Motorola 6864115B62-C Detailed Service Manual page 440

4-68
R1119
27K
C1121
R1116
6.8K 0.1uF
FN0:NP
FN0:NP
0.78 V
PREAMP_IN
C1151
R1115
150pF
12K
FN0:NP
LB3 (42.0-50.0 MHz) - IF sheet 2 of 2
U1101-3
MC74HC4066
8 VDD
VSS
CNTL
R1124
0
FN0:NP
U1101-4
9V3
MC74HC4066
11 VDD
R1118
2K
VSS
CNTL
C1124
R1117 0.1uF
330
3.10 V
C1123 C1136
-20 dBm
33pF 0.1uF
C1135
Q1106
C1122 L1109
0.1uF
L1112
6.8uH
62pF
6.8uH
FN0:NP
FN0:NP
0.025 V
D1101
3
R1138
10
5V
1 2
R1120
51
C1126
C1127
10uF
0.1uF
C1130
C1129
C1131
68pF
1.5pF
22pF
FN0:NP
+13 dBm
1
Y1101
10.245
08W08
2
FL1104
CFUCJ455F U1101-2 U1102-3 CFWC455F
1 IN OUT 2 MC74HC4066 MC74HC4066 1 IN
9 4 VDD 3 8 VDD 9
VSS VSS
CNTL CNTL
R1125 R1126
0 0
FN0:NP FN0:NP
FL1105 FL1107
CFUCJ455E U1101-1 CFWC455E
U1102-4
MC74HC4066
1 IN OUT 2 MC74HC4066 1 IN
10 1 VDD 2 11 VDD 10
VSS VSS
CNTL CNTL
C1125
Y1102
45B02
R1123
.039uF
455KHz
1.2K
U1103
6 15 C1133 C1137
VCC SA616 GND
0.1uF
120pF
C1128
0.1uF
R1132
2.4K
R1122 C1141 R1133 C1134
10K
0.1uF 3.3K 0.1uF
R1131 R1121
15K 8.2K
C1143
C1142 0.1uF
0.1uF
R1137
R1139
12K
2.7
RSSI_IF_1
RSSI
R1136
DISCAUDIO
680 120 mV rms
DISCAUDIO_IF_1
C1148 C1145
4700pF
0.1uF
LB Range3, 25-60W PCB 8486908Z02 / Schematics
WARIS Mobile Low Band
Range 1/2/3 (29.7-36.0/36-42/
42-50 MHz) IF Sheet 2 of 2
ILLUSTRATOR
JP
EDITOR
LR
LETTERING SIZE:
REQUIRES:
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 BWSELECT_IF_1
10K
C1140
.01uF
1
3
2
C1138
0.1uF
MEDIA & COMMUNICATIONS DEPT.
DWG. NO.
FL0830691
DATE ENGINEER DATE PROGRAM DISK CHECK
3/28/01 ONE
Illustrator
( )
O.K. AS IS
DATE CHECKER DATE CORRECTED
AS O.K. AS MARKED ( )
MARKED
ISS. REVISION RLSE. RLSE.
O
5V (20KHz, 30KHz)
0V (12.5KHz)
BWSELECT
FL0830691O