Motorola 6864115B62-C Detailed Service Manual page 410

4-38
9V3
R1118
2K
C1124
R1117 0.1uF
330
R1119
27K
3.10 V
C1121
R1116
C1123
0.1uF
6.8K
-20 dBm
FN0:NP
FN0:NP 33pF
0.78 V
Q1106
PREAMP_IN
C1122
62pF
FN0:NP
0.025 V
C1151
R1115
150pF
12K R1138
FN0:NP
10
LB3 (42.0-50.0 MHz) IF Sheet 2 of 2
FL1104
U1101-3 CFUCJ455F
MC74HC4066 1 IN
8 VDD 9
VSS
CNTL
R1124
0
FN0:NP
FL1105
U1101-4 CFUCJ455E
MC74HC4066
1 IN
11 VDD 10
VSS
CNTL
C1136
0.1uF
C1135
L1109
0.1uF
L1112
6.8uH
6.8uH
FN0:NP
3 D1101
C1125
5V
.039uF
1 2
R1120
51
6
C1126
C1128
C1127
10uF
0.1uF
0.1uF
C1130
C1129
C1131
R1131 R1121
68pF
1.5pF 15K 8.2K
22pF
FN0:NP
+13 dBm
R1139
1
Y1101 2.7
10.245
08W08
2
CFWC455F
U1101-2 U1102-3
MC74HC4066 MC74HC4066
OUT 2 1 IN
4 VDD 3 8 VDD 9
VSS VSS
CNTL CNTL
R1125 R1126
0 0
FN0:NP FN0:NP
FL1107
U1101-1
CFWC455E
U1102-4
MC74HC4066
OUT 2 MC74HC4066 1 IN
1 VDD 2 11 VDD 10
VSS VSS
CNTL CNTL
Y1102
45B02
R1123
455KHz
1.2K
U1103
15 C1133
C1137
VCC SA616 GND
0.1uF
120pF
R1132
2.4K
R1122
C1141 R1133 C1134
10K
0.1uF 3.3K 0.1uF
C1143
0.1uF
C1142
0.1uF
R1137
12K
RSSI_IF_1
RSSI
R1136
DISCAUDIO
680 120 mV rms
DISCAUDIO_IF_1
C1148 C1145
0.1uF 4700pF
LB Range3, 25-60W PCB 8485908Z03 / Schematics
5V
5V
FL1106
U1102-2
MC74HC4066
OUT 2
VDD
4 3
VSS
CNTL
R1129
10K
Q1105
R1128
47K
10K
47K
C1139
R1127
.01uF
0
FN0:NP
U1102-1
MC74HC4066
OUT 2
1 VDD 2
VSS
CNTL
R1130
10K
C1140
.01uF
1
3
2
C1138
0.1uF
5V (20KHz, 30KHz)
0V (12.5KHz)
BWSELECT_IF_1
BWSELECT
FL0830691-O