BBK DV118SI, Service Manual

Page: 36 / 43

Chapter Eight Circuit Diagram
8.1 Decode Board(SKY_CX2:03 2009.07.20)
- 31 -
D
R
A
M
I
/
F
S
-
F
L
A
S
H
A
U
D
I
O
I
/
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V
I
D
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0
C
D
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D
V
D
S
W
N
C
2
1
V
c
(
V
r
e
f
)
T
-
D
/
d
B
/
b
E
2
2
N
C
2
3
5
V
R
-
C
D
F
+
A
/
a
1
5
H
F
M
4 1
C
D
-
L
D
1
9
V
R
-
D
V
D
M
D
R
F
1
8
9 1
6
T
+
1
2
2
C
/
c
2
4
F
8
G
N
D
-
P
D
2
0
V
c
c
S
A
N
Y
O
H
D
8
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1
1
1
7
G
N
D
-
L
D
Ve
ry
Im
po
rta
nt
to
re
du
ce
N
oi
se
1
4
1
3
F
-
7 3
D
V
D
-
L
D
C
AS
#
R
AS
#
D
Q
M
[0
..1
]
M
A[
0.
.1
1]
D
C
LK
W
E#
D
Q
[0
..1
5]
BA
[0
..1
]
SF
_D
O
SF
_C
K
SF
_D
I
SF
_C
S
C
VB
S_
O
U
T
D
AC
VD
D
3
D
AC
VD
D
3
AD
AC
VD
D
V1
8
R
FV
18
-1
AP
LL
VD
D
3
R
FV
D
D
3
Tx
D
R
xD
SP
-
SP
+
SL
+
SL
-
LI
M
IT
SP
-A
89
L_
3V
3
VR
EF
G
PI
O
12
G
PI
O
11
G
PI
O
10
G
PI
O
8
G
PI
O
9
M
A3
M
A2
M
A1
BA
1
R
AS
#
BA
0
C
AS
#
W
E#
M
A6
M
A4
M
A5
M
A7
M
A8
M
A9
M
A1
1
DQ 8
DQ 10
DQ 9
DQ 11
DQ 13
DQ 12
DQ 14
DQ 15
DQ M0
DQ 5
DQ 6
DQ 7
DQ 4
DQ 1
DQ 2
DQ 3
DQ 0
UR ST#
IR
SF_ DI
SF_ CK
UP 1_7
SF_ DO
SF_ CS
UP 1_6
GPI O6
GPI O4
GPI O3
U
SB
_V
18
U
SB
_V
33
U
SB
_D
M
U
SB
_D
P
ST
BY
FO
O
TR
O
FM
O
D
M
O
AV
D
D
33
LD
O
2
V1
P4
V2
0
XO XI R
FV
18
-2
R
FV
D
D
3
OP-
138 9_O P+
D
AC
VD
D
3
FS
CV BS _O UT
DA CV DD 3
DA CV DD 3
V_R
V_G
V_B
G
PI
O
13
M
A0
M
A1
0
D
Q
M
1
D
C
LK
GPI O19
AA DV DD
AP LLV DD 3
AL
AR
RFV 18- 1
AD AC VD D
AR F
AR S
ALS
ALF
AS
PD
IF
AR AL V_
B
V_
R
V_
G
AR
F
AL
F
AR
S
AL
S
B A F
G
PI
O
10
Tx
D
G
PI
O
7
D
M
O
FM
SO
V1
P4
TR
O
O
OF
OS
OF
V1
P4
FM
O
R
FV
18
-2
V1
8
AA
D
VD
D
U
SB
_D
M
XO
GPI O21
GPI O20
XI
U
R
ST
#
TR
SO
M
D
I2
AK
IN
1
U
SB
_D
P
V2
0
M
D
I1
LD
O
1
C D E
F C T-
IO
A
B M
D
I1
IO
A
AV
C
C
1
F+
LD
O
1
A LD
-D
VD
F- V2
0
LD
-C
D
LD
O
2
E
D T+
FM
SO
TR
O
PE
N
SL
+
SP
-
FO
SO
F-
V1
P4 T+
TR
C
LO
SE
F+
SL
-
TR
SO
ST
BY
SP
+
LO
AD
-
T-
LO
AD
+
D
M
SO
LO
AD
+
LO
AD
-
TR
O
U
T
TR
IN
R
xD
G
PI
O
9
R
G
B_
SW
IT
C
H
FS
0
FS
1
VS
D
A
U
P1
_7
VS
C
K
U
P1
_6
VS
TB
G
PI
O
13
AV
C
C
U
SB
_V
33
U
SB
_V
18
AV
D
D
33
AD
VC
M
FG
G
PI
O
7
G
PI
O
8
G
PI
O
9
G
PI
O
10
SP
-A
O
P-
SP
-
O
PO
G
PI
O
20
AD
VC
M
AS
PD
IF
G
PI
O
12
G
PI
O
21
AK
IN
1
TR
IN
FG
G
PI
O
19
R
G
B_
SW
IT
C
H
G
PI
O
11
FS
0
VS
TB
IR
VF
D
VC
C
VS
D
A
D
M
SO
O
PO
13
89
_O
P+
G
PO
_B
G
PI
O
3
FS
1
IO
A
TR
O
PE
N
G
PO
_B
ES
OL
C
RT
6
OI
P
G
LI
M
IT
TR
O
U
T
G
PI
O
4
G
PI
O
10
SD
_D
0
G
PI
O
8
SD
_C
LK
M
S_
B
S
G
PI
O
7
M
S_
C
LK
G
PI
O
9
SD
_C
M
D
M
S_
D
0
VS
C
K
R
FO
RFO
FS
1
D
Q
[0
..1
5]
(4
)
M
A[
0.
