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HCD-VX880AV
Q Q
3 7 6 3 1 5 1 5 0
– VIDEO SECTION –
MCLK 33.8MHz
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
A
CD
CD-DATA
SECTION
A DATA
180
LEVEL
(Page 21)
BCK
CD-BCK
184
SHIFT
LRCK
CD-LRCK
IC503
182
CD-C2PO
C2PO
185
MA0 – MA10
104,110,112,111,108,105,102,99,96,
100,98,114,116,118,120,121,122,124
ADDRESS BUS
T E
DATA BUS
L
1 3 9 4 2 2 9 6 5 1 3
2,3,5,6,8,9,11,12,39,
21 – 24, 27 – 32,20
19
12 – 5, 27, 26, 23
40,42,43,45,46,48,49
A0 – A10
BA
A0 – A10
DQ0 – DQ15
D-RAM
PROGRAM ROM
IC507
IC508
16
17 15
18
SENS
DATA
XLT
(Page 21)
CLK
MUTE
A
CTRL1
SCOR
LD ON
CD
SUBQ
SECTION
SQCK
(Page 24)
C
XRST
MAIN
SECTION
I2C CLK
F
I2C DATA
w w w
MAIN
SECTION
(Page 24)
09
MPEG
AUDIO
IC506
AUDIO
INTERFACE
DECODER
CIRCUIT
MPEG
SYSTEM
MPEG
VIDEO
CD-ROM
DECODER
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
A11 – A17
O0 – O7
22
x
a o
y
.
i
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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
DF LATCH
22
33
CLK1
31
DATA1O
77
DEVICE RESET
20
CL680 HINT
24
8830 RESET
CD MECHANISM CONTROLLER
IC505
1
SENSE
3
DSP DATA
4
DSP LATCH
5
DSP CLK
10
DSP MUTE
11
CTRL1
18
SCOR
28
LD ON
36
SUBQ DATA
37
SUBQ CLK
21
NT/PAL OUT
12
XRESET
NT/PAL
93
29
I2C/RX
TEST LED
73
30
I2C/TX
u 1 6 3
15
13
X501
10MHz
22
22
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2
4
8
9
9
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
3
1
5
1
5
0
8
9
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
NTSC
S501
DIGITAL RGB ENCORDER
SYSTEM
IC514
AUTO
SELECT
+5V
PAL
D502
m
(SELF DIAGNOSIS)
c o
.
2
8
9
9
C
CD-L
FILER
IC515
R-CH
MAIN
SECTION
(Page 24)
• R CH: Same as L ch
• SIGNAL PATH
: CD
: CHROMA
: Y
: VIDEO
18
17
16
2
4
9
8
2
9
9
J301
S VIDEO OUT
1
COUT
C
37
3
YOUT
4
45
2
Y
D/A
J302
VIDEO OUT
VOUT
39
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