Transmisor 25-45 W Vhf2 (146-174 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-8
C1053
FILT_SW_B+_PA
C1072
1000pF
R130
V_CTRL_PREDRIVE R
0
U103-3
MC3303
VCNTR1
IF108 R109
TX_INJ
30
R173
150
V_CTRL_PREDRIVER
L118
35U02
IF105
9V
C1126
220pF
IF107
PA_BIAS
C1092
1000pF
FILT_SW_B+
IF106
FILT_SW_B+
C1086
1000pF
IF104
R182
RX_EN
10K

Transmisor 25-45 W VHF2 (146-174 MHz) (hoja 1 de 2)

PA_FILT_B+
(SOURCE)
L100
35U02
C1000 C1112 C1110 C1109 C1106
220pF 220pF 220pF 220pF 470pF
R137
39K
1000pF
FLT_9V
VCNTR3
R168
4
9
2.2K
8
C1060
10 R122 R197
4.7 4.7
11
1000pF
R165 V_CTRL_DRIVER
2.4K
C1074 C1039
C1118 L104
12nH
1000pF
.022uF
VCNTR1 33pF
C1119
L107
4.22nH
24pF
C1057 C1031
C1041 1000pF .022uF
R171
L105
470pF 220
68nH
C1044
C1117
6
16
RFIN RFOUT 1
RFOUT 2 7
R174 330pF 14 VG1 2
VD1
11 VG2 3
150 G2
1
VCNTRL
8
NC1 C1042 C1038
R159
9
U101
NC2
10 5.6K
NC3 30C65
.022uF
110pF
15
NC4
V_CTRL_PREDRIVER NU NU
VR105
5.6V
C1043
C1032 R158
R176
5.6K
120nH
.022uF 110pF
FLT_9V
C1030
C1070
27pF
1000pF
FILT_SW_B+_P A
L121
35U02
VCNTR2
Q102
C1084 C1129
220pF
220pF
C1089
C1107 R186 C1103
1000pF 5.1
470pF .033uF
C1027
10uF
C1040
R138
NU
VCNTR3 NU
39K
FLT_9V
2200pF
R189
R188
0
0
R169
NU
NU NU
2.2K
2
8
R175
1
C1061
3
R126 R127
NU
220
R147 1
U102-1 4 1000pF 1
NU
22K R166
LM2904
NU
2.4K
C1001 C1064
NU
VCNTR2 1000pF
1uF
VCNTR2
L122
13.85nH
C1105
C1068
330pF 470pF
R102
51 Q105
L106
L110
C1069
12nH
7.66nH
36pF
C1120
L109 330pF
R178
11.03nH NU
R179
33pF 36
NU
36
TP103
1 R199
V_CTRL_DRIVER
0
IF100
C1033 C1063
.022uF 330pF C1095
M100
220pF
HEATSINK
MRF1518's Thermal pad
1
R139
R170
39K
TP104
510
NU
1
R136 C1054 C1028
VCNTR1
VR101
1000pF 0.1uF
39K
Q101 5.6V
R153
R155
10K
10K
Esquemas eléctricos del radio VHF2 25-45 W banda 2, tarjeta de circuito impreso 8486487Z04
PA_FILT_B+
C1037
.022uF R125
2.7
R124
2.7
C1015 1.542*4 .8*2 5 0 C1026
R123
Q100-G
2.7
110pF 2200pF
R105 R106
51
51
TP102
C1014 C1012
1
56pF 56pF
NU
C1065 C1104
330pF .01uF
V_CTRL_DRIVER D100
NU
R134
VCNTR3
47K
R131
100K
C1036
IF113
R167
INTEGRATOR
2.2K
.022uF
C1081
U103- 2 1000pF
MC3303
4 6
C1062
7
5
1000pF FLT_9V
11
R180
1
47K
TP150 V_REF_OPAMP
V_CNTRL
C1066
C1029
R181
47K
INTEGRATOR
1000pF 0.1uF
INTEGRATOR