EasyManuals Logo
Home>Motorola>Two-Way Radio>HT Series

Motorola HT Series User Manual

Motorola HT Series
639 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #360 background imageLoading...
Page #360 background image
9-210 UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (PCB 8486686Z01)
Figure 9-125. UHF (450-527 MHz) Controller ASFIC/ON_OFF Schematic Diagram
DISC_OUT
IF_DISC_OUT
Vdda
C337
R378
R377
NU
NU
NU
C383
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
R371
C358
R372
5V
C328
R373
LM2904
U303-1
2
3
1
8
4
C390
8
4
LM2904
U303-2
6
5
7
C359
R374
R375
R376
Vdda
FLAT_RX_SND
URX_SND
RX_AUD_RTN
DACRx
VOX
VS_AUDSEL
VS_GAINSEL
C452
4.7uF
C430
0.1uF
C414
0.1uF
C451
C415
.022uF0.1uF
C479
0.1uF
R445
24K
R449
24K
30K
R425
0.1uF
C407
0.1uF
C411
VDDSYN
27
VOX
7
TXRTN
36
TXSND
44
UIO
10
VDDA
1
VDDCP
32
VDDD
33
VDDDAC
11
VDDRC
45
PLCAP
8
PLCAP2
25
RXRTN
43
RXSND
39
SQCAP
12
SQDET
17
SQIN
9
SYN
28
GNDSYN
23
HSIO
19
LCAP
24
LSIO
18
MICEXT
48
MICINT
46
MOD
40
NC
26
GCB2
13
GCB3
35
GCB4
37
GCB5
38
GNDA
3
GNDD
31
GNDDO
30
GNDRC
47
DACG
6
DACR
5
DACU
4
DATA
22
DISC
2
F1200
29
GCB0
15
GCB1
14
AUDIO
41
AUXTN
42
CHACT
16
CLK
21
CLK168
34
CSX
20
30C53
U404
R413
0
C422
0.1uF
47K
R400
.01uF
C420
0.1uF
C421
C416
0.1uF
F1200
SYN
5V
Vdda
0
R475
100pF
0.1uF
C408
C410
C409
0.1uF
INT_EXT_Vdd
MECH_SWB+
Vdda
LEDBL
TX_AUD_SND
MODIN
AUDIO
FLAT_TX_RTN
RED_LED
TX_AUD_RTN
16.8MHz
R453
100K
R452
R447
100K
NU
NU
NU
NU
NU
C419
C480
10uF
R448
10K
RESET
R454
R456
0
R455
1
2
CR440
1
3
2
Q403
15K
R451
24K
R476
C402
0.1uF
3
10K
2
4
13
R416
Q405
75K
10uF
C403
OFF_BATT_DATA_OUT
R406 R427
2.7K
CR412
A1
4
A2
5
A3
6
K1
3
K2
2
K3
1
BATT_CODE
BATT_DATA_IN
Vddd
UNSWB+
R402
3
1
2
Q400
Vddd
0
R405
TP406
1
R401
0
0.1uF
C401
R407
68K
SWB+
0.1uF
C406
.01uF
C400
SENSE
2
SHUTDOWN
3
VTAP
6
U400
LP2951ACMM-3.3
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
OUTPUT
1
Used for Lowband Only
R370
0
100pF
C405
1
TP410
EXT_MIC
INT_MIC
800MHz only
4V_3.3V
C428
0.1uF
C427
100pF
10K
R429
2
8
4
3
X25128-2.7
1
7
6
5
U407
Vddd
MISO
EE_CS
VCCVSS
WP
CS
HOLD
SCK
SI
SO
4Kx8 BIT
EEPROM
DATA
CLK
SQ_DET
LSIO
HSIO
CSX
CHACT
EXT_SPKR_SEL
FROM_RF
AUDIO_PA_ENA
GREEN_LED

Table of Contents

Other manuals for Motorola HT Series

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Motorola HT Series and is the answer not in the manual?

Motorola HT Series Specifications

General IconGeneral
BrandMotorola
ModelHT Series
CategoryTwo-Way Radio
LanguageEnglish

Related product manuals