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Q Q
3 7 6 3 1 5 1 5 0
AUDIO/VIDEO CD SECTION
MCLK 33.8MHz
A
(Page 18)
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
DATA, BCK,
LRCK, C2PO
DATA
CD-DATA
B
180
LEVEL
BCK
CD-BCK
SHIFT
184
(Page 18)
CD-LRCK
LRCK
IC501
182
C2PO
CD-C2PO
185
MA0 – MA10
104,110,112,111,108,105,102,99,96,
100,98,114,116,118,120,121,122,124
ADDRESS BUS
DATA BUS
T E
L
1 3 9 4 2 2 9 6 5 1 3
2,3,5,6,8,9,11,12,39,
12 – 5, 27, 26, 23
21 – 24, 27 – 32,20
19
40,42,43,45,46,48,49
A0 – A10
BA
A0 – A10
DQ0 – DQ15
D-RAM
PROGRAM ROM
IC507
IC508
16
17 15
18
DATA, CLK
D
(Page 22)
w w w
.
16
MPEG
AUDIO
IC506
AUDIO
INTERFACE
DECODER
CIRCUIT
MPEG
SYSTEM
MPEG
VIDEO
DECODER
CD-ROM
VIDEO
PROCESS
INTERFACE
DECODER
CIRCUIT
CIRCUIT
D-RAM/ROM INTERFACE
MD0 – MD15
54,58,60,64,68,72,74,78,
128
82 86 85
90
13
76,73,70,66,62,59,56,53
13 – 15, 17 – 21
25, 4, 28, 29, 3, 2, 30
O0 – O7
A11 – A17
22
NTSC
AUTO
PAL
x
a o
y
i
http://www.xiaoyu163.com
8
DA-DATA
DATA
161
18
INPUT
DA-BCK
BCK
167
17
INTERFACE
DA-LRCK
LRCK
CIRCUIT
166
19
DA-XCLK
169
768FSO
21
OSC
384FSO
BUFFER
20
IC510
MCKO
SYS CLK
178
4
VDATA0 – 7
TIMING CONTROL/
CLOCK GENERATOR
VCK-IN
177
24
HSYNC
157
VSYNC
158
CT503
X503
CPU INTERFACE
27MHz
VIDEO FREQUENCY
(27MHz)
16
DATA
CLK
Q
Q
3
7
6
3
DF LATCH
22
33
CLK1
31
DATA1O
20
CL680 HINT
24
8830 RESET
S501
CD MECHANISM CONTROLLER
IC505 (2/2)
SYSTEM SELECT
93 NT/PAL
D502
(SELF DIAGNOSIS)
73
TEST LED
NT/PAL OUT
21
I2C CLK
29
I2C/RX
I2C DATA
30
I2C/TX
15
13
u 1 6 3
X501
.
10MHz
19
19
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2
4
9
9
8
DIGITAL FILTER,
D/A CONVERTER
IC509
DIGITAL
VOUTL
14
FILTER,
LOW-PASS
D/A
LOW-PASS
NOISE
CONVERTER
FILER
VOUTR
SHAPER
11
CIRCUIT
MODE
CONTROL
1
9
8
7
10
PCL
4
DATA
V-B
3
CLK
V-G
1
D/A
HSYNC
V-R
20
VSYNC
19
1
5
1
5
0
8
9
2
4
D/A CONVERTER
IC511
57
64 1
HSY
28
VSY
27
OSD
27MHz
VCLK
51
2
TIMING
VD0 – VD7
CONTROL
YUV0 – 7
8
,
Y/C
FILTER
10
22
NTB
DIGITAL RGB ENCORDER
IC514
m
c o
HCD-VX550
2
9
9
(Page 21)
CD-L
E
FILER
IC515
R-CH
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
(Page 18)
RESET
C
18
17
16
9
8
2
9
9
J301
S VIDEO OUT
1
COUT
C
37
3
YOUT
4
45
Y
2
D/A
J302
VIDEO OUT
VOUT
39
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