Sony SLV-7700KME Service Manual page 46

4-9. VIDEO CD BLOCK DIAGRAM (2/2)
CD-169 BOARD
CN303
A DATA
16
BCLK
15
LRCK
17
C2PO
27
IC301
VIDEO CD
MECHA CONT
SUBQ
2 10 SUBQ
FROM/TO D0
SQCK
VIDEO CD
10 11 SQCK
D7
BLOCK(1/2) A MUTE
74
11 A MUTE
BD-21 BOARD
SCOR
CN101 14 71 SCOR
SCLK
A0
1 77 SCLK
(SEE PAGE 4-16)
SENS
A16
3 62 SENS
DATA
73
12 DATA
XLT
4 76 XLT
CLK
13 78 CLK
XRST
9 80 245 RST
LDON
75
5 LDON
384 BD
20
RD
A17
A18
AS
WR
MPEG
XHIRQ
CHECK LED
LTH
RESET
NPIN
EXTAL
XTAL
CMD0
CMD1
CMD2
CMD3
SACK
QINT
MREQ
16
IC305 fi `⁄⁄¤ Color-bar mode
IC307
5Vp-p (2.1MHz)
BUFFER
111
112
110
109
IC305 ' `⁄⁄‚ Color-bar mode
5Vp-p (44.1kHz)
7
13
8 8 13
.
20
16
22 119
.
29 120
. . .
17 4
31 5
. .
IC302
35 6
SRAM
10
.
3 11
.
25 13
. .
A0 I/O0
8
13
24 15
.
A12 I/O7
21 19
.
106 XTL2O
23
IC304 . X303
2
45MHz
107 XTL2I
CHIP
20 CEI
SELECT
55 22 OE IC303
27 WE
IC304
40
CHIP
41 114
SELECT
54
56 116
43 115
70 117
IC305 2 Color-bar mode
2
X301
28.63MHz
3
7
2.5Vp-p (28.63MHz)
D302
69
48
64
IC301 %¡ Color-bar mode
51
X302
10MHz
52
5.2Vp-p (10MHz)
CMD0
1
CMD1
2
CMD2
3
CMD3
4
SACK
5
QINT
6
MREQ
72
4-17
IC305
MPEG DECODER
DATI
71
G/Y0 73
.
BCKI 8
G/Y7 76
80
LRCI
R/Cr0 63
C2PO 8
R/Cr7 70
CBLNK/FSC 95
H SYNC 92
V SYNC 93
DCLK 89
HD0
FID/FHREF 94
HD7
IC305 (£ Color-bar mode IC305 (™ Color-bar mode
HA0
HA3
5Vp-p (V) 5Vp-p (H)
38
MD0
43
.
16
MD15 46
55 IC306
DRAM
2
17 5 .
21 18 7
.
MA0 23 21 A0 D1 10
. . .
9 16
MA8 24 24 A8 D16 35 35
.
32 28 38
. .
33 40
43
XRAS 34 16 RAS
XMWE 35 15 W
XHCS
30 UCAS
XCASO 37 31 LCAS
XRW
DATO 100
XHDT KCKO 102
XHIRQ LRCO 101
XRST 118
XTL0O XSGRST 97
XTL0I FSXI 103
IC310 fi @¢ Color-bar mode
IC310
DIGITAL VIDEO
ENCODER
1.3Vp-p (H)
9 Q302-304 Q305
6 Y0 VCD V
VIDEO
.
BUFFER
8 COMPO 24
AMP
4 Y7
1
18 C0
8
11 C7 IC310 fi %§ Color-bar mode
60 H SYNC
5.6Vp-p (27MHz)
59 V SYNC
57 PDCLK
IC309
62 FID
27M OSC
4 3 2 1
SYS CLK 56
CT301
CLOCK
X304
27MHz
50 XCS XRST 55
XVRST 51
48 SI
49 SCK
A DATO
BCLK
LRCK
RESET
IC308
BUFFER
10 13
384FS
11 12 NPIN
4
3
CD RESET
CMD0
CMD1
CMD2
CMD3
SACK
MREQ
LOD IN
LOD OUT
OUT SW
IN SW
OUT SW
IC311
2 LOADING
3
MOTOR
DRIVE
9 8
4-18
SLV-7700KME/7700KML
CN304
TO
VIDEO BLOCK
7
MB-77 BOARD
CN605
(SEE PAGE 4-5)
17
13
11
FROM/TO
KARAOKE.AUDIO I/O
BLOCK
26
MB-77 BOARD
CN605
(SEE PAGE 4-13)
15
21
CN301
8
4
2
1
3
TO/FROM
5 DISPLAY CONTROL
QINT
BLOCK
6
HI-66 BOARD
CN302
7
(SEE PAGE 4-10)
12
20
11
16
CN151
4 4
S152
LOAD IN
IN SW
5 5 S151
LOAD OUT
OUT1
2 2
M151
M LOADING
OUT2 MOTOR
1 1
CN302
CDM-14 BOARD