.1
1]
(4
)
D
Q
M
[0
..1
]
(4
)
BA
[0
..1
]
(4
)
D
C
LK
(4
)
R
AS
#
(4
)
C
AS
#
(4
)
W
E#
(4
)
SF
_D
I
(4
)
SF
_C
K
(4
)
SF
_C
S
(4
)
SF
_D
O
(4
)
C
VB
S_
O
U
T
(6
)
AS
PD
IF
(6
)
AR
(5
)
AL
(5
)
V_
B
(6
)
V_
G
(6
)
V_
R
(6
)
AR
F
(5
)
AL
F
(5
)
AR
S
(5
)
AL
S
(5
)
U
SB
_D
M
(7
)
U
R
ST
#
(1
)
U
SB
_D
P
(7
)
FS
0
(5
)
FS
1
(5
)
R
G
B_
SW
IT
C
H
(5
)
AK
IN
1
(5
)
V1
8
89
L_
3V
3
V1
8
V1
8
89
L_
3V
3
89
L_
3V
3
D
V3
3
V1
8
89
L_
3V
3
89
L_
3V
3
R
FV
33
AV
C
C
AV
C
C
R
FV
33
PV
33
M
O
_V
C
C
M
O
_V
C
C
PV
18
VC
C
D
V3
3
VC
C
M
O
_V
C
C
AV
C
C
89
L_
3V
3
V1
8
89
L_
3V
3
D
V3
3
D
V3
3
D
V3
3
VC
C
R
17
10
0k
L1
7
10
uH
C
70
33
0p
F
+
C36 100 uF/ 6.3 v
L1
5
FB
L2
2
FB
R
19
0
C
45
0.
1u
F
C
28
10
0p
F
L1
8
10
uH
R
10
1k
C39 0.1 uF
C
N
6
5P
,2
m
m
1 2 3 4 5
C
N
3
6P
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m
m
1 2 3 4 5 6
C
58
4.
7u
F/
10
v
C
55
0.
1u
F
C
71
0.
1u
F
Q
3
2S
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01
8
1
3 2
+
C
27
10
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/1
6v
C
38
0.
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F
C
50
0.
1u
F
C16 1 1uF
C
65
10
uF
/1
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R
47
10
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13
2
1
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C
72
0.
01
5u
F
D
11
BA
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1 3
2
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15
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H
C
63
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1u
F
R
11
1
C
25
0.
1u
F
D
3
IN
54
01
1
2
R
24
10
C
35
68
00
pF
C
37
0.
1u
F
R
16
56
0
R
27
0
C
16
4
0.
1u
F
R
20
0
TO P
C
N
5
SM
D
24
P0
.5
m
m
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
R
9
1k
R
39
10
k
R
41
10
k
C
69
33
0p
F
R
18
10
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C
59
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F
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1
47
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4
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13
2
1
3 2
C
16
3
0.
1u
F
D
2
IN
54
01
1
2
C43 4.7 uF
R
3
10
C
47
10
uF
/1
0v
R
49
10
k
Q
1
2N
39
04
1
3 2
C
60
0.
1u
F
C
56
22
pF
R
13
4
10
k
U
2
AM
58
88
1 9 10 12 3 2
15
7 14 13
21 19 20 24 27
6 4 5
28
8 11
17 18 16 23 22 25 26
29
30
VI
N
FC
VO
TR
-
VO
TR
+
VO
SL
-
O
P2
IN
+
O
P2
IN
-
VO
TK
+
R
EV
VO
FC
+
VO
FC
-
PV
C
C
2
VC
C
2
O
P1
O
U
T
O
P1
IN
-
BI
AS
FW
D
VI
N
SL
O
P2
O
U
T
ST
BY
VC
C
VO
SL
+
VO
LD
+
VO
LD
-
VO
TK
-
VI
N
LD
PR
EG
N
D
O
P1
IN
+
VI
N
TK
G
1
G
2
+
C
32
47
0u
F/
6.
3v
R
28
27
k
R
22
5.
