Figure 7-84. Hue4040A Frequency Generation Unit - Motorola ASTRO XTL 1500 Detailed Service Manual

7-112
3.0 Volt Regulator
F3.0v
5V_Reg
U5750
3
L5751 VEN
VOUT 5
1
VIN
4
560nH
BYPASS
5V_Reg A
GND
C5752
C5750 C5757
2
C5754
5V_Reg 0.1uF 1uF 1uF
.01uF
C5815
220pF
NU
TP5787
CLOCK
TP5788
R5750
SPI_CLK
1K
R5751
DATA
10K
TP5789
SPI_DATA
Syn_Sel
TP5790
SYN_SEL
16_8_CONT
16_8MHz
TP5792
MOD_IN
FS_3
FS_2
DOUTA_2
DOUTA_3
CLKOUT_2
CLKOUT_3
PE_3
PE_2
PD_3
PD_2
PC_2
PC_3
F9.3V
L5750
560nH
9.3V_1
C5751 C5753 C5755
C5756
.022uF 0.1uF 10uF 39pF
9.3V_2

Figure 7-84. HUE4040A Frequency Generation Unit

June 15, 2005
F3.0v
L5754
C5761
C5817 L5752
2.2uH
.01uF
2.2uH
220pF C5765
C5758
0.1uF
R5766
0.1uF
100K
R5761
Y5750
100K
U5751
4 16.8MHz 5
VDD VCC
C5760
R5763 L5753
1 3 2 4
VCONT FOUT
1uH
1K
1
1000pF
GND NC NC
GND
2 3
R5762
100K
C5767
R5768
C5763 100
TP5791 1000pF
33pF
R5755
0
R5758 R5787
3.3K
R5754 R5764
220K
C5764
47K 47K
39pF
R5765
R5753
5.1K 5.1K
Q5750
Q5751
C5759 C5762 Q5752
0.33uF 0.33uF
R5752 R5767
47K 47K
C5766
R5759
2K
10uF
Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
5V_Reg
C5816
220pF
C5775
0.1uF D5750
NC
4 K1 3
A1
C5776 K2 2
5
A2
K3 1
6
A3
F3.0v F3.0v
0.1uF
C5777
C5768
L5755
L5756
100pF D5751
2.2uH 2.2uH
0.1uF
4 A1
K1
C5778 5 A2
K2 1
6 A3
C5773 K3
0.1uF
0.1uF
F3.0v
C5771
0.1uF
XTAL1 23
C5774
XTAL2 24
NC
8 FREFOUT 19
CLK NC
22pF
9 MODOUT 41
CEX
R5773
R5771
10 VMULT1 15 150
MODIN NC
150
7 VMULT2 14
DATA NC
30
VMULT3 12
SFIN U5752
VMULT4 11
35
NC PVREF
21 AUX1 48
NC VBPASS
AUX2 1
40 AUX3 2
BIAS1
39 AUX4 3
BIAS2
C5813
L5760
26 TEST1 37
SFCAP NC
TP5760
27 TEST2 38
SFBASE NC
12uH
470pF
32
PREIN R5775
IOUT 43
C5770
NC 18 IADAPT 45
REFSEL
100
NC 42 4
10uF CCOMP LOCK
C5781 C5783
ADAPTSW 46 R5772
NC 17 SFOUT 28
NC1
.047uF 0.1uF
750
NC 29 INDMULT 16
NC2 NC
NC 31 WARP 25
NC3
R5769
0 C5779
R5774
82
.0015uF
C5780
C5782 C5784 C5785
R5770
1.8K .0015uF
C5769 C5772 0.1uF 0.1uF 0.1uF
NU
0.1uF 0.1uF
NC
C5788
4.7uF
3
2 C5789
4.7uF
F3.0v
C5793
0.1uF E6750
16
VCC 13
R5776 X0
6 EN 14
X1
U5753
15
X2
1K
11 A 12
X3
10 X4 1
B
9 X5 5
C
F3.0v X6 2
TP5793
3 X
X7 4
VEE GND
TP5794 R5777
7 8
1K
TP5795
C5786 C5790
0.1uF .022uF
TP5796
TP5797
TP5783
L5757 C5796
C5787 C5791 C5792 C5809 C5810 C5811 C5812
10nH
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
220pF
C5794
C5795
10pF
10pF
Q5706
C5803
4.7K
TX_High_Switch
330pF
NC
R5782
47K
Q5707
C5804
4.7K TX_Low_Switch
330pF
NC
R5783
47K
Q5708
C5805
4.7K RX_High_Switch
330pF
NC
R5784
47K
Q5709
C5806
4.7K RX_Mid_Switch
330pF
NC
R5785
47K
Q5710
C5807
4.7K RX_Low_Switch
330pF
NC
R5786
47K
Steer_Line
RX_Inj_SW RX_Inj_SW
TX_INJ TX_INJ
C5797
L5758
RX_Inj
RX_Inj
1uH
10uF
R5788
C5798
51
Feedback
100pF
C5808
R5778
820
1pF
R5779
NU
12K
C5799 L5759 TP5798
Q5755
8.2nH
220pF
C5801
C5800
R5780
2.7K 10pF
10pF
Lock_Det
TP5799
6815854H01-A