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Schematic Diagrams, Overlays, and Parts Lists
: UHF Band 1: Circuit Board/Schematic Diagrams and Parts List (PCB 8415234H09)
C
324
22pF
560
n
H
L311
IF
9.1pF
C
325
1
4
3
6
44.85MHz
MXF45
FL301
2
5
GND1
GND2
IN
OUT
CC
1
CC
2
NU
C
338
L330
680
n
H
33K
R311
L331
680
n
H
Q302
C
327
4.7K
0.1
u
F
R312
12K
R315
0.1
u
F
C
361
5V
0.1
u
F
C
348
330
R313
3.3pF
C
360
1.6K
R314
C
326
0.1
u
F
R5
C
R311
NU
NU
C
382
10
u
F
C
344
0.1
u
F
0.1
u
F
C
355
L332
1.2
u
H
C
366
C
385
30pF
R344
51
R359
FL302
C
FU
C
J455E
3
GND
1 IN
2
OUT
24pF
C
604
C
357
0.1
u
F
24pF
C
392
0.1
u
F
C
347
3.3K
R350
R358
2.4K
T
C
7W04F
U302-2
6
2
C
362
0.1
u
F
100K
R355
5V
BW_SEL
U302-1
1
7
T
C
7W04F
0.1
u
F
C
352
39K
R345
C
603
24pF
3
GND1
GND2
4
C
387
24pF
R360
20K
C
FW
C
455E
1 IN
2
OUT
FL303
C
R313
1
2
3
24pF
C
388
FL304
3
GND1
4
GND2
IN
1
C
FW
C
455G
C
389
24pF
OUT 2
20K
R324
C
R312
1
2
3
39K
R321
0.1
u
F
C
329
45B02
3
2
1
455KHz
Y301
0.1
u
F
C
350
R369
680
C
334
4700pF
8.2K
10K
R368
R367
0.1
u
F
DIS
C
_OUT
C
349
12K
R366
44.395MHz
TSS-2
Y300
2
GND
4
GND1
3
OUT
1
IN
RSSI
DIS
C
_OUT
NU
R346
15K
R322
1K
C
364
24pF
L325
1
u
H
30pF
C
367
R320
5V
1
3
2
R363
390
20K
R361
C
351
120pF
MMBT3904
Q320
1.2K
R365
R364
1.8K
0.1
u
F
C
343
0.1
u
F
C
346
C
345
0.1
u
F
U302-4
PWR_GND
4
GND
8
V
CC
U302-3
T
C
7W04F
3
5
N
C
5V
QUADIN
RFIN_DE
C
RSSIOUT
RSSI_FEED
V
CC
IFAMP_DE
C
2
LIMIN
LIMOUT
LIM_DE
C
1
LIM_DE
C
2
MIXOUT
OS
C
IN
OS
C
OUT
AUDIOOUT
AUDIO_FEED
GND
IFAMPIN
IFAMPOUT
IFAMP_DE
C
1
3
RFIN
5
6
17
11
13
8
16
10
1
2
9
19
14
12
20
4
U301
SA616
7
15
18
C
RYSTAL FILTER SHEILD
SH323
SHIELD
1
SHIELD
SH322
1
LVZIF BTM SHEILD
Figure 4-31:
UHF Receiver Back End Schematic Diagram: PCB No. 8415234H09
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: ......