Motorola GP344 Detailed Service Manual page 283

UHF1 PCB and Scematic Diagrams
C108
L105
100pF
390nH
CR101
L101 L102
19.61nH 19.61nH
C101
C102 C103
100pF
6.2pF 10pF
J101
RF_JACK
1
4
2
GND
3
C141
L116
NU
9.75nH
J102
ANTENNA_NUT
5
TAB5
2 4
TAB2 TAB4
1 3
TAB1 TAB3
H101 C140
HEATSINK
NU
1
POS
P100
E101
BEAD R102
0.1
UNSWB+
L107
C123
33.47nH
10uF
C172
0.1uF
C109
L106
100pF
7.66nH
Microstrip Microstrip
1
Q110
R175
6.2
2
C111 C112 C113
13pF 47pF 10pF
3
R176
6.2
L104
19.61nH
RX_IN
2 1
CR102
2 1
C104 C106 C107
6.2pF 4.7pF 3.3pF
3
R170
240
C175
20pF
R101
240
SH100
SH101
SHIELD SHIELD
1 1
UHF SHIELD PA SHIELD
C114
100pF
R106
10
R172
L108 L109 C121
200
11.03nH 100pF
4.22nH
Microstrip
C118
100pF
R103 C115 C116 C117 C120
43 30pF 10pF
15pF 33pF
TX_INJ
C151
100pF
R107
NU
C295
100pF
R111
20
R110 R112 C125
300 300 100pF
R104
2K
L113
5.6nH
R120
C119
0 C127
C169
100pF
1000pF
3.9pF
C171
R173 R171
100pF
1MEG NU
L115
390nH
UNSWB+
C160 L112
100pF 390nH
C130
C128
L160 100pF
.022uF
15.0nH
R108
NU
C152
C150
.022uF
.022uF
R161
200
GND4
U101 13
GND3
12
09Z67 GND2
5
CLK
GND1
C161 4
0.1uF
UNSWB+
DATA
C165
100pF
CSX
L114 C174
100pF
390nH
UNSWB+
C129
7.5pF
C166
R132
100pF
C131
470K
.022uF
1
RFIN
2
T1
3
CI
R109
4
U102
INT
200K
5
CJ H99S
6
C133
VL
1000pF
7
CL
8
C134 C135
GND1
3300pF .022uF
C138
100pF
UHF1 (403-470 MHz) Transmitter Schematic Diagram
3-25
UNSWB+
Q111
4 3
C105 C132
100pF 100pF
2
6 1
C122
100pF
R133
NU
24
VAR3
23
RX
22
NA
21
RS RESET
20
VAR1
C110
19
VLIM 100pF
18
VAR2
17
V5EXT 5V
C170
100pF
C126
0.1uF
CR105
1 C173
LM50
.022uF
R130
10K
2
VOUT
R131
10K
3
GND
8404077G05/G06/G07/G09