CXA2542AQ
Pin Description
Pin
I/O
I
Symbol
No.
Equivalent circuit
Description
1
2
FEI
Focus error input.
147
1
2
100k
147
Connects the capacitor for defect
time constant.
3µ
FDFCT
I
I
Ground this pin through a capacitor
for cutting the focus servo high-
frequency gain.
68k
3
4
FGD
147
3
130k
4µ
40k
330k
External time constant setting pin
for boosting the focus servo low-
frequency.
4
I
FLB
470k
FE_O
TA_O
SL_O
5
O
O
O
Focus drive output.
Tracking drive output.
Sled drive output.
5
12
15
12
15
250µ
90k
147
6
FE_M
I
6
Focus amplifier inverted input.
50k
2µ
External time constant setting pin for
generating the focus search
waveform.
147
SRCH
7
I
7
20k
11µ
50k
– 3 –
SONY [ SONY CORPORATION ]
