A BOARD SCHEMATIC DIAGRAM (3 OF 4)
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8
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9
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10
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11
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12
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13
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14
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15
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A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
1
0
0
R546
R547
FB152
C156
C164
C165
C161
C162
C163
C166
C159
RB151
RB152
R172
C150
R540
R170
R160
R548
C157
R150
C158
C151
C167
R162
FB970
C971
R161
IC160
IC150
D532
D152
D109
Q160
S600
IC171
CN150
CN151
47*4
1/16W
:CHIP
47*4
1/16W
:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
10k
1/16W
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
0.1
25V
F:CHIP
10k
1/16W
:CHIP
4.7k
1/16W
:CHIP
4.7k
1/16W
:CHIP
1k
1/16W
:CHIP
100p
CH:CHIP
10k
1/16W
:CHIP
100p
CH:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
0
1/16W
:CHIP
15p
CH:CHIP
0
1/16W
:CHIP
ISPLSI2032VE-135
LJ44
LOGIC
AT82002159-0T1T
ASIC
ATMEL
RB731U-T108
RB731U-T108
RB731U-T108
POWER SW
LP3470M5X-4.38
RESET IC
9P
WHT
:FFC
9P
WHT
:FFC
+
R
+3.3V
EXTRW
XSMDET
S
M
C
L
K
SMIO
XRST
LNBPWR
LNBVAL
LNBLED
LNBPOL
XT
27MHZ
XCS1
XASICCS
EXTRW
XR
+5V
+
5
V
+3.3V
+3.3V
SCPW
XMODEMCS
XMODEMCS
EXTWR
XROMKILL
FSSENAB
FSSENAB
LNBFSSCLK
XFLASHRST
+3.3V
B_RW
XCS6
CLK40
XAC3CS
XCS5
+3.3V
XCS4
AC3ADDR1
AC3ADDR0
VFDALE
XVFDCS
XAUX_CS
XAUX_CS
XROMCS_A
XSMVCCSTOP
+3.3V
AMUTE
+5V
LRCLK_7100
SMVCCEN
SMVCCEN_OUT
SMRESET_OUT
SMRESET_OUT
SMRESET
EXTADDR5
EXTADDR6
EXTADDR4
5
V
D
A
T
A
9
5
V
D
A
T
A
1
0
5
V
D
A
T
A
1
1
EXTDATA15
EXTDATA7
EXTDATA14
EXTDATA6
EXTADDR7
5VDATA12
5VDATA13
5VDATA14
5VDATA15
5
V
D
A
T
A
8
E
X
T
A
D
D
R
0
E
X
T
A
D
D
R
1
EXTDATA0
E
X
T
A
D
D
R
2
1
E
X
T
A
D
D
R
2
4
*
BUFFER
VSS
EXTADDR4
EXTADDR5
EXTADDR6
EXTADDR7
EXTR/W
XSM_DETECT
SM_CLK
SM_RESET
MODEM_CS
SM_10
CLK_27M
XRESET
SW1
SC_CLK
VSS
V
D
D
S
C
_
R
S
T
S
L
I
N
K
_
O
U
T
L
N
B
_
V
A
L
I
D
L
N
B
_
L
E
D
L
N
B
_
P
O
L
L
N
B
_
P
W
R
U
P
_
S
W
R
I
G
H
T
_
S
W
M
E
N
U
_
S
W
E
X
I
T
_
S
W
L
E
F
T
_
S
W
D
O
W
N
_
S
W
S
E
L
E
C
T
_
S
W
P
O
W
E
R
_
S
W
5
V
D
A
T
A
0
5
V
D
A
T
A
8
5
V
D
A
T
A
1
5
V
D
A
T
A
9
5
V
D
A
T
A
2
5
V
D
A
T
A
1
0
5
V
D
A
T
A
3
5
V
D
A
T
A
1
1
V
S
S
VDD
5VDATA4
5VDATA12
5VDATA5
5VDATA13
5VDATA6
5VDATA14
5VDATA7
5VDATA15
TMR_LED
PWR_LED
XTV_DSS
RESET
ALE
XWR
XRD
XASIC_IRQ
XASIC_CS
EXTDATA15
EXTDATA7
EXTDATA14
VSS
V
D
D
V
S
S
_
E
X
T
V
D
D
_
E
X
T
E
X
T
D
A
T
A
1
3
E
X
T
D
A
T
A
5
E
X
T
D
A
T
A
1
2
E
X
T
D
A
T
A
4
E
X
T
D
A
T
A
1
1
V
S
S
_
E
X
I
T
E
X
T
D
A
T
A
3
E
X
T
D
A
T
A
1
0
E
X
T
D
A
T
A
2
V
D
D
_
E
X
I
T
E
X
T
D
A
T
A
9
E
X
T
D
A
T
A
1
E
X
T
D
A
T
A
8
V
S
S
_
D
A
T
A
E
X
T
D
A
T
A
0
E
X
T
A
R
R
D
0
E
X
T
A
D
D
R
1
E
X
T
A
D
D
R
2
E
X
T
A
D
D
R
3
V
D
D
_
E
X
T
V
S
S
_
E
X
T
V
D
D
EXTDATA6
VFD_BLANK
VCR_CLK/VFD_CLK
VCR_DATA/VFD_SERIAL_OUT
XVCR_IRQ/VFD_LATCH
SC_IO
NC
NC
VSS
ASICOE
V
C
R
_
V
F
D
S
W
GND
GND
EXIT
LEFT
MENU
DOWN
RIGHT
SELECT
UP
SCIO
SCRST
SCCLK
GND
GND
SCPW
TVDSSLED
G
N
D
G
O
E
0
XCS1
A0
XASICCS
LRCLK
VCC
XISPEN
TDI/IN
FSSENAB
XCS6
X
O
M
D
E
M
C
S
Q
0
B
_
R
W
A
C
3
_
A
1
A
C
3
_
A
0
E
X
T
R
W
G
N
D
T
D
O
/
I
N
E
X
T
W
R
X
R
O
M
K
I
L
L
ASICOE
CLK40
VCC
XRST/Y1
TMS
XAC3CS
A1
I/O
X
C
S
5
L
N
B
F
S
S
C
L
K
X
C
S
4
XVFDCS
XAUX_CS
V
F
D
A
L
E
XAUX_CS
XROMCS_B
X
R
O
M
C
S
_
A
A
2
1
A
2
4
SW1
NC
X
A
M
U
T
E
+5V
D
R
T
V
C
C
C
1
X
R
S
T
S
M
R
E
S
E
T
S
M
R
E
S
E
T
_
O
U
T
SVEN
SMVO
TO SC BOARD
CN951
TO HB BOARD
CN001
+5V
+3.3V
+5V
+3.3V
+5V
+5V
Summary of Contents for DirecTV SAN-18D3
Page 117: ...75 Other Information Notes ...
Page 122: ...Printed in USA ...