
5V
Vdda
C422
0.1uF
C416
0.1uF
F1200
F1200
SYN
NU
C419
RED_LED
TX_AUD_RTN
16.8MHz
NU
R453
10uF
C480
R452
100K
Q403
1
3
2
R448
10K
0.1uF
C498
0
R456
NU
R454
NU
CR440
1
2
3
R451
15K
R455
OFF_BATT_DATA_OUT
R416
10K
2 3 1
4
Q405
0.1uF
C402 C403
10uF
R476
24K
SHUTDOWN
VTAP
ERROR FEEDBACK
GND
INPUT OUTPUT
SENSE
3
6
5 7
4
8 1
2
LP2951ACMM-3.3
U400
C400
100pF
NU
R402
Vddd
Q400
3
1
2
75K
R406
BATT_CODE
UNSWB+
2
1
3
4
5
6
K2
K3
A1
A2
A3
K1
CR412
R427
2.7K
BATT_DATA_IN
Vddd
4V_3.3V
EXT_MIC INT_MIC
Uhf band 1
ASFIC
R429
10K
EE_CS
C427
100pF
C428
0.1uF
Vddd
U407
X25128-2.7
3
1
7
6
5
8
4
2
MISO
4Kx8 BIT
EEPROM
VCC
VSS
WP
CS
HOLD
SCK
SI
SO
1
11
7
8
9
10
3
6
5
4
2
12
32
33
27
25
28
36
26
35
31
30
29
34
LEDBL
TX_AUD_SND
MODIN
AUDIO
FLAT_TX_RTN
R370
0
Figure 9-158. Controller ASFIC/ON_OFF Schematic Diagram

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