Motorola 6864115B62-C Detailed Service Manual page 384

4-12
9V3
R1118
2K
R1117
330
R1119
27K
3.10 V
C1121
R1116
0.1uF
6.8K
-20 dBm
FN0:NP
FN0:NP
0.78 V
Q1106
PREAMP_IN
0.025 V
C1151
R1115
150pF
12K
R1138
FN0:NP
10
LB1 (29.7-36.0 MHz) IF Sheet 2 of 2
U1101-3
MC74HC4066
8 VDD 9
VSS
CNTL
R1124
0
FN0:NP
U1101-4
MC74HC4066
11 VDD 10
VSS
CNTL
C1124
0.1uF
C1123 C1136
33pF
0.1uF
C1135
C1122 L1109
0.1uF
L1112
6.8uH
62pF
6.8uH
FN0:NP
FN0:NP
D1101
3
5V
1 2
R1120
51
C1126
C1127
10uF
0.1uF
C1129 C1130
C1131
R1131
68pF
1.5pF 15K
22pF
FN0:NP
+13 dBm
1
Y1101
10.245
08W08
2
FL1104
CFUCJ455F U1102-3
U1101-2
MC74HC4066 MC74HC4066
1 IN OUT 2
4 VDD 3 8 VDD 9
VSS VSS
CNTL CNTL
R1125 R1126
0 0
FN0:NP FN0:NP
FL1105
CFUCJ455E U1101-1
U1102-4
MC74HC4066
1 IN OUT 2
MC74HC4066
1 VDD 2 11 VDD 10
VSS VSS
CNTL CNTL
C1125
R1123
.039uF
1.2K
U1103
6 15 C1133
C1137
VCC GND
SA616
0.1uF 120pF
C1128
0.1uF
R1132
2.4K
R1122 R1133
C1141 C1134
10K
3.3K
0.1uF 0.1uF
R1121
8.2K
C1143
0.1uF
C1142
0.1uF
R1137
R1139
12K
2.7
RSSI_IF_1
R1136
680
DISCAUDIO_IF_1
C1148 C1145
4700pF
0.1uF
LB Range1, 25-60W PCB 8486206B06 / Schematics
5V
FL1106
CFWC455F U1102-2
MC74HC4066
1 IN OUT 2
VDD
4 3
VSS
CNTL
R1129
10K
Q1105
R1128
10K
47K
C1139
R1127
.01uF
0
FN0:NP
FL1107
U1102-1
CFWC455E MC74HC4066
1 IN OUT 2
1 VDD 2
VSS
CNTL
R1130
C1140
.01uF
1
Y1102
3
45B02
455KHz
2
C1138
0.1uF
RSSI
DISCAUDIO
120 mV rms
5V
47K
5V (20KHz, 30KHz)
0V (12.5KHz)
BWSELECT_IF_1
BWSELECT
10K
FL0830691-O