Denon DVM-4800 Service Manual page 42

Q Q
3 7 6 3 1 5 1 5 0
1 2
VIDEO BLOCK DIAGRAM (3/4)
A
B
T E
L 1 3 9 4 2 2 9 6 5 1 3
C
D
E
F
G
H
I
J
FROM IC6001-41
FROM IC6001-39
w w w
.
M
N
O
P
http://www.xiaoyu163.com
3 4
IC3701(PROGRESSIVE)
145 Y RIN0 Y RED0 45
146 Y RIN1 Y RED1 46
147 Y RIN2 Y RED2 47
148 Y RIN3 Y RED3 48
149 Y RIN4 Y RED4 53
152 Y RIN5 Y RED5 54
153 Y RIN6 Y RED6 55
154 Y RIN7 Y RED7 56
90 RAMDQ0 UV BLUE0 33
91 RAMDQ1 UV BLUE1 34
92 RAMDQ2 UV BLUE2 35
93 RAMDQ3 UV BLUE3 36
94 RAMDQ4 UV BLUE4 37
95 UV BLUE5 38
RAMDQ5
97 RAMDQ6 UV BLUE6 39
98 RAMDQ7 UV BLUE7 41
102 RAMDQ8
103 RAMDQ9 GREEN0 19
104 RAMDQ10 GREEN1 20
105 RAMDQ11 GREEN2 21
106 RAMDQ12 GREEN3 22
107 GREEN4 24
RAMDQ13
108 RAMDQ14 GREEN5 25
109 RAMDQ15 GREEN6 26
110 RAMDQ16 GREEN7 27
112 RAMDQ17
113 RAMDQ18 VSYNC 13
114 RAMDQ19 HSYNC 9
116 RAMDQ20 DCLK 50
117 RAMDQ21 DV 15
118 RAMDQ22
119 RAMDQ23
120 RAMDQ24
121 RAMDQ25
123 RAMDQ26
124 RAMDQ27
125 RAMDQ28
126 RAMDQ29
127
RAMDQ30
128 RAMDQ31
75 RAMADDR0
76 RAMADDR1
78 RAMADDR2
79 RAMADDR3
80 RAMADDR4
82 RAMADDR5
83 RAMADDR6
84 RAMADDR7
85 RAMADDR8
86 RAMADDR9
67 RAM WE
68 RAM CAS
72 RAM RAS
74 RAM CS
64 RAM DSF
70 RAM CLK
73 RAM OE
160 SCL
158 SDI
x a o u 1 6 3
y
i
8 9
5
IC3751(PROGRESSIVE VIDEO DAC)
Y2
SHARPNESS
4
Y3
FILTER CONTROL
5
Y4 AND
6
ADAPTIVE
Y5
7
FILTER CONTROL
Y6
8
Y7
9
Y8
10
Y9
11
V2
16 4:2:2 TO
V3
4:4:4
17
V4
18
V5
19
V6
20
V7
21
4:2:2 TO
V8
4:4:4
22
V9
23
U2
49
U3
48
U4
47
TIMING
U5
46 GENERATOR
U6
45
U7
44
U8
43
U9
42
NVSYNC
28
NHSYNC
29
CLK IN
25
27 DV/CLKOUT
RESET
BLANKING
31 SDA
30 SCL
Q Q
3 7 6 3 1 5
IC3201
(INTERLACE VIDEO DAC)
IC3901(NOISE CANSELAR)
19 VD0 XVD0 75
13 VD1 XVD1 76
11 VD2 XVD2 79
10 VD3 XVD3 80
7 VD4 XVD4 83
6 VD5 XVD5 84
4 VD6 XVD6 86
3 VD7 XVD7 87
1
2
3
26 SBT1 4
5
27 SBO1 6
7
8
VR3201
c o
48
.
2 4 9 8 2
6 7
CGMS
MACROVISION
Q3771
11-bit DAC A
34 AMP
DAC
VR3771
2XINTER-
Q3766
POLATION
DAC B
11-bit
36 AMP
DAC
Q3761
11-bit DAC C
32 AMP
DAC
SYNC
GENERATOR
VREF
DAC CONTROL
RSCT
BLOCK
COMP
I C MPU PORT 2
1 5 0 8 9 2 4 9 8
HSYNC PAL NTSC
VSYNC VSO/CLAMP
VIDEO TIMING GENERATOR
BLANK CSO HSO
TTX
TELETEX
BRIGHTNESS
INSERTION
CONTROL
BLOCK
TTXRQ
AND
ADD SYNC
AND
10
10
/ INTERPOLATOR
/ Y
Y
YCrCb DNR
10
TO AND
/
YUV GAMMA
U
10
MATRIX CORRECTION
/ SATURATION
U
CONTROL
V /
V AND
10
ADD BURST
10 AND
/
10 / / 10 INTERPOLATOR
VD0
VD1
VD2
CLKOUT
VD3
VD4 DEMUX
VD5 CLKIN PLL
VD6
VD7
VREF
m
DAC DAC
COMP1 RESET2
RESET1 CONTROL CONTROL
COMP2
BLOCK BLOCK
VIDEO BLOCK DIAGRAM
DVM-4800
9 9
8
A
A
B
D
B
2 9 9
E C
F
G
PROGRAMMABLE
LUMA FILTER
AND
SHARPNESS
FILTER
D
PROGRAMMABLE
CHROMA FILTER
H
I
J
K
REAL-TIME
CONTROL
CIRCUIT
SCRESET/
RTC/TR
E
L
M
N
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