1k
C
N
8
6P
,2
m
m
1 2 3 4 5 6
R
48
10
k
R
8
1k
R
46
10
K
R
13
10
0k
Y1 27
M
H
z
M
T
1
3
8
9
L
/
K
L
Q
F
P
1
2
8
V
1
.
0
D
e
s
k
t
o
p
U
1
M
T1
38
9L
/K
/S
M
D
LQ
FP
12
8/
SM
D
/D
14
X1
4
5 6 7 8 9 10 11 12
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
36
37
38
39
40
41
42
43
44
45
46
47
48
49
51
52
53
50
55
56
57
54
58
59
61
62
63
60
64
65 66 67 69 70 94 90 93 92 91 89 88 84
13
35
86 79 85 83 82 81 80 78 77 76 75 74 68 73 72 71
4 3 2 1
128
127
126
125
124
123
118
117
116
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96 95 87
112
113
122
121
120
119
115
114
R
FE
R
FF
AV
D
D
18
AV
D
D
33
XT
AL
I
XT
AL
O
AG
N
D
V2
0
R
EX
T
M
D
I1
M
D
I2
LD
O
1
LD
O
2
AV
D
D
33
D
M
O
FM
O
TR
AY
_O
PE
N
TR
AY
_C
LO
SE
TR
O
FO
O
FG
/
G
PI
O
2
U
SB
_D
P
U
SB
_D
M
U
SB
_V
33
U
SB
_G
N
D
PA
D
_V
R
T
U
SB
_V
18
GP IO 3 / IN T#
GPI O4
SF_ CS _
SF_ DO
SF_ DI
SF_ CK
UP 1_6 / S CL
UP 1_7 / S DA
IC E
PR ST#
IR
RD 0
RD 1
RD 2
RD 3
RD 4
RD 5
RD 6
RD 7
DV DD 33
DQ M0
RD 15
RD 14
DV DD 18
RD 13
RD 12
RD 11
RD 10
RD 9
DV SS 33
RD 8
D
Q
M
1
R
C
LK
R
A1
1
R
A9
R
A8
G
PI
O
13
D
VD
D
18
SP
D
IF
/
G
PI
O
12
G
PI
O
11
G
PI
O
10
G
PI
O
9
G
PI
O
8
D
VD
D
33
V1
4
GPI O6
R
A3
D
VS
S1
8
R
A2
R
A1
R
A0
R
A1
0
BA
1
BA
0
R
AS
#
C
AS
#
R
W
E#
R
A4
D
VD
D
33
R
A5
R
A6
R
A7
R
FD
R
FC
R
FB
R
FA
RFH / O PIN N
RFG / OP IN P
RFI N / OP OU T
RFI P
AG ND 18
AV DD 18
AL / G PIO 1
AV CM
AR / G PIO 0
AP LLC AP
AP LLV DD
AA DV DD
AK IN 1 / GP IO 21 / A udi o_M ute
AD VC M / GP IO 20
AK IN 2 / GP IO 19 / A udi o_M ute
AA DV SS
R
B
G
DA CV DD A
DA CV DD B
CV BS
DA CV SS C
FS
VR
EF
D
AC
VD
D
C
G
PI
O
7
/ C
KE
AD AC VS S2
AD AC VS S1
AD AC VD D2
AD AC VD D1
ALF / G PIO
ALS / G PIO
AR S / GP IO
AR F / GP IO
C
22
0.
1u
F
C
61
10
uF
/1
0v
C
73
0.
1u
C
74
0.
1u
F
L1
6
FB
C
49
0.
1u
F
C
52
0.
1u
F
L9
FB
L2
0
FB
R
14
10
k
C
30
0.
1u
F
+
C
33
47
uF
/6
.3
v
C48 150 0pF
L1
2
FB
R
32
10
k
C
46
0.
1u
F
C
53
0.
1u
F
C
23
0.
1u
F
R
13
6
10
k
Q
6
85
50 1
2
3
+
C
67
47
uF
/6
.3
v
R
15
10
k
+
C40 470 uF/ 10v
R
26
27
k
Q
7
85
50 1
2
3
R
36
20
.0
k
R
5
10
R
30
15
k
R
44
12
k
C
29
0.
1u
F
+
C
34
47
uF
/6
.3
v
R
23
10
C
51
0.
1u
F
C16 2 220 pF
R
37
4.
7k
+
C
75
47
u
C
31
0.
1u
F
C
76
0.
1u
L1
0
FB
R
21
15
k
R
45
10
k
L1
4
15
0u
H
C
66
0.
1u
F
C
N
4
4P
,2
m
m
1 2 3 4
C
N
2
7P
,2
m
m
1 2 3 4 5 6 7
+
C
64
47
uF
/6
.3
v
Q
2
2S
K3
01
8
1
3 2
C41 0.1 uF
L1
9
FB
C
57
22
pF
C
24
4.
7u
F
+
C
21
10
0u
F/
10
v
+
C
54
10
0u
F/
10
v
C
44
0.
1u
F
C42 10u F/1 0v
L2
1
FB
L1
3
FB