Pin No. Mark I/O Function
31 TBAL O Tracking Balance
Adjustment Output
32 FE I Focus Error Signal
Input (Analog Input)
33 TE I Tracking Error Signal
Input (Analog Input)
34 RFENV I RF Envelope Signal
Input
35 VDET I Vibration Detection
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 Detection Signal
Input
(“L”: Detect)
39 BDO I Dropout Signal Input
(“H”: Dropout)
40 LDON O Laser on Signal Output
(“H”: ON)
41 PLLF2 I/O PLL Loop Filter
Characteristic
Switching Terminal
42 TOFS/
DSLF2
O Tracking Offset
Alignment Output/DSL
Balance Output (DA
Output)
43 WVEL O Double Speed Status
Signal Output
(“H”:DS)
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
48 PLLF I/O PLL Loop Filter
49 VCOF I/O VCO Loop Filter
Terminal
50 AVDD2 I Power Supply Input
(For Analog Circuit)
51 AVSS2 I GND (For Analog
Circuit)
52 EFM O EFM Signal Output (Not
Used, Open)
49