Motorola Professional GP340 Service Manual page 287

Lowband PCB 8485658Z03 / Schematics
IF101
BATT_B+_4
IF104
CSX
IF105
DATA
IF106
CLK
24
VAR3
23
RX
22
IF107
NA
21
RESET RS
20
VAR1
19
VLIM
18
IF108
VAR2
17
5V_TX V5EXT
VR101
LM50 1
R116
2K
2
VOUT
C142
R117
.01uF
1MEG
3
C139
IF103
R115
TX_INJ
10 .01uF
R113
100
TP100
PB505
SWITCH
IF102
2
EMER
C149 VR102
.01uF 6.8V
C127
C129
10uF
.01uF
R114
470K
1
RFIN
2
T1
C137 1000pF
3
CI
4
U102 INT
5
H99S-4 CJ
6
VL
7 C138
CL C141
1000pF
8 C140
GND1
3300pF
.01uF
R112
C143
100
.01uF
R118
10
C133
R109
L108
1K
0.1uF 220nH
16 6
RFIN RFOUT1
1 7
VCNTRL RFOUT2
L109
14 2
VD1 VG1
220nH 11 3
G2 VG2
C135
C131 8
NC1
.01uF 1000pF 9
NC2
10
C134
NC3
R108
15
NC4
6.2K
.01uF
1
R102
0.075
C126
.01uF
E100
BEAD
C124
.01uF
R119
10
C108
1uF
L110
C128
0.1uF
R120 R103
L107
100 100
8nH L106
C123 C122 C121
R107
C125 510pF 510pF 200pF
D
470
0.1uF
C130
Q100
R104
S
10
1000pF
C148
C132 30pF
.01uF
M100
HEATSINK
R105 R106
POS
200 200
R110
10K
C136
R111
12K
.01uF
Designator
C103
C106
C107
C110
C111
C114
C115
C118
C119
C121
L100
L101
L102
L105
L106
L107
R101
51
C144 C114 C110
.01uF
L104
47pF
75pF
2.2uH
C146
L102
C145 .01uF
D100
L105 110nH 166nH
C118
C120 C119 .01uF
C115 C111
200pF 62pF
75pF
L103 20pF 82pF
750nH
SH100
C147 SHIELD
IF109
RX_IN
22pF
D101
4-11
R1 29.7 - 42 MHz R2 35 - 50 MHz
Part Number Value Part Number Value
2113740L25 20 pF 2113740L24 18 pF
2113740L37 62 pF 2113740L35 51 pF
2113740L39 75 pF 2113740L36 56 pF
2113740L34 47 pF 2113740L33 43 pF
2113740L40 82 pF 2113740L38 68 pF
2113740L39 75 pF 2113740L37 62 pF
2113740L25 20 pF 2113740L24 18 pF
2113740F48 75 pF 2113740F49 82 pF
2113740F46 62 pF 2113740F39 33 pF
2113740F58 200 pF 2113740F59 220 pF
2460591X13 125 nH 2460591X12 110 nH
2460591X08 166 nH 2460591X14
2460591X12 110 nH 2460591X16
2460591X13 125 nH 2460591X13 125 nH
2460591X10 50 nH 2460591X15 46 nH
2484562T03 8 nH 2484562T20 5 nH
C106
62pF
J101
L101
L100 RF_JACK
125nH
1
GND
2
C107 C103 4
20pF
75pF
3
T100
XFMR
3 4
2
1 5
J102
ANTENNA_NUT
3 1
TAB3 TAB1
4 2
TAB4 TAB2
D104
R121
R123
NU
M101
D102
NU
D103
NU
R122
R124
NU
NU
FL0830473A FL0830473-A
Lowband (30-50 MHz) Transmitter