Etapas De Entrada Y De Salida Del Receptor 25-45 W Vhf2 (146-174 Mhz) (Hoja 2 De 2) - Motorola EM200 Serie Manual De Servicio

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Esquemas eléctricos del radio VHF2 25-45 W banda 2, tarjeta de circuito impreso 8486487Z04
FROM R337
RX_INJ
C361
18pF
Check if it is 3v or another value
3V
8
VCC
U301-4
GND
PWR_GND
4
3
5
U301- 3
TC7W04F
T300
XFM R
6
1
2
4
3
U302
T301
XFMR
6
1
2
C327
L312
C326
L313
4
3
33.47nH
33.47nH
1000pF
1000pF
C348
C362
R301
39pF
18pF
470
TP4
TP1
1
1
TEST_POINT
TEST_POINT
U301-2
TC7W04F
BW_SEL
R336
5V
100
MIXER SHIELD
FL300
MXF45
L305
470nH
44.85MHz
L304
1.2uH
3
IN
6
R340
OUT
2 CC1
51
C357
5
C364
CC2
22pF
8.2pF
C342
C335
L306
150nH
82pF
9.1pF
4
1
SH302
SHIELD
1

Etapas de entrada y de salida del receptor 25-45 W VHF2 (146-174 MHz) (hoja 2 de 2)

U301-1
TC7W04F
1
7
FL301
R306
R315
20K
FLTR
12K
C313
1
IN
OU T
2
0.1uF
GND
3
2
6
D302
R316
R305
FL302
C312
20 K
12K
FLTR
1
0.1uF
IN
OUT
2
R324
R326
3.3K
2.4K
GND
3
C316
0.1uF
FL30 4
R317
R307
CFWC455D
12K
20K
1 IN
OUT
2
3
4
D304
FL303
D303
CFWC455G
1 IN
2
OUT
R325
R319
3.3K
12K
C305
0.1uF
R332
3
4
560
C318
R338
6
0.1uF
3V
51
C307
C301
C308
R304
33K
0.1uF
10uF
0.1uF
C336
R322
C304
0.1uF
4.7K
6.8pF
U300
Q305
SA616
R323
C303
C360
C367
4.7K
C359
2.7pF
R312
0.1uF
22pF
13K
DNP
22pF
DNP
DNP
CR300
C319
C306
0.1uF
0.1uF
C352
C353
R309
15K
33pF
30pF
R311
15K
Y301
06B09
NU
44.395MHz
1
3
OUT
IN
C356
R303
4
2
0
30pF
NU
L315
27nH
NU
4-13
D301
R314
12K
3V
C317
0.1uF
R334
390
C311
C310
Q302
0.1u F
0.1uF
C302
R328
1.8K
130pF
Y300
R329
45B02
1.2K
15
455KHz
C315
0.1uF
C320
0.1uF
R313
RSSI
C314
12 K
0.1uF
C309
0.1uF
R320
R331
DEMOD
10K
680
C322
R321
8.2K
4700pF

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