Motorola CDM Series Detailed Service Manual page 275

UHF Band 1 (403–470 MHz) 1–25 W PCB 8485670Z03, Schematics, and Parts Lists
9V3_VHF_IF_1
9V3
G
9V3_VHF_IF_2
5V_VHF_IF_1
R3105
5V G
R3106
5V
27K
C3104
0.1uF
FL3101
12R16
IFIN_VHF_IF_1
C3100 C3103
3 6
IF
G IN OUT
0.75VDC
1000pF 33pF
L3101
620nH
C3101
C3102 R3101
2.2pF 12K
15pF
NU
L3100
620nH
NU
9V3
R3104
100
NU
5V
100
R3108 C3111
620 0.1uF
R3117
27K
C3110
C3116
R3107
6.8K 3VDC
27pF 0.1uF
C3112 FL3102
12R16
82pF
C3115
3 6
Q3101
IN OUT
22pF
R3102
R3111
10
12K
L3111 C3114
620nH 18pF
C3113
L3112
9.1pF
620nH
NU
Y3101
R3123
R3124
C3124
L3124
C3136
9V3
U3111-1
CFWC455G
14 FL3111
9180469V03
2 VDD 1 1 2
IN OUT
VSS
CNTL
7
9V3
9V3
R3114
U3111-2
100 CFWC455D
FL3112
14
NU
9180469V06
3.9VDC
R3115
VDD
3 4 1 2
IN OUT
390 VSS
CNTL
R3116
C3121 7
330
0.1uF
C3122
R3118
6.8K
.039uF
C3123
Q3102 3VDC .039uF
0.75VDC D3101
C3137
.039uF
5V
R3112
10
R3130
6
U3101
VCC
R3113 51 SA616
330 C3134
C3132 0.1uF
C3133
0.1uF 10uF
R3124
Y3101
*
* 45J84
44.395MHz
R3123 C3135
3 1
* OUT IN
33pF
C3131
C3124
R3132
1pF
15K
*
C3136 NU
*
L3124
*
R3134
10K
fundamental xtal 3rd overtone xtal
*
R3133
4880606B09 4802245J84 8.2K
0662057B47 0 NOTPLACED
NOTPLACED 0662057A49 1K
NOTPLACED 2113740L30 33pF
NOTPLACED 2462587N68 1uH
2113740L29 30pF 2113740F35 22pF
FL3115
CFWC455F
9180469V04
NU
1 2
IN OUT
9V3
CFUCJ455F
U3111-4 U3115-1
FL3113
14 14 14
9180468v04
11 VDD 10 2 VDD 1 1 2 11 VDD
IN OUT
VSS VSS VSS
CNTL CNTL CNTL
7 7 7
3
U3111-3 U3115-2 CFUCJ455D
14
FL3114
14 14
9180468V06
VDD VDD 8 VDD
8 9 3 4 1 2
IN OUT
VSS VSS VSS
CNTL CNTL CNTL
7
7 7
R3145
3.3K
C3148 C3145
R3144
220pF 0.1uF
2.4K
NU
Y3102
455KHz
1
R3135
3
C3142
1.2K
0.1uF
45B02
2
15
GND
C3144
0.1uF
5V
R3141 C3143
390 120pF
C3141
0.1uF
Q3141
C3139
0.1uF
R3142
C3140
1.8K
0.1uF
C3146
4700pF
R3146
680 R3147
12K
UHF Band 1 (403–470 MHz) 1–25 W IF
Section 5: 4-25
U3115-4
9V3
10
R3153
10K
Q3151
R3151
BWSELECT_VHF_IF_1
10K BWSELECT
G
U3115-3
C3151
.01uF
12.5kHz 0VDC
9 20/25kHz 5VDC
9V3
R3154
10K
Q3152
R3152
10K
C3152
.01uF
C3147
0.1uF
DISCAUDIO_VHF_IF_1
DISCAUDIO
G
RSSI
G
RSSI_VHF_IF_1
ZWG0130623-A
6881091C63-F