Motorola CDM Series Detailed Service Manual page 323

UHF Band 2 (450–512/527 MHz) 1–25 W PCB 8485671Z03, 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
ZMY0130673-A
9V3
R3104
100
NU
5V
100
R3108
C3111
620 0.1uF
R3117
27K
C3110
C3116
R3107
3VDC
6.8K 27pF 0.1uF
C3112 FL3102
82pF 12R16
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
CFWC455D
100
14 FL3112
NU
9180469V06
3.9VDC
R3115
3 VDD 4 1 2
IN OUT
VSS
390
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
0.1uF
C3132 C3133
0.1uF
10uF
R3124
Y3101
* * 45J84
44.395MHz
C3135
R3123
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
14 14 FL3114
9180468V06
8 VDD 9 3 VDD 4 1 2 8 VDD
IN OUT
VSS VSS VSS
CNTL CNTL CNTL
7
7
7
R3145
3.3K
R3144 C3148 C3145
0.1uF
220pF
2.4K
NU
Y3102
455KHz
R3135 1
3
C3142
1.2K
0.1uF
45B02
2
15
GND
C3144
0.1uF
5V
C3143
R3141
390 120pF
C3141
0.1uF
Q3141
C3139
0.1uF
R3142
C3140
1.8K
0.1uF
C3146
4700pF
R3146
680 R3147
12K
UHF Band 2 (450–512/527 MHz) 1–25 W IF
Section 6: 4-9
U3115-4
9V3
10
R3153
10K
Q3151
R3151
BWSELECT_VHF_IF_1
10K BWSELECT
G
U3115-3
C3151
.01uF
12.5kHz 0VDC
20/25kHz 5VDC
9 9V3
R3154
10K
Q3152
R3152
10K
C3152
.01uF
C3147
0.1uF
DISCAUDIO_VHF_IF_1
DISCAUDIO
G
RSSI
G
RSSI_VHF_IF_1
6881091C63-F