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Kenwood KRF-V7300D Service Manual page 49

Audio-video control center
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AO
R907
2.2
R973
1K
IC901
S-Y
4.45K
4.41K
75
6dB
DRIVER
AMP
4.45K
4.41K
75
6dB
DRIVER
AMP
R881
2.2
R900
C901
C902
0.01
+5V
4.9V
UP SY
UP SC
+3.3V
VIDEO ENCODER
IC802
76
DVDD1 3
77
FOUT
78
NC78
79
AGND1
80
Y/G
81
AVDD1
82
Cb/B
C845
83
AGND2
0.1
84
Cr/R
85
11bit DAC
AVDD2
C846
86
AGND3
11bit DAC
0.1
87
XVREF
837
C850 0.1
11bit DAC
20
R839 1K
88
FS
C849
89
COMP
11bit DAC
0.1
90
AVDD3
C847
R840
91
CVBS
11bit DAC
0.1
300
92
AGND4
CS
93
11bit DAC
94
AVDD4
95
C848
NC95
0.1
YS
96
97
AGND5
98
C818
NC98
00u10
99
NC99
+
100
DGND1 3
+3.3V
+2.5V
+3.3V
AP
IC902
S-C
75
DRIVER
75
DRIVER
300
0.01
+5V
4.9V
CTRL4
CTRL3
CTRL2
CTRL1
MUTE
+2.5V
COLOR
SUBCARRIER
BURST
GENERATOR
GENERATOR
V
LPF
C
U
LPF
Y
Y
YCbCr
PROGRESSIVE
INTERFACE
YCbCr/RGB
YCbCr/RGB
INTERFACE
PROGRESSIVE
YCbCr/RGB
YCbCr/RGB
CGMS/WSS/CC
CONTROLLER
SYNC GENERATOR
TIMING CONTROLLER
I2C INTERFACE
AQ
KRF-V7300D/V8300D/V9300D
COMPOSITE
SIGNAL
SELECTOR
R931
2.2
IC904
4.45K
4.41K
6dB
AMP
4.45K
4.41K
6dB
AMP
R904
300
C903
C904
0.01
0.01
+5V
4.9V
+2.5V
+3.3V
50
DGND2 3
CD3
49
CD4
48
CD5
47
CD6
46
CD7
45
CD8
44
CD9
43
42
DGND1 1
YD0
41
YD1
40
YD2
39
YD3
38
YD4
37
YD5
36
YD6
35
34
DVDD1 2
YD7
33
YD8
32
YD9
31
BLNAK L
30
HSYNCL
29
VSYNC L
28
OCLKX1
27
26
DVDD2 2
+3.3V
+2.5V
+2.5V
+3.3V
AR
+5V
75
6dB
S7
DRIVER
AMP
75
6dB
S6
S3
S4
DRIVER
AMP
S2
75
6dB
S5
S1
DRIVER
AMP
4.9V
+2.5V
Y0
Y1
Y2
Y3
C841
Y4
0.1
Y5
Y6
R834
Y7
47
R830
0
CP801 150
R831
Y0
0
Y1
Y2
C840
Y3
0.1
CP802 150
Y4
Y5
Y6
Y7
SCL
C834
SDA
0.1
R815
2.2
R814
2.2
X08-3502-70 (C/3) (3/4)
AS
R801
1K
C932
0.01
+3.3V
VIDEO DECODER
IC801
DGNDIO2
51
52
C0
53
C1
54
C2
55
C3
C4
56
57
C5
58
C6
59
C7
60
DGNDCO3
61
CLKX2O
CLKXO
62
63
DGNDCO4
64
Y0
65
Y1
Y2
66
67
Y3
68
Y4
69
Y5
70
Y6
71
Y7
72
SAS
R835
100
73
SCL
R836
74
SDA
100
75
DVDDIO3
+2.5V
+3.3V
+3.3V
49

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