Pin No.Pin NameI/ODescription
32RF_IIInput terminal by capacity combination of RF summing amplifier.
33RF_OOOutput terminal of RF summing amplifier. Checkpoint of Eye pattern.
Anti-reverse input terminal for RF summing amplifier.
34RF_MIThe gain of RF amplifier is decided by the connection resistance between RF_M and
RFO terminals.
35RFTCIThis is a pin where the selection time constant is externally connected to control the
RF level.
36LDOAPC amplifier output terminal.
37PDIAPC amplifier input terminal.
RFI-V amplifier inverted input pin.
38, 39PD1, PD2IThese pins are connected to the A+C and B+C pins of the optical pickup, receiving by
currents input.
40FEBIASI/OBias adjustment pin of the focus error amplifier.
F and EIV amplifier inverted input pins.
41, 42F, EIThese pins are connected to the F and E of the optical pickup, receiving by current
input.
Gain adjustment pin of the I-V amplifier E. (When not in use of BAL automatic
43EINadjustment)
44VEENGND connection pin.
45TEOOOutput terminal for tacking-error amplifier. Output E-F signal.
46LPFIIBAL adjustment comparator input pin. (Input through LPF from TEO)
47TEIIInput terminal for tracking error.
48ATSCIWindow-comparator input terminal for detecting ATSC.
49TZCIInput terminal for tracking-zero cross comparator.
50TDFCTICapacitor connection pin for the time constant used when there is defect.
51VCOOutput terminal for DC voltage reduced to half of VCC+VEE.
52FZCIInput terminal for focus-zero cross comparator.
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ACEC
