CXA1782CQ/CR
Pin
No.
Symbol
I/O
Equivalent circuit
Description
32k
164k
37
FE_BIAS
I
37
25p
8µ
Bias adjustment of focus error
amplifier.
12p
260k
38
39
F
E
I
I
147
38
39
10µ
513
F I-V and E I-V amplifier inverted
input.
Connect these pins to photo diodes
F and E.
6.8k 102k 57k
260k
28k
40
EI
—
40
20.3k
I-V amplifier E gain adjustment.
(When not using automatic balance
adjustment)
147
42
TEO
O
42
12k 23k 11k
150k
10k
4.8k
Tracking error amplifier output.
E-F signal is output.
150k
147
43
LPFI
I
43
Comparator input for balance
adjustment.
(Input from TEO through LPF)
–7–