Motorola CP040 Detailed Service Manual page 212

3-44
TX_ENA
5T
C109
0.1uF
C100
820 mV (RF)
1500pF
TX_INJ
R101
18
R100 R102
300 300
C104
NU
VHF2 (146-174 MHz) Transmitter and Power Control Schematic Diagram PCB No. 8486342Z09-A
7.5 V
USWB+
R170
100K
7.5 V (RX)
2
0 V (TX)
0 V (RX)
3
3.3 V (TX)
1 1 Q170
R171 TP0101T
22K
3
C170
2 Q171
1500pF
DTC144EKA
0.1uF
R158
1.5K
C156
.01uF
5.8 V (Hi)
4.15 V (Lo) (TYP, TX)
8 2
TP150
1
1 3
4
U150-1
LM2904
2.6 V (Hi)
1.79 V (Lo) (TYP, TX)
PWR_SET
R162
10K
C158
1500pF
R110
820
R107
C111
C114 R106 L100 R111
150
NU 2.7K
1500pF 4.7K 560nH
L103
C102
1500 mV (RF)
0.1uF 30nH
4.9 V (TX)
L101
C103
1500pF 560nH
R105
1.2K
3 C105
NU
1
Q100
BFS540
L102
1.5 V (TX)
100nH 2
C171
R103
2.7pF 3.3K
R104 C101 C108
51 1500pF 0.1uF
SH100
SHIELD
1
0 V (RX)
6.78 V (TX)
C157
0.1uF
C154
1500pF
C155
R152
100K
1%
R153
C151
100K
1500pF
1%
C150
3 8 6
1500pF
Q150
1 7
5
R157 4
2
5.6K
R154
100K
U150-2
1%
LM2904 R155
C152 100K
1500pF 1%
C159 R156 C153
1500pF 330 0.47uF
C113 C115 C116
0.1uF
1500pF 1uF
L110 4.25 V (Hi)
560nH
3.1 V (Lo) (TYP, TX)
C110 C112 VR110
0.1uF 1500pF 5.6V
NU
DO NOT MEASURE
C118
2 3
C106 NU
1500pF
1100 mV (RF)
1 4
RFIN RFOUT
C117 D120
1000pF MA4PH261
C107
10pF
5
U110
RA07M1317M_VHF
0.9 V (TX)
0 V (RX)
C122
15pF
VHF 146-174 MHz Schematic Diagrams, Overlays, and Parts Lists (8486342Z09-A)
U151
57R01
R151
22
R150
0.1
C120
R120 1500pF
39
R121
39
1.7 V (TX)
R122
0 V (RX)
39
L120 C121
560nH 1500pF
C131 C133 C135
3.3pF 3.9pF
3.3pF
C137
200pF
L131 L132
L130
43.67nH 43.67nH 43.67nH
C130 C132 C134 C136
12pF 27pF 27pF 13pF
C140
13pF
RX_OUT
L121
C124
47nH
1500pF
D121
C123
BAR63-02W 15pF
C141
18pF
S1
S2
G1
G2
T1
T2
J140
M140
ANTENNA_NUT
1 3
TAB1 TAB3 NC
2 4
NC TAB2 TAB4 NC
L140
30.54nH