CXA1992BR
Pin Description
Pin
I/O
O
Symbol
No.
Equivalent circuit
Description
10µ
10µ
25p
Focus error amplifier output.
Connected internally to the window
comparator input for bias
adjustment.
147
1
FEO
1
174k
300µ
2
3
FEI
I
I
Focus error input.
147
2
3
100k
147
Capacitor connection pin for defect
time constant.
3µ
FDFCT
Ground this pin through a capacitor
for cutting the focus servo high-
frequency gain.
68k
147
4
5
FGD
I
I
4
130k
4µ
40k
330k
470k
External time constant setting pin
for boosting the focus servo low-
frequency.
5
FLB
FE_O
TA_O
SL_O
6
O
O
O
Focus drive output.
Tracking drive output.
Sled drive output.
6
13
16
13
16
250µ
90k
50k
147
7
7
FE_M
I
Focus amplifier inverted input.
2µ
– 3 –
SONY [ SONY CORPORATION ]
