Video Section - Sony HCD-V8900 Service Manual

– VIDEO SECTION –
BUFFER
IC501 (1/2)
BCK 9 11 112
B
ADATA 8 12 111
CD-ROM
LRCK 7 13 110 DECODER
C2PO 6 14 109
CD
384FS
SECTION
5 15 103
(Page 20)
ADATA
MPEG
100
LRCK AUDIO
101
DECODER
BCLK
102
2 XTL0O
X202
28.63636MHz
3 XTL01
106 XTL2O
X201
D-RAM INTERFACE
45.1584MHz
107 XTL2I
17–21 23 24 32 33 • •
38–43 46–55 •
2–5 7–10 35–38 40–43 • • • 18–21 24–28 •
D-RAM
IC251
S-RAM
IC751
11–13 15–19 • 2–10 21 23–25 • •
DATA
CLK
AMUTE
4 16
IC501
(2/2)
13 – 20 22–29 • 31–35
384FS
73
DATA DATA
CLK 78 CLK
AMUTE 74 AMUTE
11 SQCK
SQCK
B
10
SUBQ SUBQ
SCLK 77 SCLK
XLT 76 XLT
CD
75 LDON
LDON
SECTION
71
(Page 20) SCOR SCOR
SENS 62 SENS
XRST 48 RESET
09
MPEG DECODER
IC201
71
Y0-Y7
73
Y
•
VIDEO
76
MPEG MPEG
POSTPROCESSOR
SYSTEM VIDEO
80
&
DECODER DECODER
C0-C7
SYNC GENERATOR 63
C
70
XSGRST
97
95
HSYNC
92
VSYNC
93
FID
94
DCLK
89
XOSDEN
56
OSD B
57
OSD G
58
OSD R
59
EACH CIRCUIT BLOCK
XRST
HOST INTERFACE 118
• • 34 35 37 5 6 • • 119 120 • 114 116 115 117
7–13 16 •
D0 A0
D7 A3
16 15 30 31
CLOCK
GENERATOR
IC272
XTCS
IC772
22 20 27
8 6
10 9 5 4
3
11
12 13 1 2
IC771
55 41 40 54 56 43 70 7 8
CMD0 1
CMD1 2
CMD2 3
CMD3 4
5
SACK
MECHA CONTROL QINT 6
IC701
MREQ 72
64
NPIN
51 52
X701
10MHz
– 21 –
NOISE REDUCTION
IC301
1
11 60
4
Y
•
18 67
6
RGB-YUV NOISE YUV-RGB
9
CONV. REDUSER CONV.
20 51 11
C
27 58 18
TIMING DRAM
GEN.
MEMORY
CONT.
NR-XCS
29
MCLK
IF 30
MDATA
31
98 97 100
OSD
IC271
4
OSD B
18
DATA INPUT MDATA
OSD G OUTPUT VIDEO 3
17 SHIFT
OS-XLAT
CONT. RAM
2
OSD R
RESISTOR
16 MCLK
1
XOSDEN
15
DISPLAY
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
34 CMD0
35 CMD1
36 CMD2
37
CMD3
44 SACK
IIC INTERFACE
18 QINT
IC901
43 MREQ
S9001
SYSTEM SELECT
RESET
IIC-DATA
PAL
IIC-CLK
AUTO
52 10 11
NTSC
X901
5MHz
10BIT VIDEO D/A CONVERTER
IC401
Y, C/Y, U, V
LPF
SELECTOR
DEMPX, LEVEL
MODULATOR
TRANSLATOR
LPF
&
POLATOR
INTERPOLTATOR
DELAY
SYNC SUB CLOSED
CLOCK GENARATOR
SLOPE CARRIER CAPTION
IC402
GEN. GEN. ENCODER
3 4 5 6
56
SYNC GEN.
SIO & I
1/2
X401 &
27MHz TIMING CONT.
CT401
13.5MHZ
57 55 51 62 59 60 48
• R CH: Same as L ch
• 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
BCLK
1 3 10
DATA
3
CLK
4 MODE
DF-XLAT
5
AMUTE
2
XRST
15
55
56
– 22 –
HCD-V8900/V8900AV
VIDEO AMP
J9001
IC451
VIDEO OUT
V
24 5 7
&
Y
29 5 7
INTER-
C
32 3 1 4 3
Y/C AMP
J9002
IC452
S VIDEO OUT
2
O-BUS
CONT.
49 50
21
CLOCK
X101
GENERATOR 33.8688MHz
22
ACTIVE LPF
IC102
2
27 1 6 7
3
25
D/A
PLM
CONV.
16
R CH
18
MUTE
CIRCUIT
1
L CH
XRST D
IIC-DATA
IIC-CLK
MAIN
SECTION
(Page 25)