Pioneer PD-M423 Panduan Servis - Halaman 27

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Halaman Cetak
Pioneer PD-M423 Panduan Servis
PD-M423, PD-M403
mw CXD2517Q
(I1C301)
EFM Demodulator IC
@ Pin Arrangement (Top view)
CxD2517Q
@ Pin Functions
Focus OK input pin. Used for SENS output and servo auto sequence.
ON/OFF control output for spindle motor.
Spindle motor servo control.
Spindle motor servo control.
High output GFS is sampled at 460 Hz and that is High;
Low output when GFS is sampled 8 times and that is Low.
Test pin, normally GND.
7
FILO
Analog | Filter output for master PLL .(slave=digital PLL)
Master PLL filter input.
Master PLL charge pump output.
Analog GND
Master VCO control voltage input.
Analog power supply. (+5V)
EFM signal input.
Asymmetry circuit constant current input.
Asymmetry comparator voltage input.
EFM full-swing output. (Low=Vss, High=Vpp)
"L": Asymmetry circuit OFF, "H": Asymmetry circuit ON.
D/A interface. Word clock f=2 Fs.
D/A interface. LR clock F=FS.
D/A interface. Serial data . (2's COMP, MSB fast)
D/A interface. Bit clock.
GTOP output.
XUGF output.
XPLCK output.
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