Motorola 6864115B62-C Detailed Service Manual page 213

VHF 1-25W PCB 8486172B07 / Schematics
9V3_VHF_IF_1
9V3
9V3_VHF_IF_2
5V_VHF_IF_1
5V
5V
FL3101
IFIN_VHF_IF_1 12R16
C3100 C3103
3 6
IN OUT
1000pF L3101
33pF
620nH
C3101
C3102
2.2pF 15pF
L3100
NU
620nH
NU
9V3
R3104
100
NU
R3105
100
R3108
C3111
620
0.1uF
R3106
27K
C3104
C3110
R3107
3VDC
6.8K
0.1uF
27pF
C3112 FL3102
12R16
Q3101 82pF
C3115
6
3
IN OUT
0.75VDC
22pF
L3112
C3113
620nH
9.1pF
C3114
R3101
NU 18pF
R3102
12K L3111
10
620nH
9V3
U3111-1
FL3111
14
9180469V03
VDD 1 IN
2 1
VSS
CNTL
7
13
3
9V3
9V3
R3114
100
U3111-2
FL3112
NU
14
9180469V06
3.9VDC
R3115 1 IN
3 VDD
4
5V
VSS
390
R3116
CNTL
330
C3121
7
0.1uF 5
R3117
27K
3
C3116 R3118 C3122
0.1uF 6.8K .039uF
C3123
0.75VDC .039uF
Q3102
3VDC
D3101
C3137
R3112 .039uF
5V
10
R3111
12K
R3130
51
6
R3113
330 C3134
VCC
0.1uF
C3132
R3124
0.1uF
820
C3133
44.395MHz
R3123
10uF
C3135
0
3 OUT 1
IN
R3132
33pF
C3131
GND1 GND 15K
1pF
C3124
Y3101 C3136
4 2
33pF NU
30pF
12R17
L3124
1uH
NU
R3133
8.2K
FL3115
NU
9180469V04
2
1 IN OUT
4
3
14 FL3113
14
9180468v04
VDD VDD 1 IN 11
OUT 2 11 10 2 1 OUT 2
VSS VSS
CNTL CNTL CNTL
7 7
12 13 12
U3111-4 U3115-1 GND
4 3
U3115-3
U3111-3 U3115-2
FL3114
14 14
9180468V06
4
2 8 VDD 9 VDD 1 IN 2
OUT 3 OUT 8
VSS VSS
CNTL CNTL CNTL
7 7
6 5 6
GND
3
4
R3145
3.3K
C3145
C3148
R3144
0.1uF
2.4K 220pF
NU
Y3102
R3135
1
3
1.2K
2 455KHz
U3101
C3142 45B02
15
SA616 5V
0.1uF
C3144
0.1uF
R3141
IFAMP
390
_DEC2
Q3141
R3142
1.8K
C3139
R3134
0.1uF
C3141
10K
0.1uF
C3140
C3146
0.1uF
4700pF
R3146
R3147
680
12K
4-27
9V3
14
9V3
VDD 10
VSS
R3153
7
10K
U3115-4
R3151
BWSELECT_VHF_IF_1
10K BWSELECT
12.5kHz 0VDC
14 C3151
20/25kHz 5VDC
.01uF
Q3151
VDD 9
9V3
VSS
7
R3154
10K
R3152
10K
C3152
Q3152
.01uF
C3143
120pF
C3147
0.1uF
DISCAUDIO_VHF_IF_1
DISCAUDIO
RSSI
RSSI_VHF_IF_1
ZWG0130565-O ZWG0130565-O
VHF (136-174 MHz) IF