AIWA 4ZG1VOS1NDSHM Repair Manual

IC, CXD2540Q
Pin No.Pin NameI/ODescription
1FOKIFocus OK input. Used for SENS output and the servo auto sequencer.
2FSWOSpindle motor output filter switching output.
3MONOSpindle motor on/off control output.
4MDPO
5MDSOSpindle motor servo control.
6LOCKOHigh, when sampled value of GFS at 460Hz is high.
Low, when sampled value of GFS at 460Hz is low by 8 times successively.
7NCNNot used.
8VCOOOAnalog EFM PLL oscillation circuit output.
9VCOIIAnalog EFM PLL oscillation circuit input. fLOCK=8.6436MHz.
10TESTITEST pin.
11PDOOAnalog EFM PLL charge pump output.
12VSSNGND.
13PWMIISpindle motor external control input.
14V16MOVCO2 oscillation output for the wide-band EFM PLL.
15VCTLIVCO2 control voltage input for the wide-band EFM PLL.
16VPCOOWide-band EFM PLL charge pump output.
17VCKIIVCO2 oscillation input for the wide-band EFM PLL.
18FILOOMultiplier PLL (slave=digital PLL) filter output.
19FILIIMultiplier PLL filter input.
20PCOOMultiplier PLL charge pump output.
21AVSSNAnalog GND.
22CLTVIMultiplier VCO1 control voltage input.
23AVDDNAnalog power supply (5V).
24RFIEFM signal input.
25BIASIConstant current input of the asymmetry circuit.
26ASYIIAsymmetry comparator voltage input.
27ASYOOEFM full-swing output.
28ASYEILow: asymmetry circuit off; high: asymmetry circuit on.
29NCNNot used.
30PSSLIAudio data output mode switching input. Low: serial output; high: parallel output.
31WDCKOD/A interface for 48-bit slot. Word clock f=2Fs.
32LRCKOD/A interface for 48-bit slot. LR clock f=Fs.
33VDDNPower supply (5V).
34DA16ODA16 (MSB) output when PSSL=1.
48-bit slot serial data (twoOs complement, MSB first) when PSSL=0.
35DA15ODA15 output when PSSL=1. 48-bit slot bit clock when PSSL=0.
DA14 output when PSSL=1.
36DA14O64-bit slot serial data (twoOs complement, LSB first) when PSSL=0.
37DA13ODA13 output when PSSL=1. 64-bit slot bit clock when PSSL=0.
38DA12ODA12 output when PSSL=1. 64-bit slot LR clock when PSSL=0.
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