Figure 7-54. Hue4039A Frequency Generation Unit - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4039A (UHF Range 1) Main Board
F3.0v
5V_Reg
3.0 Volt Regulator
U5750
3
L5751 VEN
1 5
VIN VOUT
C5817
4
560nH
BYPASS
A
220pF
GND
C5757
C5750 C5752
2
C5754
0.1uF 1uF
1uF
.01uF
F3.0v
5V_Reg
L5752
2.2uH
5V_Reg C5758
C5815
220pF
0.1uF
NU
TP5788
Y5750
16.8MHz
4
R5750
TP5787
VDD
1K
1 3
CLOCK
VCONT FOUT
SPI_CLK
GND
R5751
2
10K
Y05751
TP5789
NU
4 16.8MHz
DATA VCC
1 3
VCON
SPI_DATA OUT
GND
TP5790
2
Syn_Sel
SYN_SEL
16_8_CONT
16_8MHz TP5792
MOD_IN
FS_ 3
FS_2
R5754
DOUTA_3
47K
DOUTA_2
R5753
5.1K
CLKOUT_3
CLKOUT_2
Q5750
C5759
PE_3
0.1uF
PE_2
R5752
PD_3
PD_2
47K
PC_3
PC_2
F9.3V
L5750
560nH
9.3V_1
C5751 C5753 C5756
C5755
.022uF 0.1uF 39pF
10uF
9.3V_2
6815854H01-A
L5754
C5761
.01uF 2.2uH
C5765
0.1uF
R5766
100K
R5761
100K
5 U5751
VCC
C5760
R5763
L5753
2 4
1uH
1K
1000pF 1
NC NC C5768
GND
3
100pF
R5762
100K
C5767
R5768
C5763 100 1000pF
TP5791
33pF
R5755
0
R5758
3.3K
R5764
C5764 C5770
47K
39pF 10uF
R5765
5.1K
Q5751
C5762
0.1uF
Q5752
R5767
47K
C5766 C5769
R5759
2K
10uF
0.1uF
5V_Reg
C5816
220pF
C5775
0.1uF
D5750
NC
4
A1
5
C5776
A2
6
A3
F3.0V
F3.0V
0.1uF
C5777
L5755 L5756
2.2uH
2.2uH D5751
0.1uF
4
A1
5
C5778
A2
6
A3
C5773
0.1uF
0.1uF
F3.0V
C5771
0.1uF
23
XTAL1
24 C5774
XTAL2 NC
19
8
CLK FREFOUT NC
41 22pF
9 CEX
MODOUT
R5773
R5771
15
10 MODIN 150
VMULT1 NC 150
14
7 DATA
VMULT2 NC
12
30 SFI N
VMULT3
11
VMULT4
U5752
35 PVREF
NC
48
21 VBPASS
NC AUX1
1
AUX2
2
40 BIAS1
AUX3
3
39 BIAS2
AUX4
C5813
L5760
37
26 SFCAP
TEST1 NC
TP5760
27 SFBASE 38
TEST2 NC
12uH
470pF
32
PREIN
43
IOUT
18 REFSEL 45
NC IADAPT
42 CCOMP 4
NC LOCK
C5781
46 R5772 C5783
ADAPTSW
750
17 NC1 28
0.1uF
NC SFOUT .047uF
29 NC2 16
NC INDMULT NC
31 NC3 25
NC WARP
R5769
0
C5779 R5774
82
.0015uF
C5780
C5785
C5782 C5784
R5770
.0015uF
1.8K
C5772 0.1uF 0.1uF
0.1uF
NU
0.1uF
R5782
47K
R5783
47K
3
K1 NC
2
K2
1
K3
C5788
R5784
4.7uF
47K
3
K1
2 C5789
K2
1
K3
4.7uF
R5785
47K
F3.0v
C5793
0.1uF
E6750
R5786
47K
16
13
R5776
X0
6 14
EN X1
15
1K
X2
11 12
A X3
1
10
U5753
B X4
9 C 5
X5
2
F3.0V
X6
TP5793
3 4
X X7
R5777
TP5794
7 8
1K
TP5795
R5775
100
C5790
C5786
0.1uF .022uF
TP5796
TP5783
TP5797
C5796
L5757
C5791 C5792
C5787 C5809 C5810 C5811 C5812
0.1uF 15.0nH
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
220pF
C5794
C5795
10pF 10pF

Figure 7-54. HUE4039A Frequency Generation Unit

7-71
Q5706
TX_Low_Switch
G
4.7K
C5803
330pF
NC
Q5707
TX_High_Switch
G
4.7K
C5804
330pF
NC
Q5708
RX_Low_Switch
G
4.7K
C5805
330pF
NC
Q5709
RX_Mid_Switch
G
4.7K
C5806
330pF
NC
Q5710
RX_High_Switch
G
4.7K
C5807
330pF
NC
Steer_Line
G
G RX_Inj_SW
RX_Inj_SW
L5758 TX_INJ
C5797 G
1uH TX_INJ
10uF
RX_Inj
RX_Inj
C5798
C5802 Feedback
100pF
R5778
220pF
R5781
820
R5779 180
NU
12K
C5799 TP5798
L5759
Q5755 15.0nH
220pF
C5801
R5780
C5808
C5800
10pF
2.7K
10pF
6.8pF
NU
Lock_Det
TP5799
June 15, 2005