HCD-VX880AV
22
22
– VIDEO SECTION –
PROGRAM ROM
IC508
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
14
11
VOUTL
VOUTR
R-CH
10
RSTB
17
18
19
20
4
21
9 724 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
A DATA
BCK
LRCK
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 1516
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
IC503
MCLK 33.8MHz
CD-L
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
CLK1
DATA1O
DATA
CLK
DF LATCH
NT/PAL OUT
SD-RAS
SD-CAS
SD-CSO
MWE
MCE
1
2
3
4
J301
S VIDEO OUT
J302
VIDEO OUT
XOUT
XIN
X501
10MHz
1315
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
64 157
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
• R CH: Same as L ch
• SIGNAL PATH
: CD
: CHROMA
: Y
: VIDEO
SENS
DATA
XLT
CLK
MUTE
CTRL1
SCOR
LD ON
SUBQ
SQCK
XRST
I2C CLK
I2C DATA
SENSE
DSP DATA
DSP LATCH
DSP CLK
DSP MUTE
CTRL1
SCOR
LD ON
SUBQ DATA
SUBQ CLK
DEVICE RESET
XRESET
I2C/RX
I2C/TX
1
3
4
5
10
11
18
28
36
37
12
TEST LED
D502
(SELF DIAGNOSIS)
SYSTEM
SELECT
S501
+5V
NTSC
AUTO
73
NT/PAL
PAL
93
77
29
30
CD
SECTION
(Page 21)
A
CD
SECTION
(Page 21)
A
MAIN
SECTION
(Page 24)
C
MAIN
SECTION
(Page 24)
F
09
MAIN
SECTION
(Page 24)
C
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