BBK DV727S, Service Manual, Page: 35 / 45

12
3
4
5
6
1
23
4
5
6
A B C D
E
F
A B C D E F
广东步步高电子工业有限公司AV厂
BBK
更改
数量
更改单号
签 名
日
期
设 计 审 核
批 准
第 5 张
共5 张
版次：
标准化
比例
质量
数量
2998S
B
板号：
DVI
,HDM
I
输出电原理图
2.0
1389B
+1392E
+
吸入式机芯
C4
6
C5
7
C6
8
C7
9
DVDD3
3
10
VCK
11
DVS
S
1
C0
2
C1
3
C2
4
C3
5
DVS
S
12
Y0
13
Y1
14
Y2
15
Y3
16
Y4
17
Y5
18
Y6
19
Y7
20
SSCK
21
SSD
22
DVDD18
23
PWDN
24
RST
25
CLK
26
INT
27
DVSS
28
A7/G PO0
29
A6/G PO1
30
TR AP2/GPO2
31
TR AP1/GPO3
32
TR AP0/GPO4
33
MSC K/G PO 5
34
MSD/GPO6
35
GPO7
36
GPO8
37
GPO9
38
GPO10
39
HTPL G
40
AV
SS
41
PLLC
0
42
PLLC
1
43
A
VDD
44
A
VDD
45
AV
SS
46
AV
SS
47
TC
K
-
48
TC
K
+
49
A
VDD
50
TX
0-
51
TX
0+
52
AV
SS
53
TX
1-
54
TX
1+
55
A
VDD
56
TX
2-
57
TX
2+
58
AV
SS
59
SW
IN
G
60
AVDD
61
VRE F
62
FS
63
AVSS
64
AVDD
65
AVSS
66
AVDD
67
G
68
AVSS
69
B
70
R
71
SPDIF
72
AD3
73
AD2
74
AD1
75
AD0
76
ACK
77
ABCK
78
AL RCK
79
DVDD18
80
U
203
M
T
1392E
L
717
FB
SM
T
DV3
3
C
744
104
C
745
104
SCL
SDA
PWDN#
URST #
XO#
92_INT0#
TRA P2
TRA P1
TRA P0
MSC K
MSD
V1
8
R
748
(DNS
)
R
749
(D
N
S)
GPO7
GPO9
GPO10
HPD
R
751
100R
R
750
100R
HS
YNC#
VS
YNC#
HG
ND
C
747
562
1392P
L
L
_A
VDD3
TX
C
-
TX
C
+
TX
0-
TX
0+
TX
1-
TX
1+
TX
2-
TX
2+
V1
8
SBCL K
SL RCK
SACL K
SDATA1
SDATA0
ASDAT3
SDATA2
YUV6
ASPDIF
YUV4
YUV5
HG
ND
1392_D
A
C
VDD3
R
723
510R
R
724
560R
V
R
E
F_1392
C
746
104
HG
ND
FS
_1392
1392_V
C
K
R
718
0R
DV3
3
VCK
R743 (DNS)
INT0#
DC/
N
C
1
RS
T
_/
N
C
2
WP
/R
ST
_
3
VS
S
4
VCC
8
RS
T
/W
P
7
SC
L
6
SD
A
5
U
204
A
T
24C
04
MS
D
MS
CK
C
730
104
DV3
3
R
716
680R
R
727
680R
C
731
101(D
N
S)
C
732
101(D
N
S)
DV3
3
1392_A
VDD3
C
740
104
C
742
104
C
743
104
HG
ND
TX
1O
+
TX
C
O
+
TX
2+
TX
2-
TX
0+
TX
0-
TX
C
+
TX
C
-
HDMI
_S
C
L
#
HDMI
_S
D
A
#
HDMI
_VCC
HP
D
L
715
FB
SM
T
C
736 104
VCC
T
C
702
220u
F/
16V
HG
ND
C
735
102
R
742
330R
TX
2O
+
TX
2O
-
TX
0O
+
TX
0O
-
TX
C
O
+
TX
C
O
-
C
733
101
C
734
101
HG
ND
HG
ND
HDMI
_S
D
A
HDMI
_S
C
L
R
726
0R
XO#
XO
R
747
(D
N
S)
R
746
(D
N
S)
R
745
(D
N
S)
R
744
(D
N
S)
DV3
3
HG
ND
D
203
1N
4148*
2
TX
1O
-
DV3
3
HG
ND
D
204
1N
4148*
2
DV3
3
HG
ND
D
207
1N
4148*
2
TX
C
O
-
DV3
3
HG
ND
D
