25 ECS O Turntable motor drive signal output
(Servo error signal)
26 KICK - Kick pulse output (Not used, open)
27 TRD O Tracking drive signal output
28 FOD O Focus drive signal output
29 VREF I D/A drive output normal voltage input
30 FBAL O Focus balance adj. output
31 TBAL O Tracking balance adj. output
32 FE I Focus error signal input
33 TE I Tracking error signal input
34 RFENV I RF envelope signal input
35 VDET I Oscillator detect signal input (H: detect)
36 OFT I Off track signal input (H: Off track)
37 TRCRS I Track cross signal input
38 /RFDET I RF detect signal input (L: detect)
39 BDO I Dropout detection signal input (H: dropout)
40 LDON O Laser power control signal output (H: ON)
41 PLLF2 - PLL loop filter terminal (Not used, open)
42 DSLF2 I/O DSL loop filter terminal
43 WVEL - Double velocity status signal output
(Not used, open)
44 ARF I RF signal input
45 IREF I Reference current input
46 DRF I DSL bias terminal
47 DSLF I/O DSL loop filter terminal
48 PLLF I/O PLL loop filter terminal
49 VCOF - VCO loop filter terminal
(Not used, connected to GND)
50 AVDD2 I Power supply terminal
51 AVSS2 - GND terminal
52 EFM - EFM signal (Not used, open)
53 PCK - PLL extract clock (Not used, open)
54 VCOF2 - VCO loop filter terminal
(Not used, connected to GND)
55 SUBC - Sub-code serial output clock
(Not used, open)
56 SBCK - Sub-code serial input data
(Not used, connected to GND)
57 VSS - GND terminal
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