Akai CD-22 - Page 25

PIN NO.
SYMBOL
I/O
DESCRIPTION
10
A.VCC
+ 5V
11
TAO O
Tracking drive output.
12 TAG I
Tracking AMP. Inverting input.
13 SL@
I
Slide motor non-inverting input
14 SLO O
Slide motor drive output.
15
SLG
I
Slide AMP. inverting input.
16 SSTOP
I Not use (Holded "H" level).
17 FSET
I Focus, Tracking compensation and CLV. LPF set up.
18
SENS
O FZC. AS. TZC. SSTOP and BUSY output.
19 A. VEE
-5V.
20
C.OUT
O
Track count signal output.
21 DIRC Not used
22
RST I
RESET Input.
23
DATA
I
Data signal input from CPU.
24
LT
I
Lutch signal input from CPU.
25 CLK
I
Clock signal input from CPU.
26
D.GND
GND (OV).
27
BW
I
Connect condenser for Loop filter.
28
PDI
I
PDO signal from IC3 CXD1135Q (Pin 11).
29
ISET
I
Focus search, Track jump and slide kick current input.
30 VCOF
I
Connect register for VCO frequency.
31
3.5V
+ 3.5V REG. output.
32 C864
8.64 MHz VCO output.
33
LOCK
I
LOCK signal from IC3 CXDl 135Q (Pin 7)
34
MDP
I
MDP signal from IC3 CXDl 135Q (Pin 3)
35
MON
I
MON signal from IC3 CXD1135Q (Pin 2)
36
FSW
I
Connect condenser for CLV servo error signal LPF.
37
DVcc
+ 5V
38
SPDL 0
I
Spindle drive AMP. inverting input.
39 SPDLO
I
Spindle drive output.
40 WDCK
I
Auto sequence clock signal input (88.2 kHz)
41 FOK
I
Focus OK signal input.
42 MIRR
I
MIRR signal input.
43 DVEE
-5V
44 DFCT
I
Defect signal input "H" active.
45
TE
I
Tracking error signal input.
46 TZC
I
Tracking zero cross comparator input.
47
ATSC
I
ATSC detect window comparator input.
48 FE
I
Focus error signal input.
3