User Guide
I
EN.EclOClF
CXA1 372Q
Terminal Function
Terminal
No.
Symbol
yo
Terminal Function
Vc
Mid-Doint
voltaqe input terminal.
2
FGD In case of
reducing higher range
gain
of
focus servo, connect a capacitor between
this terminal
and terminal
number
(9).
3
FS3 Shitts
higher
range
gain
of focrrs servo
by FS3 ON/OFF.
4 FLB
Terminal
tor
erlernal
time constant
lo increase
lower range of focus servo.
5 FEO
o Foors drive oubut
o FE-
Reverse
inout terminal
for focus
amplifier.
7
SRCH
Terminal
for
erlernal
time constant to
make focus search
wavetorm.
I
TGU
Terminal
for
external
time constant to
shift
higher range
gain
of tracking.
9
TG2
Terminal
for
extemal
time constant to shift
higher
range
gain
of
tracking.
10 TAO
o Trackinq
drive output.
TA- Reverse
input terminal
for tracking amplifier.
l2 SL+
Non-reverse
input terminal
for
sled
amplifier.
13 sLo o Sled
drive outDut
14 sL- Reverse
input terminal
tor
sled
amplifier.
5
FSET
Terminal to
compensate
peak
in focus/tracking
phase.
7
ISET Delivers
a cunent to set the
height ot
focus
search,
track
jump,
and sled
kick.
18
SSTOP
Terminal
for limit switch ON/OFF
to detect disc
innermost circle.
19 DIBC
Terminal is used
at
the
time ot
1
track
iump.
A
47 kohm
pull
up
resistor is included.
20 LOCK
Reckless
drive
protection
circuit of sled; activales
at
"L"
. A 47k ohm
pull
up
resistor is included.
21
CLK Serial
data transfer.clock
input
from
CPU.
22 XLT
Latch
inpul from CPU.
23
DATA Serial
data
inout trom CPU.
24 XRST
Reset
inout terminal. Resets at
"L".
26 C.OUT
o
Terminal lo output signal
lor track
number count.
27 SENS
Terminalto
output
FZC, AS, TZC, SSTOP
by command
from CPU.
29 MIRR
Output
terminal
tor MIRR comparator.
30
DFCT
o
OutDut
terminal
for DEFEGT comparator.
31
ASY
I Input terminal
for auto-symmetric
control.
32
EFM
o
OuFut
terminal
for EFM comparator.
33
FOK
OuFut terminal
for focus
OK
(FOK)
comparator.
34 ccl
o DEFECT
bottom
hold output terminal.
35
cc2
I Input terminal
to input DEFECT
bonom
hold output by capacitance
combination.
37
CB
I Caoacilor connectino terminal
for
DEFECT bouom
hold.
38 CP
I MIRR hold capacilor
connecting terminal.
A non-reverse
input
terminal
for MIRR compaEtor.
39
htl
Input terminal
to input
RF summing amplifier
ouFut by
capacitance combination.
40
RFO Output
terminal
lor RF summing
amplifier.
Check
point
for
eye
pattem.
42 TZC
Tracking
zerocross compaEtor
input terminal.
43
IE Tracking
enor signal
input terminal.
44 TDFCT
Capacitor
connecting terminal
for time conslant
at the time of
defect.
45 ATSC
Input terminal
of ATSC detecting
window comparator.
46 FZC
lnout terminal of
focus zero-cross
@mparator.
47
FodJs enor signal
input terminal.
48
FDFCT Capacitor
connecting
terminal
for time
conslant at the time of
defect.
30










