Pin
No.
Mark I/O Function
1 RF- I RF summing amplifier
return input pin
2 LON O LOOP ON voltage output pin
3 BD I B+D input pin
4 AC I A+C input pin
5 TB I Tracking error bias input pin
6 FE+ I Focus bias input pin
7 VB O Bias amplifier output pin
8 GND - GND pin
9 E I E input pin
10 F I F input pin
11 LD O APC amplifier outpin
pin.Capacitor connection
pin for APC phase
compensation
12 PD I APC amplifier input pin
13 TE- I Tracking error I-V amplifier
return input pin
14 TE+ I R connection pin for
Tracking error I-V amplifier
gain adjustment
15 FE- I Focus error amplifier return
input pin
16 DPB O RF amplitude voltage
output pin
17 R/H - Capacitor connection pin
for lamp wave/loop off
18 SC - R connection pin for
scratch depth adjustment
19 TE O Tracking error output pin
20 FON I Focus on control pin
21 FOK O Focus OK comparator pin
22 FE O Focus error output pin
23 DEFECT O Defect signal output pin
24 MIRR O Mirror signal output pin
25 VCC - Power supply pin
26 EFM O EFM signal output pin
27 ASY I Auto asymmetry control
input pin
28 BLH - Capacitor connection pin
for bottom long hold
29 PLH - Capacitor connection pin
for peak long hold
30 CAGC - Capacitor connection pin