Nle4249E, Nle4250F Uhf Range 1 And 2 Rf Board Schematic Diagram, Sheet 1 Of 3 - Motorola ASTRO XTS 3000 Service Manual

TX_OUT
BUSS_01
BUSSBAR
C317
100pF
BAT_STATUS
1
J3-2
BUSS_02
BUSSBAR
RAW_1_B+ 1
J3-1
TP10
BUSS_03 TEST
C309
BUSSBAR
POINT C315 C512 VR1
.022uF
0.1uF
100pF 20V
1
GROUND
J3-3
J2
L128 L127 L126 R128
T_5V
11.03nH 11.03nH 11.03nH
47K
*C149*
*C148* C147 C153
*C151* *C150*
22pF
9.1pF 100pF 68pF
3pF 12pF
3.0 pF
L122
270nH
R101
Q111
10K
SW_B+
REG_5V
CLOCK D4
CLK_CLK
C3
DA_CE
CE
E2
EN_BIAS
D2
EN_ANT REF_DA
E4
DATA
DAT
RESET_1 D3
RESET
B1
R_T
BUSS_04
BUSSBAR
DA_CE
1
J1-7 7
TP12
TEST_POINT
BUSS_05
BUSSBAR
CLOCK
1
J1-10 10
TP11
TEST_POINT BUSS_06
BUSSBAR
CLOCK
L302
SPI_DATA
1 DATA
J1-17 17
390nH
C313 C314
100pF 100pF
C87
OMIT
100pF
R22
10K C86
68pF
R23
10K
*C1*
CR6 CR7 CR8
4.7pF
*L30*
8.67nH L32
*L34*
8.67nH
*L31*
11.03nH
8.67nH
*C3*
2.4pF
*C2*
2.4pF
OMIT
OMIT
RX_INJ
2A
32V
F1 E104
57R01
*U105*
R107
RF_OUTPUT
RF_INPUT
1
C120
OMIT 3.3uF 2.4K
C102 SHW5076
100pF
OMIT
OMIT
C308 C104 C103
.022uF 100pF 10uF
E101
57R01
C101 C107 C127
100pF 100pF 3.3uF
L102
270nH
OMIT
C109 C110
1uF 100pF
Q101
OMIT
C141 R112
100pF 1K
C504
*U102*
68pF
62U70
A3
SW1
B5
SW2
B2
C2
TX_DA
C1
RX_DA
C503
68pF
R115 R116
182K 130K
Q108
C13 C72
22uF 100pF
RX_5V
C15
68pF
U1
MX2070A
*C10*
CR9
*L6*
1 7
RF_IN
RF_OUT
39nH
1pF
3 9
ABP NC
5 10
AG2 NC1
*L35* L37
8.67nH 11.03nH
*C9*
*L7*
R36
1.2pF
33nH
68K
OMIT
7
R126 R127
51 30 U104
01J68 C132
8.2pF
5 2
RF_IN RF_OUT
C116
1.5pF
R130
OMIT
*C133*
3.3pF
0 L100
C105 270nH
100pF
OMIT
L103 C108 C106
270nH 100pF 4.7uF
Q110
OMIT
T_5V
RAWB+
U106
LP2951C
8 1
SW_B+ RX_5V
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
C126 C152 C112
6
3.3uF 0.1uF 5V_TAP 1uF
C502 C501
68pF 68pF
R113
C123
10K
0.1uF
C145
100pF
L123
220nH
R26
3.3K
*L8*
OMIT
47nH
*C4* *C5* C6 *C7*
*L9* *L10* L14
33nH 47nH
15pF 6.8pF 5.1pF 10pF 11.03nH
*C92*
C18 L11 L12 L13
*C19*
C11
1.5pF 11.03nH 27.42nH 19.61nH
1.5pF
.01uF
4.3pF
C88 *C89* *C90*
*C91*
R27
56pF 6.2pF 15pF 11pF
10

NLE4249E, NLE4250F UHF Range 1 and 2 RF Board Schematic Diagram, Sheet 1 of 3

13-24
57R01
E2
C137
C138
100pF
100pF
L121
L107
L108
C140 R125
150nH
150nH 4700pF
1MEG
CR108 CR109
270nH
L105
270nH
R110 R111
4.7K 1K
CR101
C119
100pF
CR103
R114 C121
100pF
15K
RAWB+
C146 C117
33pF 100pF
R102
OMIT 4.7K B2
BIAS_EN ANODE1
A4
CATH_2 TX_I1
*U101*
C4
ANODE2 SCC77858 TX_I2
E3
RF_DET BIAS_RT
A3
PA_BIAS INT_CAP2
E2
IN_CAP1 C_BIAS
B1
TEMP_SEN V_CTRL
C115
C111
50K
100pF
RT101 .047uF
L15
1
RFN IFN
4 3 15
11.03nH U002
RFP IFP
MX2072A
BBP
2
BDIV
*C93*
5 1 8
LOIN NC
NC1
5.1pF
C98
100pF C83 C85
*C94* *C99*
R7
100pF 10uF
12pF 11pF
100
BAT_STATUS
5 J1-5
BUSS_07
BUSSBAR
DIG_B+
1
15 J1-15
C310
4.7uF 20 J1-20
VR3
20V
GND
6 J1-6
GND
13 J1-13
GND
16 J1-16
GND
19 J1-19
GND
C135 C505 R131
22 J1-22
100pF 4700pF
1MEG
T_5V
C113
R106
3.3K 100pF
E4
D5
B5
C5 LOCK_DETECT
C3
D2
D1
R129
4.7K
CLOCK
DATA
RX_5V
C31
.01uF
IF_FREQ
T2
4 XFMR
6
10
12
5
13
C84 C82
.01uF .01uF
63B81086C70-0