CXA1992BR
Pin
No.
I/O
Symbol
ISET
Equivalent circuit
Description
Connect an external capacitance to
set the current which determines
the Focus search, Track jump, and
Sled kick heights.
147
17
I
17
50µ
I
VCC
18
VCC
18
Positive power supply.
The sled overrun prevention circuit
operates when this pin is Low.
(no pull-up resistance)
I
I
I
19
20
22
LOCK
CLK
20µ
19
147
1k
Serial data transfer clock input from
CPU. (no pull-up resistance)
20
22
Serial data input from CPU.
(no pull-up resistance)
DATA
Latch input from CPU.
(no pull-up resistance)
XLT
I
I
21
23
20µ
147 2k
5p
21
23
Reset input; resets at Low.
(no pull-up resistance)
XRST
O
O
24
25
C. OUT
SENS1
Track number count signal output.
20k
Outputs FZC, DFCT1, TZC, BALH,
TGH, FOH, ATSC, and others
according to the command from CPU.
24
147
25
26
Outputs DFCT2, MIRR, BALL, TGL,
FOL, and others according to the
command from the CPU.
100k
26
SENS2
O
20k
147
40k
O
27
Focus OK comparator output.
27
FOK
100k
– 5 –
SONY [ SONY CORPORATION ]
