• Waveforms |
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– BD Board – |
| – MAIN Board – |
1 IC101 ta (RFAC) (CD Play Mode) | 6 IC101 w; (SCOR) (CD Play Mode) | qa IC301 es (XTAL) |
| 5.2 |
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1.3 |
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| 13.4 ms | 100 ns |
2 IC101 rd (RFDC) (CD Play Mode) | 7 IC101 yj (XTAO) (CD Play Mode) | – DISPLAY Board – |
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| qs IC801 t; (OSCO) |
1.4 |
| 5.9 |
59 ns
3 IC101 el (FE) (CD Play Mode)
508 ns
approx. 200
4IC101 ra (TE) (CD Play Mode)
approx. 400
5IC101 wh (MDP) (CD Play Mode)
2.7V
7.5∝ s
5
2.3
•BD BOARD IC101 CXD2587Q
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER)
Pin No. | Pin Name | I/O |
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1 | SQSO | O | Subcode Q data output to the system controller (IC301) |
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2 | SQCK | I | Subcode Q data reading clock signal input from the system controller (IC301) | |||||
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3 | XRST | I | System reset signal input from the system controller (IC301) “L”: reset | |||||
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4 | SYSM | I | Analog line muting on/off control signal input terminal | “H”: line muting on | ||||
Not used (fixed at “L”) |
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5 | DATA | I | Command serial data input from the system controller (IC301) |
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6 | XLAT | I | Command latch pulse input from the system controller (IC301) |
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7 | CLOK | I | Command serial data transfer clock signal input from the system controller (IC301) | |||||
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8 | SENS | O | Internal status monitor output to the system controller (IC301) |
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9 | SCLK | I | SENSE serial data reading clock input from the system controller (IC301) | |||||
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10 | VDD | — | Power supply terminal (+5V) (digital system) |
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11 | ATSK | I/O | Input pin for | Not used (fixed at “L”) |
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12 | SPOA | I | Microcomputer escape interface input A terminal | Not used (fixed at | “L”) | |||
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13 | SPOB | I | Microcomputer escape interface input B terminal | Not used (fixed at | “L”) | |||
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14 | XLON | O | Microcomputer escape interface output terminal | Not used (open) |
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15 | WFCK | O | WFCK output terminal | Not used (open) |
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16 | XUGF | O | Not used (open) |
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17 | XPCK | O | Not used (open) |
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18 | GFS | O | Not used (open) |
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19 | C2PO | O | Not used (open) |
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20 | SCOR | O | Subcode sync (S0+S1) detection signal output to the system controller (IC301) | |||||
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21 | COUT | I/O | Numbers of track counted signal input/output terminal | Not used (open) | ||||
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22 | MIRR | I/O | Mirror signal input/output terminal | Not used (open) |
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23 | DFCT | I/O | Defect signal input/output terminal | Not used (open) |
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24 | FOK | I/O | Focus OK input/output terminal Not used (open) |
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25 | LOCK | I/O | GFS is sampled by 460 Hz “H” when GFS is “H” Not used (open) |
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26 | MDP | O | Spindle motor (M101) servo drive signal output to the AN48005B (IC150) | |||||
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27 | SSTP | I | Limit in detect switch (S101) input terminal |
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28 | SFDR | O | Sled servo drive PWM signal (+) output to the AN48005B (IC150) |
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29 | SRDR | O | Sled servo drive PWM signal |
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30 | TFDR | O | Tracking servo drive PWM signal (+) output to the AN48005B (IC150) | |||||
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31 | TRDR | O | Tracking servo drive PWM signal | |||||
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32 | FFDR | O | Focus servo drive PWM signal (+) output to the AN48005B (IC150) |
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33 | FRDR | O | Focus servo drive PWM signal |
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34 | VSS | — | Ground terminal (digital system) |
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35 | TEST | I | Input terminal for the test (fixed at “L”) |
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36 | TES1 | I | Input terminal for the test (fixed at “L”) |
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37 | XTSL | I | Input terminal for the system clock frequency setting | “L”: 45.1584 MHz, “H”: 22.5792 MHz | ||||
(fixed at “L” in this set) |
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38 | VC | I | Middle point voltage (+2.5V) input from the CXA2581N (IC131) |
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39 | FE | I | Focus error signal input from the CXA2581N (IC131) |
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40 | SE | I | Sled error signal input from the CXA2581N (IC131) |
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41 | TE | I | Tracking error signal input from the CXA2581N (IC131) |
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42 | CE | I | Command chip enable signal input from the CXA2581N (IC131) |
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