Table of Contents
Advertisement
HCD-VX3A
Q Q
3 7 6 3 1 5 1 5 0
VIDEO SECTION
LEVEL SHIFT
IC501
ADATA
1
4
BCLK
13
10
LRCK
5
8
C2P0
DATAI
DATAO
CLK1
HRDY
INT
HSEL
RST
INVERTER
Q502
T E
L
1 3 9 4 2 2 9 6 5 1 3
CLK1, DATA0
A
CD
SECTION
(Page 19)
DATA0
DATAI
CLK1
INT
HSEL
HRDY
RESET
DATA
XLT
CLK
SENS
SCLK
MUTE
CTRL1
CTRL2
LDON
SCOR
SUBQ
SQCK
w w w
(XTAL 33.8MHz)
XRST
16
MCK
D-RAM
IC507
16-19•22-26
2-5•7-10•31-34•36-39
13-15•17-21 25•4•28•29•3•2•30 12-5•27•26•23
13 14 28 29
38 42
40
10-15•17•19•21•23-29
4
CD-DATA
3
CD-BCK
5
CD-LRCK
6
CD-C2P0
VIDEO/CD DECODER
IC505
HD-OUT
112
119
HD-IN
117
HCK
HRDY
113
114
HINT
HSEL
121
60
RESET
PGIO2/VSYNC/CSYNC
93
MECHA. CONTROL
IC502
31
DATA1O
SHARPNESS
34
32
DATA1I
DF LATCH
22
33
CLK1
20
CL680 INT
A7
65
21
CL680 HSEL
XIN
15
23
CL680 HRDY
24
680 RESET
XOUT
13
NT/PAL
45
BUS
93
3
DSP DATA
4
DSP LATCH
73
TEST LED
5
DSP CLK
1
SENSE
2
SENSE CLK
XRESET
12
10
DSP MUTE
2
11
CTRL1(L:DOUBLE)
I
C.CLK
29
2
I
C.DATA
30
27
CTRL2
28
LDON
18
SCOR
36
SUBQ DATA
37
SUBQ CLK
77
DEVICE RESET
x
a o
y
.
i
http://www.xiaoyu163.com
8
ROM
IC506
22
58-56•54•52-50•48•46-44
37
BUFFER
TRAP
Y-OUT
69
Q301
Q302,306,307
BUFFER
75
C-OUT
Q303,304
110
DA-DATA
DA-LRCK 108
DA-BCK 111
VCK-IN 106
DA-XCLK 86
Q
Q
3
7
6
3
DATA0
CLK1
X501
27MHz
6
10MHz
384FS
NTSC
8
S501
768FS
12
SYSTEM
AUTO
SELECT
+5V
PAL
D502
u 1 6 3
.
20
20
http://www.xiaoyu163.com
2
4
9
9
8
OUTPUT AMP
IC401
MIX AMP
MUTE
5
7
Q308,310
Q454
MUTE
3
1
Q453
DIGITAL FILTER & D/A CONVERTER
IC509
1
5
1
5
0
8
9
2
4
IC101
18
14
3
D/A
PLM
19
CONV
11
R-CH
17
9
1
CLOCK
8
X503
MODE
DIVIDER
27MHz
7
24
CT503
10
4
20
21
VIDEO
FREQUENCY
RSTB
LEVEL SHIFT
IC504
3
11
1
3.3V REG
D5V
+3.3V
m
Q531
c o
2
9
9
J302
VIDEO OUT
J301
S VIDEO
4
OUT
3
2
1
AMP
9
8
2
9
9
MAIN
C
1
L - CH
SECTION
(Page 22)
XRST
MAIN
D
I
2
C.CLK
SECTION
2
I
C.DATA
(Page 22)
• R CH is omitted
• SIGNAL PATH
: CD
: VIDEO
: Y
: CHROMA
Advertisement
Table of Contents
