HCD-VX5A/VX5AJ/VX7A
– 23 –
– 24 –
7-2. BLOCK DIAGRAM – AUDIO/VIDEO CD Section –
PROGRAM ROM
IC506
05
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
D/A
CONVERTER
INPUT
INTERFACE
CIRCUIT
OSC
BUFFER
IC504
LOW-PASS
FILER
IC101
B.P.F.
B.P.F.
VIDEO
BUFFER
Q301
VIDEO
BUFFER
Q303
VIDEO
BUFFER
Q307
VIDEO
BUFFER
Q308
VIDEO
BUFFER
Q304
VIDEO AMP
IC401 (1/2)
VIDEO AMP
IC401 (2/2)
SHARPNESS
CONTROL SWITCH
Q306
SHARPNESS
FILTER
Q302
VIDEO
MUTE
Q454
VIDEO
MUTE
Q453
Y/C MIX
Q310
BUFFER
Q502
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
IC505
CD MECHANISM CONTROLLER
IC502 (2/2)
14
11
VOUTL
VOUTR
R-CH
10
RSTB
17
18
19
20
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
3
4
5
CD-DATA
C2PO
DATA
BCK
LRCK
DATA, BCK,
LRCK, C2PO
CD-BCK
CD-LRCK
6
CD-C2PO
MA0 – MA10
MD0 – MD15
D0 – D15
D0 – D15
A0 – A10
A0 – A8
384FSO
768FSO
4
MCKO
X503
27MHz
CT503
MD
XT2
XT1
37
14 132928
38 42 40
22
32
21
20
33
31
23
24
60
69
75
113
110
111
108
106
HRDY
Y-OUT
86
DA-XCLK
VCK-IN
DA-DATA
DA-BCK
DA-LRCK
C-OUT
93
114 121
HSEL
112
HD-OUT
119
HD-IN
117
HCK
ML
8
MC
LEVEL
SHIFT
IC501
B
(Page 22)
DATA, CLK
D
(Page 29 )
MCLK 33.8MHz
A
(Page 22)
CD-L
E
(Page 27)
C
(Page 22)
C
Y
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
58 – 56, 54, 52 – 50, 48, 46 – 44 10 – 15, 17, 19, 21, 23 – 29
16 – 19, 22 – 26
A0 – A10
12 – 5, 27, 26, 23
D8 – D14
A11 – A17
25, 4, 28, 29, 3, 2, 30
D0 – D7
O0 – O7
A0 – A10
DQ1 – DQ16
ADDRESS BUS
DATA BUS
D-RAM
IC507
A0 – A8
13 – 15, 17 – 212 – 5, 7 – 10, 31 – 34, 36 – 39
WE
22
CE
RAS
LCAS
UCAS
CAS
RESET
HINT
CL680 RESET
CL680 HINT
CL680 HRDY
CL680 SEL
DATA1I
93
NT/PAL
TEST LED
CLK1
DATA1O
45
BUS
DATA
CLK
DF LATCH
34
75
SHARPNESS
65
VMUTE
29
30
DATA
CLK
DATA
CLK
RAS0
MWE
MCE
RESET
13
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
1315
PGIO2/VSYNC/CSYNC
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
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