Read Sony HCD-V909AV / MHC-V909AV Service Manual online
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IC271 BU6257AFV
CHARACTER
SIZE
REGISTER
HORIZONTAL
ADDRESS
REGISTER
WRITE
ADDRESS
COUNTER
COUNTER
HORIZONTAL
SIZE
COUNTER
HORIZONTAL
POSITION
COUNTER
COUNTER
HORIZONTAL
ADDRESS
COUNTER
COUNTER
VERTICAL
ADDRESS
ADDRESS
REGISTER
VERTICAL
SIZE
COUNTER
VERTICAL
POSITION
COUNTER
POSITION
COUNTER
VERTICAL
ADDRESS
COUNTER
ADDRESS
COUNTER
1
2
3
6
4
5
7
8
9
10
11
16 15 14 13 12
17
18
19
20
OSCILLATOR
CIRCUIT
DATA INPUT
SHIFT REGISTER
PROTECT
CIRCUIT
DISPLAY CONTROLLER
DATA REGISTER
CHARACTER
GENERATOR ROM
12
×
18 BIT
×
255 WORD
CHARACTER DATA
8 BIT
8 BIT
×
288 WORD
CHARACTER DATA
3 BIT
3 BIT
×
288 WORD
COLOR DATA
3 BIT
×
288 WORD
VIDEO RAM
DATA SELECTOR
OUTPUT CONTROL
BACKGROUND
CONTROLLER
DATA REGISTER
TEST CIRCUIT
HSYNC
VSYNC
VB
BLK1
VC1
RBLK
GBLK
BBLK
VR
VG
VSS
TEST
OSCIN
OSCOUT
CKOUT
VDD
RESET
CLK
CSB
DATA
IC301 CXD1854Q
81
YUV-RGB
CONVERSION
80
CSYNCO
82
HAPGAIN0
83
HAPGAIN1
84
TEST
85
TEN
86
HAPBPF0
87
IFSEL1
88
HAPBPF1
89
NRON
90
LEVEL0
91
LEVEL1
92
FNR UFRZ
93
XRST
94
VSS7
95
CSYNCI
96
CBLNKI
97
VSYNCI
98
HSYNCI
99
VDD5
100
DCLKI
50 VSS4
49 VCPT
48 VCP
47 HVCCT
46 HVCC
45 ADVS
44 ADVD
43 CORON
42 BLCKST3
41 VSS3
40 BLCKST2
39 BLCKST1
38 BLCKST0
37 VDD1
36 BLCKSIZE
35 BLCKNR1
34 BLCKNR0
33 SXP COM
32 SDO
31 SDI
CBLNKO
79
VSYNCO
78
HSYNCO
77
VSS5
76
BO7
75
BO6
74
BO5
73
BO4
72
BO3
71
BO2
70
BO1
69
BO0
68
VDD3
67
Y/GO7
66
Y/GO6
65
Y/GO5
64
Y/GO4
63
Y/GO3
62
Y/GO2
61
Y/GO1
60
Y/GO0
59
VDD2
58
C/RO7
57
C/RO6
56
C/RO5
55
C/RO4
54
C/RO3
53
C/RO2
52
C/RO1
51
C/RO0
1
VSSO
2
BI7
3
BI6
4
BI5
5
BI4
6
BI3
7
BI2
8
BI1
9
BI0
10
VSS1
11
Y/GI7
12
Y/GI6
13
Y/GI5
14
Y/GI4
15
Y/GI3
16
Y/GI2
17
Y/GI1
18
Y/GI0
19
VSS2
20
C/RI7
21
C/RI6
22
C/RI5
23
C/RI4
24
C/RI3
25
C/RI2
26
C/RI1
27
C/RI0
28
VDD0
29
XCS
30
XSCK
NOISE
REDUCER
RGB-YUV
CONVERSION
MEMORY
CONTROLLER
TIMING
GENERATOR
8
8
8
8
8
C/R-Y
B-Y
Y
Y
B-Y
C/R-Y
8
D-RAM
MICRO COMPUTER
INTERFACE
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