Pioneer PD-6050 Servicehandleiding - Pagina 29

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4.5 DEMODULATOR

The demodulator is composed primarily of LSI CXD1135Q;

it also includes a small amount of added-on circuits. Its

functions are:

Bit clock regeneration using the EFM-PLL circuit.

Demodulation of the EFM data.

Detection, protection and internal extension of the

frame sync signal.

Thorough error detection and correction.

Interpolation using averaging or previous value hold.

Demodulation of the sub-code and error detection for

sub-code Q.

CLV servo for the spindle motor.

8-bit tracking counter.

9. CPU interface using the serial bus.

10. Built-in 35th digital filter.

Fig. 4-22

Fig. 4-23