IC DESCRIPTION
IC, LC78622NE
Pin No.Pin NameI/ODescription
1DEFIIDefect detection signal (DEF) input.
2TAIITest input. A pull-down resistor is incorporated. (For PLL) (Connected to 0V)
3PDOOPhase comparison output to control the external VCO. (For PLL)
4VVSS�Ground of the built-in VCO. Normally, 0V. (For PLL)
5ISETIFor the connection of a resistor which adjusts the PDO output current. (For PLL)
6VVDD�Power supply of the built-in VCO. (For PLL)
7FRIAdjusts the VCO frequency range. (For PLL)
8VSS�Ground of digital circuits. Normally, 0V.
9EFMOOSlice level control EFM signal output.
10EFMINISlice level control EFM signal input.
11T2ITest input. A pull-down resistor is incorporated. (Connected to 0V)
12CLV+
ODisc motor control tri-state output.
13CLV-
Output to monitor the automatic switching between the rough servo control and phase servo
14V/PO
control. "H": Rough servo, "L": Phase servo.
15HFLITrack detection signal input. Schmitt trigger input.
16TESITrack error signal input. Schmitt trigger input.
17TOFFOTracking OFF output.
18TGLOTracking gain switching output. "L" raises the gain.
19JP+
OTrack jump control tri-state output.
20JP-
21PCKOMonitors clock signal for EFM data playback. 4.3218MHz when the phase is locked. (Not used)
Sync signal detection output. Goes "H" when the sync signal detected from the EFM
22FSEQO
signal matches the sync signal generated internally. (Not used)
23VDD�Power supply of digital circuits.
24SL+
OSerial data command sled signal output terminal from microprocessor.
25SL�
26NC�Not connected.
27PU INICD pickup inside limit switch.
28RWORead / Write signal.
29EMPHODe-emphasis monitor. "H": when playing a de-emphasis disc. (Not used)
30C2FOC2 flag output. (Not used)
31DOUTOOutput a digital OUT signal. (EIAJ format) (Not used)
32T3
ITest input. (Connected to 0V).
33T4
34NC�Not connected.
35MUTELOLeft channel 1-bit D/A converter muting output. (Not used)
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ACEC
