Aiwa CSD-A240 Bedienungsanleitung PDF herunterladen (Seite 20)

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1 DEFI I Defect detection signal (DEF) input. ("L" is applied when not used.)

2 TAI I For PLL/Test input. (Connected to 0V)

3 PDO O Phase comparison output to control the external VCO.

4 VVSS – Ground of the built-in VCO. Normally 0V.

5 ISET I For the connection of a resistor which adjusts the PDO output current.

6 VVDD – Power supply of the built-in VCO.

7 FR I Adjusts the VCO frequency range.

8 VSS – Ground of digital circuits. Normally 0V.

9 EFMO O For slice level control/EFM signal output.

10 EFMIN I EFM signal input.

11 T2 I Test input. A pull-down resistor is incorporated. (Connected to 0V)

12 CLV+

O Disc motor control tri-state output.

13 CLV-

14 V/P O

Output to monitor the automatic switching between the rough servo control and phase servo

control. "H" : Rough servo, "L": Phase servo.

15 HFL I Track detection signal input. Schmitt trigger input.

16 TES I Track error signal input. Schmitt trigger input.

17 TOFF O Tracking off output.

18 TGL O Tracking gain switching output. "L" raises the gain.

19 JP+

O Track jump control tri-state output.

20 JP-

21 PCK O

Monitors the clock signal for EFM data playback. 4.3218MHz when the phase is locked.

(Not used)

22 FSEQ O

Sync signal detection output. Goes "H" when the sync signal detected from the EFM

signal matches the sync signal generated internally. (Not used)

23 VDD – Power supply of digital circuits.

24 SL+ O Controlled by serial data command issued by the microprocessor.

25 SL– O Controlled by serial data command issued by the microprocessor.

26 NC – Not connected.

27 PU IN I CD pickup inside limit switch.

28 RW O CD-RW disc select control.

29 EMPH O Deemphasis monitor. "H": when playing a deemphasis disc. (Not used)

30 C2F O C2 flag output. (Not used)

31 DOUT O Output a digital OUT signal. (EIAJ format) (Not used)

32 T3

I Test input. (Connected to 0V)

33 T4

34 NC – Not connected.

35 MUTEL O Lch 1-bit DAC/Lch muting output. (Not used)

36 LVDD – Lch power supply.

37 LCHO O Lch output.

38 LVSS – Lch ground. Normally 0V.

Description

Pin No.

Pin Name I/O

IC DESCRIPTION

IC, LC78622NE

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 36 37

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