Video Section - Sony HCD-V909AV Service Manual

QQ
3 7 6 3 1 5 1 5 0
— VIDEO SECTION —
BUFFER
IC501 (1/2)
BCK
9 11 112
B
ADATA 8 12 111
LRCK 7 13 110
C2PO 6 14 109
CD
384FS
SECTION
5 15 103
(Page 20)
ADATA
100
LRCK
101
BCLK
102
XTL0O
2
X202
28.63636MHz
3 XTL01
106 XTL2O
X201
D-RAM INTERFACE
45.1584MHz
107
XTL2I
38–43 46–55 •
2–5 7–10 35–38 40–43
• • •
T E
L 1 3 9 4 2 2 9 6 5 1 3
11–13 15–19 • 2–10 21 23–25
DATA
CLK
AMUTE
4 16
IC501
(2/2)
13 – 20 21–29 • 31–35
384FS
DATA 73 DATA
78
CLK CLK
www
AMUTE 74 AMUTE
SQCK 11 SQCK
B
SUBQ 10 SUBQ
77
SCLK SCLK
76 XLT
XLT
CD
75 LDON
LDON
SECTION
SCOR 71 SCOR
(Page 20) .
SENS 62 SENS
XRST 48 RESET
09
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MPEG DECODER
IC201
71
74
Y
•
VIDEO 76
MPEG MPEG
CD-ROM POSTPROCESSOR
SYSTEM VIDEO 80
DECODER
&
DECODER DECODER
SYNC GENERATOR 63
C
70
XSGRST
97
95
HSYNC
MPEG
92
AUDIO VSYNC
93
DECODER
FID
94
DCLK
89
XOSDEN
56
OSD B
57
OSD G
58
OSD R
59
EACH CIRCUIT BLOCK
XRST
HOST INTERFACE 118
17–21 23 24 32 33 • • • • 34 35 37 7–13 16 • 5 6 • • 119 120 • 114 116 115 117
D0 A0
D7 A3
18–21 24–28 • 16 15 30 31
D-RAM
IC251
CLOCK
GENERATOR
IC272
S-RAM
IC751
XTCS
IC772
22 20 27
• •
8 6
5 4
10 9
3
11
12 13 1 2
IC771
55 41 40 54 56 43 70 7 8
CMD0
CMD1
CMD2
CMD3
SACK
x a o
MECHA CONTROL y QINT
IC701
MREQ
i
NPIN
51 52
X701
10MHz
— 21 —
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8
NOISE REDUCTION
IC301
1
Y0-Y7
60
4
Y
•
67
6
RGB-YUV NOISE YUV-RGB
9
CONV. REDUSER CONV.
C0-C7
11 51
C
18 58
TIMING DRAM
GEN.
MEMORY
CONT.
NR-XCS
29
MCLK
IF 30
MDATA
31
98 97 100
OSD
IC271
OSD B 4
18 DATA INPUT MDATA
3
OSD G OUTPUT VIDEO
SHIFT
17 OS-XLAT
CONT. RAM
2
OSD R
RESISTOR
16
MCLK
1
XOSDEN
15
Q Q
3 DISPLAY 7 6 3 1
VSYNC
SYNC DATA
19
POSITION
CONT. SEL.
CONT.
HSYNC
20 OSC
8
DCLK 6.75MHz
1 CK 1/2 Q 5
47 48 49 68
1 34 CMD0
2
35 CMD1
3 36 CMD2
4 37 CMD3
5 44 SACK
u 1 6 3 IIC INTERFACE
6
18 QINT
IC901
72 43 MREQ
S9001
SYSTEM SELECT RESET
.
IIC-DATA
64 PAL
IIC-CLK
AUTO
52 10 11
NTSC
X901
5MHz
2 4
9 9 8
10BIT VIDEO D/A CONVERTER
IC401
1
4 Y, C/Y, U, V
• LPF
SELECTOR
6 DEMPX, LEVEL
MODULATOR
TRANSLATOR
9 LPF
INTER-
&
POLATOR
11 INTERPOLTATOR
DELAY
18
SYNC SUB CLOSED
CLOCK GENARATOR
SLOPE CARRIER CAPTION
IC402
GEN. GEN. ENCODER
3 4 5 6
56
SYNC GEN.
SIO & I
1/2
X401 &
CONT.
27MHz TIMING CONT.
CT401
13.5MHZ
57 55 51 62 59 60 48 49 50
• R CH: Same as L ch
5 1 5 0 8 9 2 4
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
: CD
DIGITAL FILTER & D/A CONVERTER
IC101
384FS
TIMING
6
CIRCUIT
BUFFER
IC181
ADATA
13 11 11
LRCK
12 INPUT
4 6
CONV.
BCLK
1 3 10
DATA
3
CLK
4 MODE
DF-XLAT
5
AMUTE
2
m
c o
XRST
15
55
56
— 22 —
HCD-V909AV
2
9 9
VIDEO AMP
J9001
IC451
VIDEO OUT
V
24 5 7
&
Y
29 5 7
C
32 3 1 4 3
Y/C AMP
J9002
IC452
S VIDEO OUT
2
O-BUS
9 8 2 9 9
21
CLOCK X101
GENERATOR 33.8688MHz
22
ACTIVE LPF
IC102
2
27 1 6 7
3
25
D/A
PLM
16
R CH
18
MUTE
CIRCUIT
1
L CH
D
XRST
IIC-DATA
IIC-CLK
MAIN
SECTION
(Page 25)