
7-48
Schematics, Component Location Diagrams, and Parts Lists:
HUD4022A (VHF) Main Board
June 15, 2005
6815854H01-A
Figure 7-40. HUD4022A SB9600 Schematic
BUFFER SUPPLY
BUFFER SUPPLY
Patriot UART B
Connector IF
NP
NAND SUPPLY
NAND SUPPLY
BUFFER SUPPLY
BUFFER SUPPLY
73D02970C73-O
SHEET 18 OF 23
0.1uF
MC33202
U0609
MC74VHC1G00
4
2
100K
1
R0634
U0607
NC7ST08
2
4
2
1
U0602
MC74LCX125
3
1
UCTS2
Q0612
URTS2
LHRST_OUT
LHRST_IN
BUSY
BUSY
SB96_RS232*_EN
UTXD2
URXD2
BUS+
BUS-
LH_RESET
100
R0623
R0620
100
R0622
100
100
R0621
Q0610
U0610
MC74VHC1G00
VCC5
4
1
2
SB96_RS232*_EN_INV
SB96_RS232*_EN_INV
MC74LCX125
6
4
5
U0602
Q0613
VCC5
10K
R0639
VCC5
VCC5
Q0611
10K
R0625
10K
R0629
4
8
C0600
BUSY*
BUS+*
BUS-*
LH_RESET*
100K
R0626
BUS+_UARTB_TXD
BUS-_UARTB_RXD
BUSY_UARTB_RTS
RESET_UARTB_CTS
8
10
9
MC74LCX125
VCC2.85
MC74LCX125
U0602
11
13
12
U0602
VCC2.85
U0603
PWR_GND
10K
SN74CBT3257
U0606
0.1uF
R0636
100K
C0614
0.1uF
PWR_GND
U0602
GND
7
VCC
14
100K
R0635
100K
R0627
100K
R0630
PWR_GND
U0607
GND
3
100pF
R0628
PWR_GND
U0609
GND
3
VCC
5
100
R0624
1
3
2
U0604
10K
SB96_RS232*_EN_INV
C0616
0.1uF
C0604
PWR_GND
U0610
GND
3
VCC
5
VCC5
R0632
VCC2.85
VCC5
R0631
0
VCC2.85
VCC2.85
0
C0603
0.1uF
0.1uF
C0610
0.1uF
C0611
1
2
4
VCC
5
U0608
NC7ST08
VCC
5
PWR_GND
U0608
GND
3
U0603
MC74LCX125
5
4
6
R0638
MC74LCX125
U0603
2
1
3
YB
7
YC
9
YD
12
VCC5
C0606
I0D
14
I1A
3
I1B
6
I1C
10
I1D
13
SELECT
1
VCC
16
YA
4
EN_OE
15
GND
8
I0A
2
I0B
5
I0C
11
7
GND
14
VCC
VCC2.85
0.1uF
C0613
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
Summary of Contents for XTL 1500
Page 1: ......
Page 5: ...iv June 15 2005 6815854H01 A This page is intentionally left blank ...
Page 19: ...xviii List of Figures June 15 2005 6815854H01 A This page is intentionally left blank ...
Page 25: ...June 15 2005 6815854H01 A xxiv CommercialWarranty Notes ...
Page 35: ...June 15 2005 6815854H01 A xxxiv Model Numbering Charts and Specifications Notes ...
Page 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Page 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Page 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Page 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Page 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
Page 451: ...Index x June 15 2005 6815854H01 A This page is intentionally left blank ...