Motorola Pro3100 Detailed Service Manual

Section 4: 4-52 VHF (136–174 MHz) 1–25 W PCB 8471235L06 Schematics, and Parts Lists
6881091C63-F
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IF
5V
5V_VHF_IF_1
9V3_VHF_IF_1
9V3
9V3_VHF_IF_2
5V
C3101
2.2pF
NU
IFIN_VHF_IF_1
GND1
1 2
GND2
4
GND3 GND4
5
IN
3
OUT
6
12R16
FL3101
NU
1000pF
C3100
L3100
620nH
3VDC
C3111
0.1uF
NU
R3104
100
R3105
100
R3108
620
R3106
27K
0.1uF
C3104
R3107
6.8K
9V3
C3112
82pF
27pF
C3110
FL3102
12R16
5
GND4
3
IN
6
OUT
1
GND1 GND2
2
GND3
4
NU
9.1pF
C3113
L3111
620nH
Q3101
R3102
10
0.75VDC
R3101
12K
L3101
620nH
33pF
C3103
C3102
15pF
0102727B37
0102727B37
0102727B37
0102727B37
Assembly NoBoard Kit No
GUD6336C
GUD6338C
GUD6340C
GUD6341B
DUMMY
GUD6340C
NC_ASSYBOX
NOTPLACED 2113740L30 33pF
L3124 NOTPLACED 2462587N68 1uH
C3136 2113740L29 30pF 2113740F35 22pF
fundamental xtal 3rd overtone xtal
Y3101 4880606B09 4802245J84
R3123 0662057B47 0 NOTPLACED
R3124 NOTPLACED 0662057A49 1K
C3124
06B09
GND
2
GND1
4
OUT
3
IN
1
Y3101
R3123
0
NU
L3124
1uH
C3124
33pF
R3124
1K
0.75VDC
620nH
L3112
12K
R3111
C3115
22pF
18pF
C3114
27K
R3117
Q3102
C3116
0.1uF
6.8K
R3118
3.9VDC
100
R3114
NU
390
R3115
5V
9V3
3VDC
0.1uF
C3121
330
R3116
.039uF
C3122
.039uF
C3123
R3112
10
D3101
330
R3113
IN
1
OUT
2
CFWC455D
FL3112
GND1
3
4
GND2
4
5
3
VDD
14
VSS
7
MC74HC4066
U3111-2
CNTL
CNTL
6
98
VDD
14
VSS
7
MC74HC4066
U3111-3
CNTL
5
43
VDD
14
VSS
7
MC74HC4066
U3115-2
13
CNTL
12
14
VDD
7
VSS
U3111-1
MC74HC4066
0.1uF
C3153
9V3
9V3
OUT
2
CFWC455G
FL3111
GND1
3 4
GND2
IN
1
U3111-4
MC74HC4066
12
7
CNTL
1011
14
VDD
VSS
0.1uF
C3154
7
U3115-1
MC74HC4066
13
VDD
VSS
CNTL
12
14
C3157
0.1uF
CFUCJ455F
FL3113
GND
3
IN
1
OUT
2
C3158
0.1uF
9V3
U3115-4
MC74HC4066
12
CNTL
1011
14
VDD
7
VSS
R3153
10K
9V3
GND
3
C3145
0.1uF
R3145
3.3K
R3144
2.4K
C3156
0.1uF
C3148
220pF
NU
0.1uF
C3159
CFUCJ455D
FL3114
IN
1
OUT
298
VDD
14
VSS
7
MC74HC4066
U3115-3
CNTL
6
R3154
10K
Q3151
47K
47K
.01uF
C3151
R3151
10K
9V3
12.5kHz 0VDC
20/25kHz 5VDC
BWSELECT_VHF_IF_1
BWSEL
Q3152
47K
47K
C3152
.01uF
R3152
10K
C3160
0.1uF
10
RFIN
1
RFIN_DEC
2
RSSIOUT
5
RSSI_FEED
9
VCC
6
17
LIMIN
14
LIMOUT
11
LIM_DEC1
13
LIM_DEC2
12
MIXOUT
20
OSCIN
4
OSCOUT
3
QUADIN
AUDIOOUT
8
AUDIO_FEED
7
15
GND
IFAMPIN
18
IFAMPOUT
16
IFAMP_DEC1
19
IFAMP_DEC2
U3101
SA616
455KHz
Y3102
45B02
1.2KR3135
C3144
0.1uF
C3142
0.1uF
3
21
390
R3141
C3161
0.1uF
5V
C3143
120pF
1.8K
Q3141
R3142
C3139
0.1uF
0.1uF
C3141
0.1uF
C3140
R3146
680
C3146
4700pF
12K
R3147
0.1uF
C3147
DISCAUDIO_VHF_IF_1
RSSI_VHF_IF_1
DISCA
U
RSSI
.039uFC3137
0.1uF
C3155
0.1uF
C3132
10uF
C3134 0.1uF
51
R3130
5V
C3133
8.2K
R3133
10K
R3134
C3136
C3135
30pF
15K
33pF
R3132
C3131
1pF
NU
VHF (136–174 MHz) 1–25 W PCB 8471235L06 IF

Motorola Pro3100 Specifications

General

Brand	Motorola
Model	Pro3100
Category	Two-Way Radio
Language	English