68
KVT-817DVD/827DVD/827DVDY
KVT-837DVD/847DVD/867DVD
Q400
CN470
D402
Q401
D400
D401
Q831
Q830
Q771
Q772
MUTE
SYNC SEPARATOR
SRAM
DGND
2.2K
10K
R475
R476
1
VCC
TP400
C408
4.7
R414
470
to CN908-2
MIX-R
R415
10
R412
22K
AGND
R413
1.8K
R416
22K
R418
1.8K
C410
4.7
R417
470
C409
100P
C411
100P
to CN908-1
MIX-L
R419
10
30-2
0-132
00-42
42
132
DGND
R857
1.8K
A3
B2
VCC
CK
Y
GND
to CN905-54
Q831-B
R852
C871 1
R830
10K
C832
330P
330
7
6
5
BGP
VCOOUT
VCO2
SW
DGREF
HD
to CN905-50
to CN905-49
to IC239-5
IC830-8
IC831-2
15.734kHz
X830
R858
470
8
9
10
C838
1000P
IC832-2
Q
CLR
PR
GND
Q
D
4
3
2
Y3
B3
IC835-1
C991
330P
5
6
7
GND
Y2
8
7
4
3
2
23
24
25
26
27
28
29
32
33
34
35
36
37
38
39
42
43
44
1
5
R850
330
2
1
4
3
VCO1
LPF
GND
VD
VCC
SYCIN
R851
910K
C833
1
SW5V
VS
CSOUT
8
1
Y2
A3
Y1
VCC
GND
A2
Y3
A1
4
3
2
5
6
7
B
VCC
IC836-4
to IC237-35
IC833-5
IC833-1
Q771-B
to CN905-67
IC779-1
to CN905-53
V3.3V
W805
to IC104-18
to IC104-7
A
GND
Y
4
C830
0.1
C840
0.1
2
3
TP812
SW3.3V
C782
0.1
DGND
13
RST
to IC104-90
IC781-4
to IC237-17
W854
22
RST
TP781
GA17
NC
A
GND
1
2
3
VCC
Y
5
4
W773
NC22
NC23
GD4
GD5
GD6
GD7
W853
W852
W851
W850
GA16
GA15
GA14
GA13
6
17
18
A12
A13
A14
A15
21
20
19
A11
A10
A9
A8
WE
I/O8
I/O7
I/O6
I/O5
17
16
15
14
NC28
I/O9
I/O10
I/O11
I/O12
30
31
GA2
OE
A1
GA1
GD2
GD1
GD0
GD3
C852
I/O14
I/O3
0.1
VSS1
VCC1
I/O4
12
11
10
VCC2
VSS2
I/O13
I/O2
I/O1
CE
A0
9
8
7
6
5
I/O15
I/O16
BLE
BHE
40
GA5
GA4
GA3
BU3.3V
A2
A3
A4
4
3
2
1
A7
A6
A5
41
DGND
BU3.3V
DGND
VGND
A
PR2
Q1
6
13
R854
C835
0.015
3K
11
12
C837
150P
C836
4.7
14
VCC
4
5
A
NC
3
2
1
1
V3.3V
W833
V3.3V
Q
CLR
5
GND
Q
TP813
4
Y
GND
3
7
6
Y4
B4
A4
STB
VCC
A1
R994
150K
8
A2
Y1
B1
6
5
4
3
33
SEL
2
1
GND
Y2
B1
A1
R771
4
3
DGND
Q2
Q2
8
9
GND
Q1
2
1
C771 0.1
W770
R779
560
R777
15K
C778
10P
4
3
V3.3V
PR
VCC
7
8
D
CK
1
W806
DGND
Y
GND
5
VCC
B
2
1
5
4
3
2
1
C780
0.01
2
1
VCC
5
A
B
C779
0.01
R775
100
W776
R778
560
R776
15K
GND
A
NC
GND
Y2
B1
A1
CK2
D2
CLR2
VCC
10
11
12
13
14
PR1
CK1
D1
CLR1
4
3
2
1
3
2
1
V
SW3.3V
R863
2
BU3.3V
GA18
GA10
GA11
GA12
GA9
GD9
GD10
GD11
GD8
GA19
R855
100
GND
INA
3
RST
17
10K
OUT 4
R864
10K
41
GD13
GD12
C853
0.1
C854
10
GD15
GD14
39
40
DGND
NC
1
GWE1
GWE0
GA7
GA6
GA8
3
R860
47
3Y
3A
3B
4Y
4A
GND
2Y
2B
2A
1Y
7
6
5
4
4B
VCC
1B
1A
2
1
1
7
C870
0.1
VCC
5
R856
100
GND
2Y1
1A4
2Y2
10
9
8
CP
2A1
1Y4
2A2
1Y3
1
1
1
2
12
C872
0.1
8
9
10
11
1A3
2Y3
1A2
2Y4
1A1
6
5
4
3
C868
0.1
13
14
OE1
1
1
2A3
1Y2
2A4
1Y1
OE2
1
1
1
1
VCC
2
GRD
SW3.3V
89
to IC104-93
47
R861
0.1
C855
0.1
C770
DGND
47
R859
1
C834
0.1
C839
0.1
C772
560
R781
NOT USED
ANALOG 2ch
IC830
IC834
IC836
IC781
IC851
IC853
IC831
IC832
IC835
IC774
IC771
IC833
IC770
IC779
IC773
IC772
IC855
IC854
47K
10K
47K
10K
3.3-0V
0V
3.3V
3.3-0V
3.3-0V
0V
3.3-0V
3.3V
3.3-0V
3.3-0V
3.3-0V
0V
3.3-0V
3.3-0V
0V
3.3V
0V
3.3-0V
0V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
3.3-0V
3.3V
0V
3.3-0V
3.3V
3.3V
3.3-0V
0V
3.3V
3.3-0V
0V
3.3V
3.3-0V
5.0-0V
3.3-0V
0V
1.4V
5.0V
5.0-0V
0V
0/5.0V
5.0-0V
0V
3.9V
1.4V
4.9-5.1V
4.8-5.1V
5.0-0V
2.8-3.5V
5.0-0V
0V
3.3-0V
3.3V
0V
3.3-0V
3.3V
3.3-0V
3.3V
3.3V
3.3-0V
0V
0V
0/3.3V
3.3-0V
3.3-0V
0V
3.3V
2.8-0.9V
0V
2.8-0.9V
3.3-0V
3.3-0V
0V
3.3-0V
3.3-0V
0V
3.3V
3.3V
3.3-0V
3.3-0V
2.8-0.9V
0V
3.3-0V
2.8-0.9V
3.3-0V
3.3V
3.3V
3.3V
0V
3.3V
1
1
1
14
12
13
12
1
1
12
13
1
1
AO
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AQ
AR
AS
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299