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Schematic Diagrams, Overlays, and Parts Lists
: Controller Section (403–470 MHz: 8486458Z03, 8415234H09, 450–512 MHz: 8486686Z02 & 450–527 MHz: 8415235H07)
800 MHz only
100pF
C405
1
TP410
EXT_MIC
INT_MIC
R449
24K
C479
0.1uF
C407
0.1uF
24K
R445
R425
30K
Vdda
URX_SND
RX_AUD_RTN
C414
0.1uF
C430
0.1uF
C451
.022uF
C415
0.1uF
4.7uF
C452
FLAT_RX_SND
VS_GAINSEL
DACRx
VOX
VS_AUDSEL
DA
TA
CLK
SQ_DET
LSIO HSIO CSX
CHACT
EXT_SPKR_SEL
FROM_RF
AUDIO_P
A_ENA
GREEN_LED
0.1uF
C411
BATT_CODE
A3 6
K1
3
K2
2
K3
1
CR412
A1 4
A2 5
R427
2.7K
BATT_DATA_IN
Vddd
10K
R416
2
3
1
4
R451
Q405
15K
OFF_BATT_DATA_OUT
C410
0.1uF
R475
0
Vdda
100pF
C408
C409
0.1uF
R447
100K
M
IF_DISC_OUT
DISC_OUT
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 Q403
1
3
2
NU
R455
1
2
3
CR440
TX_AUD_SND
LEDBL
MODIN
AUDIO
FLA
T_TX_R
T
N
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
DA
TA
DISC
AGCCAP
AUDIO
AUXRX AUXTX
CHACT
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
100pF
C427
0.1uF
C428
R429
75K
U407
Vddd
EE_CS
X25128-2.7
MISO
4Kx8 BIT
EEPROM
7
6
SCK
SI
5
SO
2
VCC
8
4
VSS
WP
3
CS
1
HOLD
5185130C53
1
TP406
0
R405
R401
0
0.1uF
C401
SWB+
NU
R402
4V_3.3V
C403
10uF
C402
3
1
2
Q400
R406
75K
Vddd
UNSWB+
.01uF
C400
U400
LP2951ACMM-3.3
8
1
R407
SENSE
2
SHUTDOWN
3
VTAP
6
ERROR
5
FEEDBACK
7
GND
INPUT
OUTPUT
INT_EXT_Vdd
68K
C406
0.1uF
C498
NU
4
Used for Lowband Only
0.1uF
RESET
R476
24K
Figure 4-4:
UHF Controller ASFIC/ON_OFF Schematic Diagram
Содержание PR860
Страница 1: ...PR860 Two Way Portable Radio Detailed Service Manual ...
Страница 2: ......
Страница 5: ...iv Notes ...
Страница 9: ...viii Table of Contents Notes ...
Страница 13: ...Notes xii List of Figures ...
Страница 17: ...1 4 Introduction Radio Model Information Notes ...
Страница 51: ...2 34 Theory of Operation Voltage Control Oscillators VCO Notes ...
Страница 81: ...4 4 Schematic Diagrams Overlays and Parts Lists Flex Layout Notes ...
Страница 193: ...4 116 Schematic Diagrams Overlays and Parts Lists Low Band Section Notes ...
Страница 196: ......