JP2006040433A5 - - Google Patents

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Publication number
JP2006040433A5
JP2006040433A5 JP2004220121A JP2004220121A JP2006040433A5 JP 2006040433 A5 JP2006040433 A5 JP 2006040433A5 JP 2004220121 A JP2004220121 A JP 2004220121A JP 2004220121 A JP2004220121 A JP 2004220121A JP 2006040433 A5 JP2006040433 A5 JP 2006040433A5
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Japan
Prior art keywords
recording medium
reproducing apparatus
medium reproducing
abnormality
value
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Pending
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JP2004220121A
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Japanese (ja)
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JP2006040433A (en
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Priority to JP2004220121A priority Critical patent/JP2006040433A/en
Priority claimed from JP2004220121A external-priority patent/JP2006040433A/en
Publication of JP2006040433A publication Critical patent/JP2006040433A/en
Publication of JP2006040433A5 publication Critical patent/JP2006040433A5/ja
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Claims (7)

記録媒体から情報を読み取る光ピックアップを有する記録媒体再生装置において、
前記記録媒体再生装置の動作状態を示す信号の正常値を記憶する記憶手段と、
前記記録媒体再生装置の動作状態を示す信号を測定する測定手段と、
前記正常値を測定可能な標準メディアが装着された時、前記記憶手段に記憶された正常値と、前記測定手段により測定された動作状態を示す信号とを比較する比較手段と、
前記比較手段の比較結果に基づいて前記記録媒体再生装置の異常を判別する判別手段と、を有し、
前記動作状態を示す信号は、情報読取り時のサーボ信号、前記光ピックアップのレーザ駆動電流値、前記記録媒体再生時のエラーレート、ＲＦ信号の振幅値及びジッタ量の少なくとも１つであることを特徴とする、記録媒体再生装置。 In a recording medium reproducing apparatus having an optical pickup for reading information from a recording medium,
Storage means for storing a normal value of a signal indicating an operation state of the recording medium reproducing device;
Measuring means for measuring a signal indicating an operating state of the recording medium reproducing device;
Comparing means for comparing a normal value stored in the storage means with a signal indicating an operation state measured by the measuring means when a standard medium capable of measuring the normal value is attached;
Discriminating means for discriminating an abnormality of the recording medium reproducing device based on the comparison result of the comparing means;
The signal indicating the operation state is at least one of a servo signal when reading information, a laser driving current value of the optical pickup, an error rate when reproducing the recording medium, an amplitude value of an RF signal, and a jitter amount. A recording medium playback device. 請求項１に記載の記録媒体再生装置において、さらに、前記判別手段からの情報を表示する表示部を備え、
前記表示部は、前記判別手段の判別結果を表示することを特徴とする記録媒体再生装置。 The recording medium reproducing apparatus according to claim 1, further comprising a display unit that displays information from the determination unit.
The recording medium reproducing apparatus, wherein the display unit displays a discrimination result of the discrimination means. 請求項２に記載の記録媒体再生装置において、前記表示部は前記判別結果の表示時に異常検出した測定値に関する情報を表示することを特徴とする記録媒体再生装置。   3. The recording medium reproducing apparatus according to claim 2, wherein the display unit displays information relating to a measured value that is abnormally detected when the determination result is displayed. 記録媒体再生装置に標準メディアを装着するステップと、
前記装着された標準メディアに関してその動作状態に関する信号として記録媒体からの情報読み取り時のサーボ信号、前記光ピックアップのレーザ駆動電流値、前記記録媒体再生時のエラーレート、前記光ピックアップからのＲＦ信号の振幅値およびジッタ量の少なくとも１個を測定するステップと、
前記測定された信号値を予め設定された正常値と比較して前記記録媒体再生装置の異常を判別するステップと、を備えることを特徴とする記録媒体再生装置の診断方法。 Attaching standard media to the recording medium playback device;
Servo signals at the time of reading information from the recording medium, laser drive current value of the optical pickup, error rate at the time of reproduction of the recording medium, RF signal from the optical pickup as signals relating to the operating state of the mounted standard medium Measuring at least one of an amplitude value and a jitter amount ;