208
1N
4148*
2
TX
0O
+
DV3
3
HG
ND
D
205
1N
4148*
2
TX
0O
-
DV3
3
HG
ND
D
206
1N
4148*
2
TX
2O
+
DV3
3
HG
ND
D
201
1N
4148*
2
TX
2O
-
DV3
3
HG
ND
D
202
1N
4148*
2
R
732
0R
R
736
0R
R
737
0R R
739
4.7R R
738
4.7R
R
730
1K
R
731
1K
HDMI
_VCC
RX2
-
1
RX2
+
2
SH
L
D
2/
4
3
RX4
-
4
RX4
+
5
+5
V
14
RX3
+
13
RX3
-
12
RX1
-
9
RX1
+
10
GN
D
15
A
V
SYNC
8
RX0
-
17
RX0
+
18
RX5
-
20
RX5
+
21
DDC_
D
A
T
7
DDC_
C
L
K
6
SH
L
D
C
22
SH
L
D
0/
5
19
RXC-
24
HP
D
16
SH
L
D
1/
3
11
RXC+
23
AR
E
D
C1
AGR
E
E
N
C2
AB
L
U
E
C3
A
H
SYNC
C4
AGN
D
C5
MH1
27
MH2
28
JK
704
DVI
-I
ROUT
#
G
OUT
#
BOUT
#
HG
ND
HG
ND
R
733
0R
TX
1+
TX
1-
TX
1O
+
TX
1O
-
R
734
0R
R
735
0R
HS
YNC#
VS
YNC#
YUV6
L
720
FB
SM
T
ROUT
#
YUV4
L
718
FB
SM
T
G
OUT
#
YUV5
L
719
FB
SM
T
BOUT
#
L
716
FB
SM
T
1392_D
A
C
VDD3
C
737
104
C
738
104
HG
ND
C
739
104
1392_A
VDD3
T
C
701
220u
F/
16V
DV3
3
C
748
104
C
749
104
C
750
104
C
751
104
HG
ND
HG
ND
HP
D_
IN
R
740
33R R
741
33R
2 3 4 1 5 6 8 9
10
7
11 12 14 15 16 13 17 18
20
21 22
19
23
JK
708
HDMI
-T
Y
PE
-A
TX
2+
TX
2-
TX
1+
TX
1-
TX
0+
TX
0-
TX
C
+
TX
C
-
HDMI
_S
C
L
HDMI
_S
D
A
HDMI
_VCC
HG
ND
R
754
1K
(DNS
)
C
752
102
T
X
2HO+
T
X
2HO-
T
X
1HO+
T
X
1HO-
T
X
0HO+
T
X
0HO-
T
X
CHO+
T
X
CHO-
R
707
0R
R
719
0R
R
720
0R
R
721
0R
R
722
0R
R
725
0R
R
728
4.7R
R
729
4.7R
HP
D_
IN
T
X
CHO+
DV3
3
HG
ND
D
221
1N
4148*
2
T
X
CHO-
DV3
3
HG
ND
D
222
1N
4148*
2
T
X
0HO+
DV3
3
HG
ND
D
219
1N
4148*
2
T
X
0HO-
DV3
3
HG
ND
D
220
1N
4148*
2
1392_V
C
K
T
X
1HO+
DV3
3
HG
ND
D
217
1N
4148*
2
T
X
1HO-
DV3
3
HG
ND
D
218
1N
4148*
2
T
X
2HO+
DV3
3
HG
ND
D
215
1N
4148*
2
T
X
2HO-
DV3
3
HG
ND
D
216
1N
4148*
2
1392_A
VDD3
L
721
FB
SM
T
1392P
L
L
_A
VDD3
HG
ND
R
755
1K
(D
N
S)
R
756
10K
L
724
FB
SM
T
92_D
V
33
R
258
0R
PW
DN#
PW
D
N
T
X
0HO+
T
X
0HO-
R
758
330R
T
X
1HO+
T
X
1HO-
R
759
330R
T
X
2HO+
T
X
2HO-
R
760
330R
T
X
CHO+
T
X
CHO-
R
761
330R
(D
N
S)
HDMI
_S
C
L
#
HDMI
_S
D
A
#
1 2 3 4
8 7 6 5
R
N
203
33R
1 2 3 4
8 7 6 5
R
N
204
33R
Y0 Y1 Y2 Y3
Y7 Y4 Y5 Y6
Y
0_IN
Y
1_IN
Y
2_IN
Y
3_IN
Y
4_IN
Y
5_IN
Y
6_IN
Y
7_IN
Y
0_IN
Y
1_IN
Y
2_IN
Y
3_IN
Y
4_IN
Y
5_IN
Y
6_IN
Y
7_IN
R757 (DNS)
C
753
104