HCD-VX550
19
19
AUDIO/VIDEO CD SECTION
PROGRAM ROM
IC508
16
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
D/A
CONVERTER
INPUT
INTERFACE
CIRCUIT
OSC
BUFFER
IC510
LOW-PASS
FILER
IC515
LOW-PASS
FILER
MODE
CONTROL
TIMING CONTROL/
CLOCK GENERATOR
VIDEO FREQUENCY
(27MHz)
DIGITAL FILTER,
D/A CONVERTER
IC509
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC506
CD MECHANISM CONTROLLER
IC505 (2/2)
14
11
VOUTL
VOUTR
R-CH
10
RSTB
17
18
19
20
4
21
9
7
24
1
DATA
BCK
LRCK
CD-ROM
INTERFACE
CIRCUIT
MPEG
SYSTEM
DECODER
MPEG
VIDEO
DECODER
VIDEO
PROCESS
CIRCUIT
CPU INTERFACE
AUDIO
INTERFACE
CIRCUIT
MPEG
AUDIO
DECODER
D-RAM/ROM INTERFACE
CD-DATA
C2PO
DATA
BCK
LRCK
DATA, BCK,
LRCK, C2PO
CD-BCK
CD-LRCK
CD-C2PO
MA0 – MA10
VDATA0 – 7
VD0 – VD7
YUV0 – 7
MD0 – MD15
D0 – D15
D0 – D15
A0 – A18
A0 – A10
A11
384FSO
768FSO
MCKO
X503
27MHz
CT503
MD
XT2
XT1
17 15
16
19
82 86 85
22
20
33
31
24
13
16
161
180
184
182
128
185
167
178
169
166
177
157
158
DA-XCLK
SYS CLK
VCK-IN
DA-DATA
DA-BCK
DA-LRCK
ML
8
MC
LEVEL
SHIFT
IC501
B
(Page 18)
MCLK 33.8MHz
A
(Page 18)
CD-L
E
(Page 21)
C
(Page 18)
C
Y
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
21 – 24, 27 – 32,20
A0 – A10
12 – 5, 27, 26, 23
A11–A17
A11 – A17
25, 4, 28, 29, 3, 2, 30
D0 – D7
O0 – O7
A0 – A10
DQ0 – DQ15
ADDRESS BUS
DATA BUS
D-RAM
IC507
A0 – A10
BA
13 – 15, 17 – 21
2,3,5,6,8,9,11,12,39,
40,42,43,45,46,48,49
54,58,60,64,68,72,74,78,
76,73,70,66,62,59,56,53
142,143,145,148,
150,152,154,155
WE
22
CE
RAS
CAS
18
CS
90
RESET
INT
8830 RESET
CL680 HINT
93
NT/PAL
TEST LED
CLK1
DATA1O
DATA
CLK
DF LATCH
NT/PAL OUT
29
30
I2C CLK
I2C DATA
I2C/RX
I2C/TX
SD-RAS
SD-CAS
SD-CSO
MWE
MCE
RESET
1
2
3
4
J301
S VIDEO OUT
J302
VIDEO OUT
XOUT
XIN
X501
10MHz
NTSC
AUTO
PAL
S501
SYSTEM SELECT
D502
(SELF DIAGNOSIS)
73
13
15
VSYNC
HSYNC
VSYNC
HSYNC
DATA
PCL
37
45
39
22
28
27
51
COUT
YOUT
VOUT
D/A
OSD
TIMING
CONTROL
Y/C
FILTER
3
17
18
16
4
20
19
1
D/A
CLK
ROSD
GOSD
BOSD
V-B
V-G
V-R
21
64 1
57
NTB
27MHz
HSY
VSY
VCLK
2
8
–
,
10
DIGITAL RGB ENCORDER
IC514
D/A CONVERTER
IC511
104,110,112,111,108,105,102,99,96,
100,98,114,116,118,120,121,122,124
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299