And comparing the measured signal value with a preset normal value to determine an abnormality of the recording medium reproducing apparatus. 請求項４に記載の記録媒体再生装置の診断方法において、前記判別するステップで前記記録媒体再生装置に異常があると判別されるまで、記録媒体からの情報読み取り時のサーボ信号、前記光ピックアップのレーザ駆動電流値、前記エラーレート、前記光ピックアップからのＲＦ信号の振幅値およびジッタ量の測定を続けることを特徴とする記録媒体再生装置の診断方法。 5. The method for diagnosing a recording medium reproducing device according to claim 4, wherein a servo signal at the time of reading information from the recording medium, the optical pickup of the optical pickup until it is determined in the determining step that the recording medium reproducing device is abnormal . A method for diagnosing a recording medium reproducing apparatus, comprising continuously measuring a laser drive current value, the error rate, an amplitude value of an RF signal from the optical pickup, and a jitter amount . 請求項５に記載の記録媒体再生装置の診断方法において、前記判別するステップで前記記録媒体再生装置の異常が判別されない場合、前記記録媒体再生装置に異常が無いことを示すメッセージと共にユーザが使用する記録媒体を前記記録媒体再生装置に装着することを促すメッセージを表示するステップと、装着された前記ユーザが使用する記録媒体についてその動作状態に関する信号を測定するステップと、ユーザ側記録媒体について測定された信号値を予め設定された正常値と比較してユーザ側記録媒体の異常を判別するステップ、をさらに備えることを特徴とする記録媒体再生装置の診断方法。 In the diagnostic method of the recording medium reproducing apparatus according to claim 5, when an abnormality of the recording medium reproducing apparatus in the step of determination is not determined, the user can use with a message indicating that there is no abnormality in the recording medium reproducing apparatus displaying a message prompting the user to attach the recording medium to the recording medium reproducing apparatus, and measuring the signals relating to the operating state for a recording medium loaded the user uses, it is measured for the user side recording medium The method further comprises the step of comparing the received signal value with a preset normal value to determine an abnormality of the user-side recording medium . 請求項１に記載の記録媒体再生装置において、前記記録媒体再生装置に異常がないと判別された場合、通常の記録媒体の装着、案内を行うと共に、装着された記録媒体の動作状態を標準メディアと同等の方法で測定、比較して、前記記録媒体の異常を判別する記録媒体異常判別手段を備えることを特徴とする記録媒体再生装置。 2. The recording medium reproducing apparatus according to claim 1, wherein when it is determined that there is no abnormality in the recording medium reproducing apparatus, the normal recording medium is loaded and guided, and the operation state of the loaded recording medium is changed to a standard medium. and measurement in an equivalent way, in comparison, a recording medium reproducing apparatus comprising: a recording medium abnormality determining means for determining an abnormality of the recording medium.
JP2004220121A 2004-07-28 2004-07-28 Recording medium reproducing apparatus and diagnostic method of recording medium reproducing apparatus Pending JP2006040433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004220121A JP2006040433A (en) 2004-07-28 2004-07-28 Recording medium reproducing apparatus and diagnostic method of recording medium reproducing apparatus

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Application Number Priority Date Filing Date Title
JP2004220121A JP2006040433A (en) 2004-07-28 2004-07-28 Recording medium reproducing apparatus and diagnostic method of recording medium reproducing apparatus

Publications (2)

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JP2006040433A JP2006040433A (en) 2006-02-09
JP2006040433A5 true JP2006040433A5 (en) 2007-09-13

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JP5021516B2 (en) * 2008-02-15 2012-09-12 富士通テン株式会社 Reproduction apparatus test apparatus and reproduction apparatus test method
JP2014081978A (en) * 2012-10-17 2014-05-08 Pioneer Electronic Corp Inspection device and inspection method
JP5562474B2 (en) * 2013-06-05 2014-07-30 三菱電機株式会社 Video output device

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