HCD-DX70
44
44
6-24. IC PIN FUNCTIONS
1
SOSQ
O
Sub-Q serial output.
2
SQCK
I
Clock input for SQSO read-out
3
XRST
I
System reset.
4
SYSM
I
Muting input.
5
DATA
I
Serial date input,supplied from CPU.
6
XLAT
I
Latch input,supplied from CPU.
7
CLOK
I
Serial date transfer clock input,supplied from CPU.
8
SENS
O
SENS output.
9
SCLK
I
SENS serial data read-out clock.
10
VDD
—
Power supply.
11
ATSK
I/O
Input pin for anti-shock (Ground)
12
SPOA
I
Ground.
13
SPOB
I
Ground.
14
XLON
O
Not used.
15
WFON
O
Not used.
16
XUGF
O
Not used.
17
XPCK
O
Not used.
18
GFS
O
Not used.
19
2SPO
O
Not used.
20
SCOR
O
Sub-code sync output.
21
COUT
I/O
Not used.
22
MIRR
I/O
Not used.
23
DFCT
I/O
Not used.
24
FOK
I/O
Not used.
25
LOCK
I/O
Not used.
26
MDP
O
Output to control spindle motor servo.
27
SSTP
I
Input signal to detect disc inner most trak.
28
SFDR
O
Sled drive output.
29
SRDR
O
Sled drive output.
30
TFDR
O
Tracking drive output.
31
TRDR
O
Tracking drive output.
32
FFDR
O
Focus drive output.
33
FRDR
O
Focus drive output.
34
VSS
—
Ground.
35
TEST
I
TEST pin connected normally ground.
36
TES1
I
TEST pin connected normally ground.
37
XTSL
I
X’tal selection circuit input.
38
VC
I
Center voltage input.
39
FE
I
FOCUS error signal input.
40
SE
I
Sled error signal input.
41
TE
I
Tracking error signal input.
42
CE
I
Center servo analog input.
43
RFDC
I
RF signal input.
44
ADIO
O
Not used.
45
AVSS0
—
Analog ground.
46
IGEN
I
Power supply pin operational amplifiers.
47
AVDDO
—
Analog power supply.
48
ASYO
O
EFM full swing output.
49
ASYI
I
Asymmetry comparator voltage input.
50
BIAS
I
Asymmetry circuit constant current input.
51
RFAC
I
EFM signal input.
52
AVSS3
—
Analog ground.
Function
Pin Name
Pin No.
I/O
• IC101 DIGITAL SIGNAL PROCESSOR (CXD3017Q) (BD Board)
53
CLTV
I
Control voltage input for master VCO.
54
FILO
O
Filter output for master PLL.
55
FILI
I
Filter input for master PLL.
56
PCO
O
Chage-pump output for master PLL.
57
AVDD3
—
Analog powr supply.
58
VSS
—
Ground.
59
VDD
—
Power supply.
60
DOUT
O
Not used.
61
LRCK
O
Not used.
62
PCMD
O
Not used.
63
BCK
O
Not used.
64
EMPH
O
Not used.
65
XVDD
—
Master clock power supply.
66
XTAI
I
X’tal oscillator circuit input.
67
XTAO
O
X’tal oscillator circuit output.
68
XVSS
—
Master clock ground.
69
AVDD1
—
Analog power supply.
70
AOUT1
O
Lch: Analog output.
71
AIN1
I
Lch: OPAMP input.
72
LOUT1
O
Lch: LINE output
73
AVSS1
—
Analog ground.
74
AVSS2
—
Analog ground.
75
LOUT2
O
Rch: LINE output.
76
AIN2
I
Rch: OPAMP input.
77
AOUT2
O
Rch: Analog output.
78
AVDD2
—
Analog power supply.
79
RMUT
O
Not used.
80
LMUT
O
Not used.
Function
Pin Name
Pin No.
I/O
Содержание HCD-DX70
Страница 28: ...HCD DX70 28 28 6 7 SCHEMATIC DIAGRAM MAIN 2 4 SECTION Page 24 Page 41 Page 29 Page 27 Page 30 ...
Страница 33: ...33 33 HCD DX70 6 13 SCHEMATIC DIAGRAM POWER AMP SECTION Page 43 Page 43 Page 30 Page 30 ...
Страница 37: ...37 37 HCD DX70 6 17 SCHEMATIC DIAGRAM SWITCH SECTION Page 35 Page 35 ...
Страница 39: ...39 39 HCD DX70 6 19 SCHEMATIC DIAGRAM LEAF SW SECTION E Page 30 4 4 ...
Страница 41: ...41 41 HCD DX70 6 21 SCHEMATIC DIAGRAMS DRIVER SECTION See page 50 for IC Block Diagrams IC B D B Page 28 2 4 ...
Страница 43: ...43 43 HCD DX70 6 23 SCHEMATIC DIAGRAM TRANS SECTION H Page 33 Page 33 ...