Aiwa RC-AAT15, Руководство по обслуживанию

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16 IN/SW I Microcomputer extended interface (input B). (CD pickup inside limit switch.)
17 XLON O Microcomputer extended interface (output).
18 FOK I Focus OK input. Used for SENS output and the servo auto sequencer.
19 VDD1 – Power supply (+5V).
20 VSS1 – GND.
21 MDP O Spindle motor servo control.
22 PWMI I Spindle motor external control input. (Not used)
23 TEST I TEST pin. (Connected to GND)
24 TES1 I TEST pin. (Connected to GND)
25 VPCO O Charge pump output for the wide-band EFM PLL. (Connected to GND)
26 VCKI I VCO2 oscillation input for the wide-band EFM PLL.
27 V16M O VCO2 oscillation output for the wide-band EFM PLL.
28 VCTL I VCO2 control voltage input for the wide-band EFM PLL. (Connected to GND)
29 PCO O Master PLL charge pump output.
30 FILO O Master PLL (slave = digital PLL) filter output.
31 FILI I Master PLL filter input.
32 AVSS – Analog GND.
33 CLTV I Master VCO control voltage input.
34 AVDD – Analog power supply (+5V).
35 RF I EFM signal input.
36 BIAS I Constant current input of the asymmetry circuit.
37 ASYI I Asymmetry comparator voltage input.
38 ASYO O EFM full swing output. "L" = VSS, "H" = VDD.
39 LRCK O D/A interface. LR clock output f = Fs.
40 LRCKI I LR clock input.
41 PCMD O D/A interface. Serial data output (two's complement, MSB first).
42 PCMDI I D/A interface. Serial data input (two's complement, MSB first).
43 BCK O D/A interface. Bit clock output.
44 BCKI I D/A interface. Bit clock input.
45 VSS2 – GND.
46 VDD2 – Power supply (+5V).
47 XUGF O XUGF output. Switched to MNT1 or RFCK output by a command. (Not used)
48 XPCK O XPCLK output. Switched to MNT0 output by a command. (Not used)
49 GFS O GFS output. Switched to MNT3 or XRAOF output by a command. (Not used)
50 C2PO O C2PO output. Switched to GTOP output by a command. (Not used)
51 XTSL I Crystal selector input. "L" = 16.9344MHz, "H" = 33.8688MHz. (Connected to VDD)
52 C4M O 4.2336MHz output. 1/4 frequency divided VCKI output in CAV-W mode. (Not used)
53 DOUT O Digital out output.
54 EMPH O
Outputs a high signal when the playback disc has emphasis, and a low signal when there is no
emphasis.
55 EMPHI I Inputs a high signal when de-emphasis is on, and a low signal when de-emphasis is off.
Pin No. Pin Name I/O Description
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