Motorola MTR2000 Manual page 39

VCO SELECT CIRCUITRY
8.7V 8.7V 8.7V
Q2701
R2701
470
R2702
470
R2706
6800 R2707
2700
A
R2708
2700
R2710
R2714
10K
Q2705
10K
BANDSHIFT
Q2704
R2716 R2717
2700 2700
+2.5 to +11 VDC
R2719
10
STEERING_LINE
C2712
.022
B
SUPPLY VOLTAGE FILTERING
Q2706
R2723 R2724
10V
0.0 10
R2725
270
R2727
10
C2727
47.0µF
C2724 C2726 C2728 C2729
10000pF 100µF 100µF 100µF
L2700
Q2700 R2700
1800nH
47
C2701
470pF
L2702 C2705
47pF
120nH
L2703
1800nH
D2702 D2703 D2704
E
L2707
R2718
1800nH
C2714 47
8.7V
470pF
C2718
27pF
L2708
120nH
L2709
C2725
1800nH
10000pF
D2707 D2708 D2709
C2702
LOW VCO
33pF
Q2702
C2730
1.5pF
L2711 R2709
R2712 C2708
D2701
20nH 470
R2711 330 470pF
C2707
470pF 27K
L2704
1800nH
C2715
22pF
HIGH VCO
Q2707
C2731
3.0pF
ignore
R2726
L2712
R2728 R2729 C2721
D2706 470
20nH
27K 330 470pF
C2720
470pF
L2710
1800nH
RECEIVER MODULE
MODEL TRD6431C/TRD6411C
8.7V 8.7V
C2700
470pF
R2703
L2701
470
1800nH
C2703 R2704
18.0pF
47K
D2700
35V
C2706
Q2703
2.4pF
C2709
R2713
18.0pF
1000
R2715 C2710
270 10000pF
BUFFER AMPS
L2705
68nH
8.7V
C2716
470pF
R2721 R2722
470 47K
D2705
C2717
18.0pF
C2719
35V
Q2708
2.4pF
R2730
1000
C2722
R2731 C2723
18.0pF
270 10000pF
8.7V
R2705 C2704
150 10000pF
SH2700
D
C2711
VCO_RF_OUT
470pF
R2720
C2713
150
2.2pF
SH2701
VCO
68P81094E11-D
Schematics (Sheet 15 of 27)
12/26/01